WO2022237381A1 - 保存会议记录的方法、终端及服务器 - Google Patents
保存会议记录的方法、终端及服务器 Download PDFInfo
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Definitions
- This application deals with speech recognition.
- An embodiment of the present application provides a terminal, including a memory and a controller, the memory is configured to store data and computer instructions, and the controller is configured to run computer instructions so that the terminal: in response to the start of a video conference, collects external Sound, wherein the external sound refers to the sound generated around the terminal; sending the voice stream corresponding to the external sound to the server; and/or receiving the text content sent by the server; controlling the display to display the text content; And/or, sending a request to view the meeting minutes to the server; receiving the meeting minutes.
- the embodiment of the present application also provides a method for saving conference records, which is applied to the terminal, including: collecting external sounds in response to the start of the video conference, where the external sounds refer to sounds generated around the terminal; The voice stream corresponding to the external sound is sent to the server; and/or, receiving the text content sent by the server; controlling the display to display the text content; and/or, sending a request to view the meeting record to the server; receiving the meeting record.
- FIG. 1 shows usage scenarios of a display device according to some embodiments
- FIG. 2 shows a hardware configuration block diagram of a control device 100 according to some embodiments
- FIG. 3 shows a block diagram of a hardware configuration of a display device 200 according to some embodiments
- FIG. 4 shows a software configuration diagram in the display device 200 according to some embodiments
- Fig. 5 shows a signaling diagram of a method for saving speech content according to some embodiments
- FIG. 6 shows a flow chart of a method for saving speech content according to some embodiments
- Figure 7 shows a schematic diagram of a multi-person call scenario according to some embodiments.
- FIG. 8 shows a schematic flow diagram of displaying a multi-person call interface according to some embodiments.
- Figure 9 shows a schematic diagram of a multi-person conversation interface according to some embodiments.
- Figure 10 shows a schematic flowchart of setting an initial sequence according to some embodiments
- Fig. 11 shows a schematic flowchart of automatically adjusting the display order according to some embodiments
- FIG. 12 shows a schematic flowchart of a method for adjusting video display order according to some embodiments
- Figure 13 shows a schematic diagram of moving window positions according to some embodiments
- Figure 14 shows a schematic flowchart of generating a custom sequence according to some embodiments
- Figure 15 shows a schematic diagram of click window layout options according to some embodiments
- Figure 16 shows a schematic diagram of a window layout interface according to some embodiments.
- Figure 17 shows a schematic diagram of a window setting interface according to some embodiments.
- Figure 18 shows a schematic diagram of a user list interface according to some embodiments.
- Figure 19 shows a schematic diagram of an adjusted multi-person call interface according to some embodiments.
- Figure 20 shows a schematic flow diagram of an alternative call data flow according to some embodiments.
- FIG. 21 shows a timing diagram of a video conference scenario according to some embodiments.
- FIG. 22 shows a schematic flowchart of a subtitle generation method according to some embodiments
- Figure 23 shows a schematic diagram of an interface of a target image according to some embodiments.
- Figure 24 shows a schematic diagram of a subtitle display interface according to some embodiments.
- Figure 25 shows a schematic flowchart of a method for setting a subtitle position according to some embodiments
- Figure 26 shows a schematic diagram of an interface of a target image according to some embodiments.
- Figure 27 shows a schematic diagram of a subtitle display interface according to some embodiments.
- Figure 28 shows a schematic diagram of a subtitle display interface according to some embodiments.
- FIG. 29 shows a schematic diagram of a sequence of starting a shared desktop according to some embodiments.
- FIG. 30 shows a schematic diagram of the timing of generating and displaying subtitles according to some embodiments.
- FIG. 31 shows a schematic diagram of the timing of generating and displaying subtitles according to some embodiments.
- Figure 32 shows a schematic diagram of a scene of a video conference according to some embodiments.
- Fig. 33 shows a schematic flowchart of a method for generating meeting minutes according to some embodiments
- FIG. 34 shows a partial sequence diagram of a method for generating meeting minutes according to some embodiments
- Figure 35 shows a schematic interface diagram of a meeting application according to some embodiments.
- FIG. 36 shows a partial sequence diagram of a method for generating meeting minutes according to some embodiments
- Fig. 37 shows a schematic interface diagram of a meeting application according to some embodiments.
- FIG. 38 shows a partial sequence diagram of a method for generating meeting minutes according to some embodiments.
- Figure 39 shows a schematic interface diagram of a meeting application according to some embodiments.
- FIG. 40 shows a partial sequence diagram of a method for generating meeting minutes according to some embodiments.
- Figure 41 shows a schematic interface diagram of a meeting application according to some embodiments.
- FIG. 42 shows a partial sequence diagram of a method for generating meeting minutes according to some embodiments.
- Fig. 43 shows a schematic diagram of an interface of meeting minutes according to some embodiments.
- Fig. 1 is a schematic diagram of a usage scenario of a display device according to an embodiment.
- the display device 200 also performs data communication with the server 400 , and the user can operate the display device 200 through the smart device 300 or the control device 100 .
- control device 100 may be a remote controller, and the communication between the remote controller and the display device includes at least one of infrared protocol communication, Bluetooth protocol communication, and other short-distance communication methods, and the display device is controlled wirelessly or wiredly.
- Device 200 The user can control the display device 200 by inputting at least one user instruction such as buttons on the remote control, voice input, and control panel input.
- the smart device 300 may include any one of a mobile terminal, a tablet computer, a computer, a notebook computer, an AR/VR device, and the like.
- the smart device 300 can also be used to control the display device 200 .
- the display device 200 is controlled using an application program running on the smart device.
- the smart device 300 and the display device may also be used for data communication.
- the display device may not use the aforementioned smart device or control device to receive instructions, but may receive user control through touch or gesture.
- the display device 200 can also be controlled in a manner other than the control device 100 and the smart device 300.
- the module for obtaining voice commands configured inside the display device 200 can directly receive the user's voice command control
- the user's voice command control can also be received through the voice control device provided outside the display device 200 .
- the display device 200 also performs data communication with the server 400 .
- Fig. 2 exemplarily shows a configuration block diagram of the control device 100 according to an exemplary embodiment.
- the control device 100 includes a controller 110 , a communication interface 130 , a user input/output interface 140 , a memory, and a power supply.
- the control device 100 can receive the user's input operation instruction, and convert the operation instruction into an instruction that the display device 200 can recognize and respond to, and play an intermediary role between the user and the display device 200 .
- the communication interface 130 is used for communicating with the outside, and includes at least one of a WIFI chip, a Bluetooth module, NFC or an alternative module.
- the user input/output interface 140 includes at least one of a microphone, a touch pad, a sensor, a button or an alternative module.
- FIG. 3 shows a block diagram of a hardware configuration of a display device 200 according to an exemplary embodiment.
- the display device 200 includes a tuner and demodulator 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a display 260, an audio output interface 270, a memory, a power supply, and a user interface. at least one.
- the controller includes a CPU, a video processor, an audio processor, a graphics processor, a RAM, a ROM, a first interface to an nth interface for input/output.
- the display 260 includes a display screen component for presenting images, and a drive component for driving image display, for receiving image signals output from the controller, and displaying video content, image content, and menu manipulation interface. Components and user manipulation of the UI interface, etc.
- the display 260 may be at least one of a liquid crystal display, an OLED display, and a projection display, and may also be a projection device and a projection screen.
- the tuner-demodulator 210 receives broadcast TV signals through wired or wireless reception, and demodulates audio and video signals, such as EPG data signals, from multiple wireless or cable broadcast TV signals.
- the communicator 220 is a component for communicating with external devices or servers according to various communication protocol types.
- the communicator may include at least one of a Wifi module, a Bluetooth module, a wired Ethernet module and other network communication protocol chips or near field communication protocol chips, and an infrared receiver.
- the display device 200 can establish transmission and reception of control signals and data signals with the control device 100 or the server 400 through the communicator 220 .
- the detector 230 is used to collect signals of the external environment or interaction with the outside.
- the detector 230 includes a light receiver, which is a sensor for collecting ambient light intensity; or, the detector 230 includes an image collector, such as a camera, which can be used to collect external environmental scenes, user attributes or user interaction gestures, or , the detector 230 includes a sound collector, such as a microphone, for receiving external sound.
- the external device interface 240 may include, but is not limited to, the following: High Definition Multimedia Interface Interface (HDMI), Analog or Data High Definition Component Input Interface (Component), Composite Video Input Interface (CVBS), USB Input Interface (USB) , RGB port, etc. any one or more interfaces. It may also be a composite input/output interface formed by the above-mentioned multiple interfaces.
- HDMI High Definition Multimedia Interface Interface
- Component Composite Video Input Interface
- CVBS Composite Video Input Interface
- USB USB Input Interface
- RGB port etc. any one or more interfaces. It may also be a composite input/output interface formed by the above-mentioned multiple interfaces.
- the controller 250 and the tuner-demodulator 210 may be located in different split devices, that is, the tuner-demodulator 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box Wait.
- the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored in the memory.
- the controller 250 controls the overall operations of the display device 200 . For example, in response to receiving a user command for selecting a UI object to be displayed on the display 260, the controller 250 may perform an operation related to the object selected by the user command.
- the controller includes a central processing unit (Central Processing Unit, CPU), a video processor, an audio processor, a graphics processing unit (Graphics Processing Unit, GPU), RAM Random Access Memory, RAM), ROM (Read- Only Memory, ROM), at least one of the first interface to the nth interface for input/output, a communication bus (Bus), and the like.
- CPU Central Processing Unit
- video processor video processor
- audio processor audio processor
- graphics processing unit Graphics Processing Unit, GPU
- RAM Random Access Memory
- ROM Read- Only Memory
- CPU processor It is used to execute the operating system and application program instructions stored in the memory, and to execute various application programs, data and content according to various interactive instructions received from the outside, so as to finally display and play various audio and video content.
- a CPU processor may include multiple processors. For example, including a main processor and one or more sub-processors.
- the user input interface 280 is an interface that can be used to receive control input (such as: physical buttons on the display device body, or others).
- the system of the display device may include a kernel (Kernel), a command parser (shell), a file system and application programs.
- Kernel kernel
- shell command parser
- file system file system
- application programs application programs
- the system is divided into four layers, from top to bottom are respectively the application (Applications) layer (abbreviated as “application layer”), application framework (Application Framework) layer (abbreviated as “framework layer”) "), Android runtime (Android runtime) and system library layer (referred to as “system runtime layer”), and the kernel layer.
- application layer application layer
- application framework Application Framework
- Android runtime Android runtime
- system library layer system library layer
- meeting records need to be stored in many occasions for subsequent use.
- speech occasions such as video conferences, local meetings, online education, offline training, and press conferences
- corresponding meeting records need to be stored.
- the meeting minutes are usually recorded manually and then stored.
- manual recording of meeting minutes has certain disadvantages. On the one hand, it is a waste of manpower, and on the other hand, there may be errors in the recorded content. Therefore, how to ensure the accuracy and high efficiency of the meeting minutes has become an urgent problem to be solved by those skilled in the art.
- the terminal in the embodiment of the present application may be a display device, or any other computer, mobile phone, recording pen and other devices capable of receiving audio.
- the meeting minutes include at least one statement.
- the source of the speech content may be different.
- the speech content may be obtained through a terminal.
- the speaker directly faces several audiences.
- the terminal's radio function can be turned on, and the terminal receives The voice of the speaker, at this time, the content of the speech in the conference record can be obtained through this terminal.
- the speech content in the conference record may be content obtained through multiple terminals. For example, in a video conference, multiple people speak through different terminals, and different terminals receive the voices of corresponding users. The content of speeches in the meeting minutes is obtained through multiple terminals.
- the embodiment of the present application provides a method for saving conference records, which can save the content acquired by multiple terminals as conference records. As shown in Figure 5, the method includes:
- the terminal also referred to as the first terminal collects external sounds in response to the start of the video conference, where the external sounds refer to sounds generated around the terminal; and sends the voice stream corresponding to the external sounds to the server.
- the voice stream is continuously sent to the server.
- the terminal may have a built-in or external sound collector, and the sound collector may collect sound.
- the terminal in response to the start of the video conference, starts to collect sound after receiving an instruction generated by the user to collect external sound through operations. It can be understood that, in some cases, the terminal can determine whether to collect external sound through user settings.
- the video conference starts, if the user does not want to speak in the video conference, he can turn off the function of collecting external sound through setting at this time.
- you want to speak in a video conference enable the function of collecting external sound, so that the terminal can collect the sound generated around the terminal in real time.
- the server receives the voice stream sent by the terminal, and sends the voice stream to the opposite end (also referred to as the second terminal).
- the peer end is a terminal used by other users.
- the opposite end may be a terminal used by other users connected to the local user in the remote video.
- the voice stream is sent to the peer end, the peer end plays the voice stream, so that the user using the peer end can hear the corresponding voice.
- the peer end can also collect external sound.
- the opposite end sends the voice stream corresponding to the external sound collected by itself to the server, and the server sends the voice stream to the terminal. That is to say, terminal A (terminal) and terminal B (peer terminal) in the same video conference can receive and play the voice stream sent by the other party through the server.
- the server converts the received voice stream sent by the terminal into text content, sends the text content to the peer end, processes the text content, and uses the processed text content as the meeting record
- the speech content is saved, and the meeting record includes all the speech content from the beginning of the meeting to the end of the meeting.
- the text content is processed, and the The problem is eliminated, and the final meeting minutes can clearly record all the speech content of this video conference.
- the terminal in order to identify the current speaker, sends the device identifier and the user identifier to the server.
- the server determines the name of the speaker according to the device identifier and the user identifier.
- a data table corresponding to a device ID, a user ID, and a speaker's name is pre-stored. When the device ID and user ID are determined, the data table is used to look up the corresponding speaker name.
- the device identifier is a unique identifier of the terminal.
- the device identifier may be composed of numbers and/or letters.
- the user identifier may be a user account, and when participating in a remote network conference, the user may log in to the user account to enter the remote network conference.
- multiple terminals can log in to a user account at the same time, and multiple people can enter the remote network conference through different terminals logging in to the user account.
- the user IDs that are the same as the user IDs sent to the server this time are selected from the pre-stored user IDs. If the number of filtered user identifiers is one, the speaker name is determined to be the speaker name corresponding to the filtered user identifier. If the number of filtered user identifications is multiple, the pre-stored device identifications corresponding to each user identification are respectively determined. From the determined device identifiers, the device identifiers that are the same as the device identifiers sent to the server this time are filtered out. The speaker name corresponding to the screened device identifier is used as the confirmed speaker name. Therefore, in the embodiment of the present application, when multiple terminals log in to one user account at the same time, the speaker who is currently speaking can still be distinguished.
- each terminal can only log in one user account, and a data table is formed by using the user ID and the speaker's name as two elements. Specifically, the user IDs that are the same as those sent to the server are screened from the data table, and the speaker's name is determined to be the speaker name corresponding to the screened out user IDs.
- the name of the speaker is stored corresponding to the speech content, and the name of the speaker is used to distinguish the source of the text content, in other words, the name of the speaker can determine the speaker of the speech content And/or, sending the speaker's name to the peer, so that the peer displays the speaker's name while displaying the text content.
- the speaker's name is displayed at a position corresponding to the text content, so that the user can clearly see the speaker of the text content.
- the terminal receives the text content sent by the server, and controls the display to display the text content.
- the terminal when the text content is displayed on the peer end, the terminal is also controlled to display the text content locally, so as to improve user experience.
- the method further includes: the server determines the speaker's speaking time; when storing the meeting minutes, correspondingly saves the speaking time and the speech content, and/or sends the speech The time is up to the peer end, so that the peer end displays the speech time while displaying the text content.
- the step of determining the speaking time of the speaker includes: determining the time of the received voice stream corresponding to the text content, and taking the time as the speaking time.
- the terminal sends the time corresponding to the voice stream while continuously sending the voice stream. For example, the time corresponding to the voice stream A is 1:58:2 seconds, and the time corresponding to the voice stream B is 1:58 Minutes and 3 seconds.
- the audio stream corresponding to the text content can be determined, and the time of the audio stream can be determined, and this time can be used as the speaking time. It should be explained that the time corresponding to the voice stream may be the time when the terminal generates the voice stream after receiving external sound.
- the time is sent to the opposite end, and the time is displayed at a position corresponding to the text content on the opposite end.
- the time may be 13:58 on April 5, 21, and the text content may be to start the current meeting. In this way, the user can clearly understand the speaking time of the speaker, which improves the user experience.
- the speech content may be stored in the form of a table and arranged in chronological order.
- the speaker's name, text content and time each occupy a column.
- the step of processing the text content includes:
- the step of performing word segmentation on the text content includes: there are several words in the database, matching the text content with the words in the database, and if there are words in the database in the text content, using the words as words, performing word segmentation on the text content get words.
- S200 Determine whether the word is a useless word or a special word.
- a useless thesaurus database and a special word correction database are provided.
- Useless words are stored in the useless thesaurus.
- Special words and corrected words corresponding thereto are stored in the special word correction database.
- the useless words refer to words without meaning, for example, um, ah, etc.
- the term is a wrong term, and the correction term refers to a correct term.
- the special word in the text content is replaced with a preset correction word. Since the special words in the text content may be the common names of a certain technology that those skilled in the art are familiar with, and since the content of the speech is saved for later viewing and use, there may be a problem of understanding deviations in the common names. In the embodiment of this application, the The professional words in the text content are replaced with the preset corrective words, which can avoid the problem of deviation and make it easier for users to check in the future.
- the step of processing the text content may be performed by a natural language processing service, and the natural language processing service is enabled by a server.
- the method further includes: the server sends the text content to the terminal and the opposite end; the terminal and the opposite end determine whether to control the display to display the text content according to the setting information, wherein the setting information Including allow display or disallow display.
- the user at the peer end can also see the text content while listening to the voice. However, whether text content is displayed on the display of the terminal and the peer end can be determined by setting information, which can improve the user experience. For example, if the current display interface displays other content, the user does not want the text content to block the currently playing content , you can set the setting information to not allow display.
- the setting information is allowed to be displayed, the display is controlled to display the text content; if the setting information is not allowed to be displayed, the display is not controlled to display the text content.
- the server first determines the specific content of the setting information, and determines whether to send the text content to the terminal or the opposite end according to the setting information. In some embodiments, the server determines whether to send the text content to the terminal and the peer according to the setting information of the terminal and the setting information of the peer. If the setting information of the terminal includes display permission, send the text content to the terminal, and the terminal displays the text content on the display. If the setting information of the terminal includes that display is not allowed, the text content will not be sent to the terminal.
- the specific method for the server to determine whether to send the text content to the opposite end according to the setting information of the opposite end is the same as that of the relevant terminal, and will not be repeated here. In this way, if the terminal setting information includes that display is not allowed, the server does not need to send text content to the terminal, which can reduce the occupation of server resources.
- the terminal displays the text content on the display one by one according to the time sequence.
- the text content is displayed in the order of the time corresponding to the text content.
- the number of displayed text contents may be limited, for example, the number of text contents may be four.
- the time when the peer end receives the text content is a little later than the time when the audio stream (voice stream) is received, this will cause the user to see the text content and hear the sound out of sync.
- Multiple text contents are displayed on the display at the same time, so that the user can ignore the asynchronous phenomenon between seeing the text content and hearing the sound, and reducing the user's bad feelings.
- the user can view the stored meeting minutes through the terminal.
- the methods include:
- the server receives the request from the terminal for viewing conference records, searches for pre-stored conference records, and sends the conference records to the terminal, so that the terminal displays the conference records. In this way, the user can search for the meeting record at any time and know the content of the meeting at that time.
- the user may press a control on the user interface through the control device to generate a user input for displaying the minutes of the meeting.
- the terminal After receiving the user input, the terminal sends a request to view the corresponding meeting record to the server, and the server feeds back to the terminal after finding the meeting record.
- the terminal displays the conference record.
- the meeting identification corresponding to the meeting records is determined, which is convenient for the user to distinguish the meeting records of different meetings.
- the meeting identifier may include meeting time, speaker's name, etc., and the meeting time may be the meeting start time and/or the meeting end time.
- the meeting identifier can be automatically generated according to the meeting minutes.
- the meeting ID can be determined manually, and the user determines keywords according to the meeting records, and uses the keywords as the meeting ID.
- the display before the user input for displaying the meeting record is generated, the display may be controlled to display the control while displaying the meeting identifier corresponding to the control. The user determines the conference record to be viewed by distinguishing the conference logo, and presses the corresponding control on the user interface through the control device.
- the text content is processed by the terminal instead of the server.
- the terminal receives external sound, and converts the voice stream corresponding to the external sound into text content, the terminal directly processes the text content, and sends the processed text content to the server, and the server converts the processed text content save.
- the above content is the case of converting and saving the content obtained by multiple terminals as meeting records.
- the following describes the situation of saving the content obtained by one terminal as meeting records.
- the scene can be a local meeting, etc., where multiple people A terminal is used to determine the meeting minutes during a meeting.
- the embodiment of the present application provides a method for saving speech content, which can save the content obtained by a terminal as a meeting record, and the method includes:
- the terminal collects external sounds, and sends the voice stream corresponding to the external sounds to the server;
- the server converts the voice stream into text content, processes the text content, and saves the processed text content as speech content in the meeting minutes.
- a voiceprint recognition method may also be used.
- the external sound collected by one terminal may include speech content of multiple speakers.
- An understandable scenario is that multiple people participate in a video conference through one terminal. In order to distinguish the speakers more accurately, the speaker who is currently speaking can be determined through the method of voiceprint recognition.
- a method, terminal and server for storing conference records processes the text content to obtain simplified and accurate text content, which is automatically saved as the speech content in the conference records, improving the efficiency of recording meetings. Record efficiency and accuracy.
- the method includes: receiving the voice stream sent by the terminal, sending the voice stream to the opposite end; converting the voice stream into text content, sending the text content to the opposite end, and processing the text content, and processing the text content
- the text content is saved as the speech content in the meeting minutes.
- the embodiment of the present application also provides a computer-readable non-volatile storage medium, on which computer instructions are stored, and when the computer instructions are executed by the processor, the computer device is executed:
- an embodiment of the present application provides a display device and a method for adjusting the video display sequence.
- the above-mentioned display device 200 can also implement a social function, that is, different users can implement video calls or audio calls through different display devices 200 .
- the display device 200 may be built-in or externally connected with an image acquisition device and/or an audio input device.
- a camera may be set on the display device 200 for collecting image information of a user in front of the display device 200 .
- the display device 200 may also be provided with a microphone for collecting voice information of the user.
- the display device 200 can run a social application program and enable a camera and a microphone to collect video data and audio data.
- the video data and audio data are then sent to the server 400 through the communicator 220 , so that the video data and audio data are forwarded to other display devices through the server 400 .
- other display devices may also send video data and audio data to the server 400 in the above manner. Therefore, while the display device 200 is sending video data and audio data, it can also obtain video data and audio data sent by other display devices from the server 400, and display the obtained video data, and perform sound playback on the obtained audio data. , to implement video calls and audio calls with other display devices.
- the display device 200 can also realize multi-person video calls based on the above social function. That is, social applications can build a multi-person call platform through the server 400, and multiple display devices 200 can connect to the multi-person call platform by running the same social application. When one of the display devices 200 uploads audio and video data to the platform, other platforms can simultaneously subscribe to the data stream corresponding to the audio and video data, so that multiple display devices 200 participating in the call can obtain audio and video data from each other to realize multi-person calls.
- the display device 200 may obtain a conference joining instruction input by a user for starting or joining a multi-person video call.
- video conferencing applications such as " ⁇ conference" and " ⁇ link" can be installed on the display device 200.
- the user starts the application he can enter the scheduled meeting ID, and after the multi-person call has been turned on, , click the "Join" option, so that the display device 200 can access the meeting platform corresponding to the meeting ID, so that the display device 200 can receive video data and/or audio data from the server 400 from other display devices participating in the meeting, and join multiple people talking.
- the display device 200 may jump to a user interface corresponding to the multi-person call process.
- the multi-person call user interface may include multiple windows for displaying video call content, that is, video call windows.
- the video data acquired from the server 400 and from multiple different display devices 200 can be displayed in each video call window respectively.
- Multiple video call windows in the user interface can be arranged in a default order for users to watch.
- the video call windows can be arranged in order according to the identity information of the users participating in the meeting, that is, the host of the meeting and the local screen of the display device 200 can be displayed preferentially in the user interface.
- the user interface it can be displayed in multiple lines from top to bottom, and each line displays the host screen window and the local screen window in sequence from left to right.
- the display device 200 can also arrange the order of the remaining video call windows according to a specific arrangement rule . For example, while the display device 200 preferentially displays the moderator and local windows on the user interface, it can also sort the multiple conversation windows according to the hardware status by detecting the hardware activation status of each display device 200 .
- the display device 200 after the display device 200 obtains the conference joining instruction input by the user, it can obtain the participant list information from the server 400, so as to set the display sequence of multiple video call windows according to the participant list information.
- the participant list information includes user ID and audio and video status.
- the user ID can be based on the user name registered by the application program service provider; it can also be the device name after the server 400 detects and authenticates the display device 200 , such as mac address, network address, and the like.
- the audio and video status is data used to represent the output status of audio data and video data of the display device 200 . For example, if some display devices 200 do not turn on the camera after joining the meeting, they can only communicate through audio; some display devices 200 do not turn on the microphone after joining the meeting, then they can only communicate through video.
- the display device 200 may preferentially display the windows corresponding to users who both enable video and audio in the user interface, and then sequentially display the windows of users who have not enabled video but have enabled audio, the windows of users who have enabled video but not enabled audio, and Window for users who have neither video nor audio turned on.
- the display device 200 may first obtain the identity information set for the user ID in the current video session, based on Identity information sets the first priority. For example, after the user joins the conference, the display device 200 can extract the user ID of each participant from the conference participant list information, and match the identity information of each user in the current conference in the database according to the user ID to determine that the identity information is The user who is currently the host of the meeting. At the same time, for each display device 200 joining the conference, the local user ID can also be recorded to determine that the identity information is the local user.
- identity information may be set according to specific needs. For example, multiple identity information levels are set according to management hierarchy; multiple identity information are set according to geographic location, etc. At the same time, if no identity information is set for a user ID, it can be defaulted as an ordinary participant. Therefore, after acquiring the identity information, the display device 200 may set the display order of windows corresponding to the user ID according to the identity information. For example, in the user interface, the host window may be displayed first, then the local window, and finally the windows corresponding to the common participants are displayed.
- the display device 200 can analyze the audio switch value and video switch value from the audio and video status, and calculate the judgment value according to the audio switch value and video switch value, and set the value based on the judgment value.
- Second priority is a weighted summation result of the audio switch value and the video switch value.
- the first priority may be set higher than the second priority.
- the audio switch value can be assigned a value of 1 when the user turns on the audio, and a value of 0 when the user does not turn on the audio; similarly, the video switch value can also be assigned a value of 1 when the user turns on the video, and a value of 0.
- set the weight of the audio switch value and video switch value that is, for a call-based conference, you can set the audio weight to be greater than the video weight, for example, the audio weight is 0.6, and the video weight is 0.4;
- the audio weight can be set to be smaller than the video weight, for example, the audio weight is 0.4, and the video weight is 0.6.
- the display order of multiple windows can be determined by comparing the judgment value, that is, the host window, the local window, and both the video and audio users are displayed in the user interface in sequence. window, no video but no audio user window, video and no audio user window, and no video and no audio user window.
- the video call windows in the user interface can be sorted according to the above method for determining the display order.
- the sequence determined in the above manner may be referred to as an initial sequence.
- the display device 200 may subscribe to the video data stream corresponding to each video window through the server 400, and draw multiple video call windows in the user interface according to an initial sequence, so as to display the acquired video data stream.
- the display device 200 may also adjust the display order according to the actual participation status of the meeting. That is, the display device 200 can monitor the audio and video status of each video call window in the user interface through the server 400 .
- the server 400 may maintain a data table that is updated in real time, and the data table may record the hardware activation status of each display device 200 participating in the multi-person call.
- the server 400 can detect the corresponding state and make changes in the data table.
- the modified data table parameters can be sent to each display device 200 participating in the video call along with the data stream, so that the display device 200 can monitor the audio and video status of each video call window in the user interface.
- the second priority can be recalculated according to the changed audio and video state; and the display order of the video call window can be adjusted according to the recalculated second priority.
- the corresponding audio and video state changes, that is, the video switch value changes from "0" to "1". Therefore, the judgment value corresponding to the user ID will be changed from "0.6" to "1", so that the display order of the window corresponding to the user ID can be adjusted according to the recalculated judgment value, and the display position of the window can be advanced.
- the application program can display the user interface of the video call window arranged in the initial order on each display device 200.
- the user may adjust the display order of the video call window due to the needs of specific scenarios, such as important participants at the front and ordinary participants at the back.
- the display device 200 may include a display 260 , a communicator 220 and a controller 250 .
- the display 260 may be configured to display a user interface, and the user interface includes multiple video call windows displayed in an initial order.
- the communicator 220 is configured to connect to the server 400 to acquire the call data stream and related data during the multi-person call from the server 400 .
- the controller 250 is configured to execute the method for adjusting the video display sequence described above, which specifically includes the following content:
- the control instruction for adjusting the display sequence of the video call window can be completed by a series of interactive actions.
- a sequence adjustment option may be provided in the multi-person call user interface. When the user clicks on this option, the user interface may be triggered to enter the setting state. Press the arrow keys and the confirmation key to perform actions such as "select-adjust position-unselect" on the video call window in the user interface. That is, the control instruction for adjusting the display sequence of the video call window can be input through a series of button operations.
- the display device 200 can support more forms of interaction, so the input of the control instruction can be completed through corresponding interaction methods.
- the user can trigger the user interface to enter the setting state by long pressing the video call window whose display position is pre-adjusted. Then, through the sliding operation, the video call window at the position of the finger is driven to move. After moving the video call window to the target position, the user can release the finger to keep the video call window at the target position. That is, the control instruction for adjusting the display sequence of the video call window can be input through touch interaction operation.
- the display device 200 may also display a specific window setting interface for the user to input the above-mentioned control instructions for adjusting the display order of the video call windows.
- a window setting option may be included in the user interface, and when the user selects the window setting option, the display device 200 may jump to a display window setting interface, and the window setting interface may include options for representing each video call window, The user can select among multiple options sequentially to set the display order. That is, the control instruction for adjusting the display sequence of the video call window can be input by selecting a specific option on the user interface.
- the display device 200 may respond to the control instruction and extract target window identification information and a custom sequence from the control instruction.
- the target window is the video call window whose display order is adjusted specified in the control instruction
- the custom order is the display order set by the user through a specific interaction when inputting the control instruction.
- the user after the user triggers the display device 200 to enter the setting state of the user interface, the user selects the video call window whose window number is 003 in the current user interface, that is, the selected video call window is the target window. Then by pressing the direction key on the control device 100, the target window is adjusted to the position of window No. 001. Therefore, the display device 20 can extract the user ID of the adjusted window, that is, the target window identification information. At the same time, a custom order is obtained, that is, the order of each window after adjustment.
- the display device 200 may also acquire the call data stream of the target window according to the identification information of the target window.
- the call data stream of the target window can be obtained through the data table recorded in the multi-person call platform, that is, in some embodiments, the display device 200 can, in the step of acquiring the call data stream of the target window according to the identification information of the target window, The user ID of the target window to iterate over.
- a data subscription request is sent to the server 400, that is, the data subscription request includes the user ID.
- the server 400 may query the corresponding data stream channel information according to the user ID included in the request, and feed back the queried data stream channel information to the display device 200 .
- the display device 200 then receives the data stream channel information fed back by the server 400 in response to the data subscription request, to connect to the data stream channel corresponding to the user ID, and obtain the call data stream. For example, when the video call window whose window number is 003 is selected, the user ID corresponding to the 003 window is: xx0003, then the display device 200 can send a data subscription request to the server 400, so that the server 400 can query the corresponding user ID of xx0003 according to the data subscription request. Data flow channel information, such as channel003. Then feed back the queried data stream channel information to the display device 200, so that the display device 200 can obtain the video data and/or audio data of the xx0003 user by subscribing to the data stream channel.
- the display device 200 may use the call data stream to replace the display content of the video call window in the user interface according to the custom sequence parsed in the control instruction. For example, in the process of adjusting the target window whose window number is 003 to the position of window No. 001, the display device 200 can use the call data stream to replace the window numbered 001 after obtaining the call data stream corresponding to the user ID: xx0003.
- the display content of the video call window enables the video call window numbered 001 to display the video call picture corresponding to the target window numbered 003.
- the process of position change may also cause the position change of other windows.
- the target window whose window number is 003 is adjusted to the position of window No. 001
- the video call screen corresponding to the original position of window No. 001 needs to be adjusted to the position of window No. 002 in sequence.
- the video call screen corresponding to the position of window No. 002 needs to be adjusted to the position of window No. 003.
- the display position of the video call window numbered 004 remains unchanged. Therefore, during the adjustment process, the target window is not limited to the video call window directly implemented by the user interaction action, but also includes other video call windows that are changed due to the position adjustment of some windows.
- the display device 200 may acquire the control instruction input by the user for adjusting the display sequence of the video call window.
- the first interactive action input by the user is detected first.
- the first interaction action is an interaction action for triggering a window setting interface.
- the user may click on the window setting option through a button or touch operation on the control device 100 to input the first interaction action.
- the display device 200 may jump to the display window setting interface in response to the first interaction action, for adjusting the display order of the windows in the user interface. Therefore, in the window setting interface Includes video call window option. For example, after the user clicks the window setting option, the display device 200 may jump to the window setting interface.
- the window setting interface there may be options for the user to select the same number of windows as in the multi-person conversation interface.
- the window setting interface displayed on the display device 200 may include a user ID corresponding to each window and identification information associated with the user ID, such as profile picture, video call screenshot, and the like.
- the display device 200 may detect the interactive action performed by the user on the window setting interface, that is, detect the second interactive action input by the user based on the video call window options.
- the second interaction action is an interaction action for defining a display sequence.
- the second interaction action is a selection operation on multiple window options.
- the display device 200 can record in real time the video call window options sequentially selected by the second interactive action, thereby generating a custom sequence. For example, when the user selects "host”, “guest 2", and “guest 6" in sequence in the window setting interface, the custom order can be generated as “window 001 - host”, “window 002 - guest 2" , “Window 003—Guest 6", and the corresponding windows of other windows users can be displayed in the initial order.
- the display device 200 may realize the sequence definition function through the multi-level interface.
- a specific option may be used to trigger the display of the window option list. For example, as shown in FIG. 15, after the user selects the "window layout" option in the multi-person call interface, the user may jump to the "window layout" interface. As shown in FIG. 16 , in the “Window Layout” interface, an option of “Customizing the Display Order of Window” may be included. When the user selects this option, the display device 200 can be triggered to jump to the “window setting” interface, as shown in FIG.
- the selection boxes indicate what can be defined for each window number.
- the display device 200 may be triggered to display a window option list interface (or dialog box) to select the display content defined by the window. That is, as shown in Figure 18, the user can click the "+” button on the selection box numbered “1" to trigger the display of the "select participants" list interface, and select the "host” option in it to define the number in 1
- the video call content corresponding to the "host” is displayed in the number window, as shown in Figure 19.
- the user can more intuitively define the window display sequence, and achieve the purpose of sequence adjustment through a simple selection operation, so that the display device 200 can display in sequence according to the user's needs, while reducing the difficulty of operation and improving the user experience. experience.
- the display device 200 in order to enable the display device 200 to display in a user-defined order, in the step of using the call data stream to replace the display content of the video call window in the user interface, can first extract the user ID of each video call window according to the original order, that is, determine the original user ID of each window; meanwhile, extract the current user ID of each target window according to the custom order, that is, determine the The current user ID of the window.
- the call data stream of the target window can be used to replace the display content in the video call window; if the original user The ID is the same as the current user ID, that is, at the current window position, the video call content displayed in the initial sequence and the customized sequence correspond to the same user ID, and there is no need to replace the display content of the window, so the display content of the video call window can be retained.
- one window can be used as the main video window in the multi-person call interface.
- the main video window has a larger window area, so the corresponding video call content can be displayed more clearly.
- the display device 200 can detect whether the video function is enabled on the target window, and if the video function is enabled on the target window, obtain the call data stream of the target window , to use the call data stream to replace the display content in the video call window; if the video function is not enabled in the target window, obtain the identification screen corresponding to the current user ID to display the identification screen in the video call window.
- the call data stream uploaded to the server 400 only includes audio data streams, not video data streams. Therefore, when the call data stream corresponding to the user is switched to display in the main video window, a video picture cannot be formed in the main video window.
- the display device 200 may extract the avatar of the user xx0004 and display it in the main video window.
- the display device 200 can use the call data stream to replace the display content of the video call window in the user interface.
- the number of target windows and the total number of windows of the user interface are obtained, and the obtained number of target windows and the total number of windows of the user interface are compared. If the number of target windows is equal to the total number of windows, that is, the user has set the order of all windows, so the order of the windows in the user interface can be displayed directly according to the custom order.
- the display device 200 may replace the first window in the user interface with the call data stream of the target window.
- the first window is a number of video dialogue windows equal to the number of target windows in the user interface. For example, if the display sequence customized by the user in the window setting interface is "001 window - host”, “002 window - guest 2", “003 window - guest 6", then the first window is numbered “ 001", "002" and "003” windows. At this time, the display device 200 may replace the windows of "001", "002” and "003” with the video call screens of "host", “guest 2" and “guest 6" respectively.
- the display device 200 may also display the call data stream of the second window in the user interface in an initial order.
- the second window is a video dialog window other than the first window in the user interface.
- the second window is other video call windows in the user interface except the windows numbered "001", “002" and "003".
- the display device 200 may sort and display them according to the initial order after removing the user windows of "host", “guest 2" and "guest 6".
- the display device 200 includes a display 260 , a communicator 220 and a controller 250 .
- the controller 250 is configured to perform the following program steps:
- the target window is the video call window whose display order is adjusted specified in the control instruction;
- the call data stream is used to replace the display content of the video call window in the user interface.
- the video display sequence adjustment method of the above display device 200 will be described in detail below in conjunction with a specific video conference example.
- the display device 200 will request Signaling service on the system side of the audio and video platform to obtain the participant list data in the conference.
- the participant list data will call back the participant data through the signaling software development kit (Software Development Kit, SDK).
- the display device 200 stores the participant list data, including user ID, image, audio status, video status and so on.
- the display device 200 can also sort the participant list according to the default sorting of the video conference application. Then trigger the refresh of the main video window in the form of a message, so that each participant on the main video window creates a window view, which will be bound to the participant and display the corresponding user video screen.
- the display device 200 can extract the corresponding participant data content from the stored data according to the switching operation input by the user. After returning the participant data, the display device 200 will display the participant data through a UI for the user to select and adjust the sequence. After the user selects the window to adjust the sequence, the selected participant window will return the selected participants to the custom window UI, so that the user can click the OK button in the custom window UI after the selection is completed to confirm the layout of the corresponding window Customize the participant list order and send the custom participant list order to the participant database.
- the participant database can record the order of the list received.
- the main video window can monitor the status recorded in the participant database in real time, and compare the sequence of the currently displayed video window with the latest customized list sequence in real time. If the list sequence is the same, the screen will remain unchanged.
- the user ID at the view position of each participant's video window can be compared with the user ID at the corresponding position of the corresponding layout participant data module for the main video window. When they are the same, keep the corresponding content of the user ID corresponding to the main video window unchanged; otherwise Replaced in the main video window with the sorted user ID screen.
- the display order can also be adjusted automatically when the status of other participants changes. That is, when other participants switch local audio or video, they can synchronize the audio status and video status to the audio and video platform system, and the audio and video platform system broadcasts the audio and video status through signaling services.
- the signaling SDK can call back the user's audio and video status to the participant database to update the status data recorded in the participant database and trigger the reordering of the participant list to follow Corresponds to the custom order of the window layout and the overall sorting of the audio and video status. Then, the sequence after the overall sorting is triggered to refresh the main video window in the form of a message, and the adjustment of the video display sequence is completed.
- the embodiment of the present application also provides a server and a method for generating subtitles.
- the display device can run multiple application programs, one application program can be a conference application, and the interface of the conference application can be provided with a desktop sharing control and an audio input control.
- the desktop sharing control can be configured to share the display interface of the current device with other display devices participating in the current meeting in response to a trigger, so that other display devices participating in the current meeting can display the display interface;
- the audio input control can be a microphone control , may be configured to share the audio received by the current device with other display devices participating in the current conference in response to a trigger, so that other display devices participating in the current conference can play the audio.
- the participants in a conference include participant 1 and participant 2, the terminal device used by participant 1 to participate in the conference is display device 1, and the terminal device used by participant 2 to participate in the conference is display device device2.
- participant 1 needs to share the content displayed on display device 1 with participant 2, he can click the desktop sharing control, and the server can control display device 2 to display the display interface of display device 1; when participant 1 needs to explain the display device 1
- participant 1 is a lecturer in a meeting
- participant 2 is an audience.
- the identities of the two can be switched during the actual meeting.
- the conference application in order to facilitate understanding of the speaker's speech content, provides the function of AI subtitles.
- the server can perform speech recognition on the speaker's audio recorded by the speaker's display device, according to The recognition results generate subtitles.
- the accuracy of speech recognition is limited, resulting in limited accuracy of subtitles.
- the subtitles generated by the AI subtitle function are usually in a fixed display area, which may cause the generated subtitles to block the content that the audience needs to watch.
- an embodiment of the present application provides a subtitle generation method, as shown in FIG. 22, the method may include the following steps:
- Step S110 Receive a subtitle request.
- the participants of a conference include two users, namely participant 1 and participant 2 .
- Participant 1 is a lecturer
- participant 2 is an audience
- the terminal device used by participant 1 to participate in the conference is display device 1
- the terminal device used by participant 2 to participate in the conference is display device 2 .
- the display device 1 may respond to the shared desktop control being triggered, and will share the desktop command, the current screen image of the display device 1, and the display device 1.
- the device ID is packaged and sent to the server, wherein the shared desktop command is a preset command corresponding to the shared desktop control, which is used to make the server control the display devices of other participants to display the screen image of participant 1.
- display device 1 can respond to the audio input control being triggered, start the microphone to record the audio of participant 1's speech in real time, and use the audio, conference ID, and display device 2's device
- the ID is packaged and sent to the server, and this audio can also be called a voice stream.
- participant 1 may adjust the current display interface of the display device, for example, adjust the current display interface from the first image to the second image on the next page of the first image.
- the display device may be configured to send the changed display interface and page turning message to the server when it is determined that the current screen change is a preset screen change, such as page turning.
- the server may determine that the screen of the display device 1 has changed according to receiving the page turning message from the display device 1 .
- the server may also determine that the screen of the display device 1 has changed according to receiving a new screen image of the pair of display devices 1 .
- the display device 2 can generate a subtitle request, and the subtitle request can include the meeting ID of the current meeting and the device ID of the display device 2, and the meeting ID can be is the meeting number, after generating the subtitle request, the display device 2 sends the subtitle request to the server.
- the timing for the participant 2 to trigger the subtitle control may be any time after the participant 2 joins the conference.
- the meeting application can be configured to automatically enable the subtitle function after a participant joins the meeting, and disable the participant's subtitle function if the participant has enabled the desktop sharing function.
- Step S120 In response to the subtitle request, when the voice stream is received, perform word segmentation processing on the semantic text corresponding to the voice stream to obtain multiple word segments to be corrected.
- the server after the server receives the subtitle request, it can obtain the shared desktop command corresponding to the meeting ID according to the meeting ID in the subtitle request, and the device ID corresponding to the shared desktop command is the device ID of the display device 1, Determine the display device 1 as the target display device, and determine the screen image of the target display device as the target image to generate subtitles. It is necessary to generate subtitles on the screen image sent by the display device 1, so that the display device 2 of the participant 2 The subtitle is displayed on the screen image.
- the target image may also refer to a reference image to generate subtitles.
- the target image may be all page images or partial page images of the document uploaded by display device 1 or display device 2 to the server, such as the current page image, or the current page image and a preset number of page images before and after.
- the current page image is the image displayed by the display device 1 and the display device 2
- the image can be uploaded to the server by the display device 1, and the server can determine the latest uploaded image of the display device 1 as the current page image, and the image can be obtained from the current page image. Identify the page number, and then obtain the page images of the preset number of pages before and after the document.
- the preset number can be 2, that is, the server can determine the current page image, the page images of the first two pages, and the page images of the last two pages as the received The target image for the voice stream.
- the target image may also be a screen image sent by participant 1 to the server for a preset number of times recently, and the preset number of times may be 3 times. If the display device 1 receives a message indicating that the preset screen changes, such as a page turning message, the server can update the target image. If the target image is an image, the target image is updated to the screen image of the display device 1 corresponding to the page turning message.
- the server is configured to only control display devices that have enabled the subtitle function to display subtitles.
- the server may also be configured to display subtitles on all participating display devices by default.
- the server may perform text recognition on the target image to obtain the text on the target image, and use the text on the target image as the target text.
- the text recognition method may be an optical character recognition method or other general text recognition methods.
- word segmentation may be performed on the target text, so as to facilitate comparison with the text recognized by the voice stream.
- the server when the server receives the voice stream sent by the display device 1 , it may determine that the voice stream corresponds to the current target image. Perform speech recognition on the speech stream to obtain semantic text. By performing word segmentation processing on the semantic text, multiple word segments to be corrected can be obtained. In order to distinguish different word segments, each word segment to be corrected can be provided with a word segment number, which is the sequence determined by the word segmentation process. For example, for the semantic text ABCCDD, the word segmentation results are: AB, CC, DD, and the word segmentation numbers are: 1, 2, 3 in sequence.
- Step S130 For each participle to be corrected, obtain a group of candidate words including the participle to be corrected.
- the weight is a preset weight, such as 10, and the Nth candidate word can be obtained from the pronunciation confusion set, where N greater than or equal to 2.
- the confusion set does not contain the candidate word corresponding to the word segment to be corrected. Therefore, the number of candidate words for each word segment to be corrected is greater than or equal to 1.
- the pronunciation confusion set can be set in advance, and the pronunciation confusion set contains a large number of confusing phrases that are easy to confuse in pronunciation, and each confusion phrase can be provided with a weight, which can represent pronunciation similarity, and the range of pronunciation similarity can be 0 ⁇ 1, the smaller the weight, the less likely to be confused, and the larger the weight, the more likely to be confused.
- the weight of AA-AB is 0.8
- the weight of AA-AC is 0.6, which means that the probability of AA being confused as AB is higher than the probability of AA being confused as AC.
- easily confused words can also be stored in other ways than confusing phrases, such as dendrograms and other forms.
- the words other than the participle to be corrected are used as candidates for the participle to be corrected.
- the word segmentation to be corrected is AB
- AA is used as a candidate word.
- at least one candidate word can be obtained.
- a preset number of candidate words can be obtained at most, and the preset number can be five.
- Step S140 For each word segment to be corrected, calculate the pronunciation similarity and font similarity between each candidate word and the target text, if there is a word segment in the target text whose pronunciation similarity with one of the candidate words reaches the first threshold , and the shape similarity with the participle to be corrected does not reach the second threshold, the participle is determined as the target participle corresponding to the participle to be corrected, otherwise, if there is no participle in the target text When the pronunciation and pronunciation similarity of the candidate word reaches the first threshold, and the font similarity with the participle to be corrected does not reach the second threshold, the participle to be corrected is not corrected, and the participle to be corrected is determined as the target Word segmentation, wherein the target text is the text obtained from the target image corresponding to the voice stream.
- the participle to be corrected may or may not need to be corrected. Whether the participle to be corrected needs to be corrected can be judged according to the two indicators of font similarity and pronunciation similarity. Wherein, the calculation methods of the font similarity and the pronunciation similarity can be obtained according to some existing calculation methods, which will not be repeated in the embodiments of the present application.
- the scene that needs to be corrected is as follows: For a word segment to be corrected, if the pronunciation similarity between a word segment in the target text and one of the candidate words reaches the first threshold, and the glyph similarity with the word segment to be corrected does not reach the second threshold, it indicates that the The pronunciation of the corrected word is relatively similar to that of a word in the target text, but the font deviation is large, so the word in the target text can be determined as the target word.
- the range of the first threshold may be 0.5-1
- the range of the second threshold may be 0.8-1.
- Scenes that do not need to be corrected are, for example, scenes other than the above-mentioned ones. For example, if the pronunciation similarity between a word segment in the target text and one of the candidate words reaches the first threshold, and the font similarity with the word segment to be corrected reaches the second threshold, it indicates that the word segment to be corrected is the same as a word segment in the target text, not Needs to be corrected. For another example, the pronunciation similarity between a participle in the target text and one of the candidate words reaches the first threshold, and the word shape similarity between the participle to be corrected and the participle to be corrected reaches the second threshold, indicating that the participle to be corrected and one of the target texts The participle is the same and does not need to be corrected.
- the pronunciation similarity between a participle in the target text and one of the candidate words does not reach the first threshold, indicating that the pronunciation of the participle to be corrected and the participle in the target text are quite different, and the accuracy rate of correction based on the target text is relatively low. Low, so it cannot be corrected according to the target text.
- each participle to be corrected can also be modified according to one or more correction principles.
- the correction principles can include the text reproduction principle and the pronunciation reproduction principle:
- a text recurrence principle is: for a word segmentation to be corrected, if one of the candidate words appears in the target text, the weight of the candidate word is set to be the largest among the word segmentation parameters where the group of candidate words is located; if multiple candidate words word appears in the target text, then compare the original weights of the multiple candidate words, and set the weight of the candidate word with the largest original weight as the largest in the group of candidate words, where the original weight is the corresponding treatment of the candidate word in the pronunciation confusion set Modify the weight of word segmentation.
- the method of setting the weight of one of the candidate words to be the largest in the group of candidate words may be to set the weight of the candidate word to 100.
- a principle of pronunciation reproduction is: comparing the pronunciation similarity of each candidate word with the pronunciation of the target text.
- the considerations of similarity can include pronunciation and tone, and these two considerations can be set with weights.
- the same pronunciation means that the pronunciation and tone are the same. In this case, the approximation is the highest, and the approximation in other cases is smaller than this Happening.
- the text corresponding to the pronunciation in the target text is added as a new candidate word to the candidate word corresponding to the word segmentation parameter, and the new candidate word
- the weight of the word is set to be the largest among the candidate words corresponding to the word segmentation parameter.
- the method of setting the weight of one of the candidate words to be the largest in the group of candidate words may be to set the weight of the candidate word to 100.
- the priority of the text recurrence principle can be preset higher than that of the pronunciation recurrence principle, that is, after the correction is successful according to the text recurrence principle, it is no longer corrected according to the pronunciation recurrence principle, wherein, according to the text recurrence principle Correction success means that one or more candidate words appear in the target text. If any candidate word does not appear in the target text, the correction fails, and the correction is continued according to the principle of pronunciation reproduction.
- the original weight of each candidate word may not be changed after the correction fails according to the text recurrence principle and the pronunciation recurrence principle.
- the pronunciation recurrence principle correction failure means that the pronunciation of each candidate word is consistent with the target text The pronouncing similarities of all are lower than a preset threshold, indicating that the pronunciations are not similar.
- the successful correction of the pronunciation recurrence principle means that the pronunciation similarity of at least one candidate word and the target text is greater than or equal to the threshold.
- the correction principle is not limited to the text recurrence principle and the pronunciation recurrence principle, and the priority is not limited to the text recurrence principle being higher than the pronunciation recurrence principle, as long as the word segmentation is corrected according to the target text.
- the candidate word with the highest weight corresponding to each word segment to be corrected may be determined as the target word segment corresponding to the word segment to be corrected.
- Step S150 Combine the target word segment corresponding to each word segment to be corrected into subtitles.
- all the target participle of the participle to be corrected can be sequentially combined into a sentence according to the group number, that is, the subtitle that needs to be displayed on the display device of the audience .
- the subtitle is returned to the display device of the viewer corresponding to the conference ID.
- an example of subtitle generation is:
- candidate_text ⁇ Large bottle optimization with tight lines program ⁇ .
- candidate_text[1] [ ⁇ "text": “line tight”, “weight”: 10 ⁇ ];
- candidate_text[2] [ ⁇ "text":"of", “weight”:10 ⁇ ];
- candidate_text[3] [ ⁇ "text": “big bottle”, “weight”: 10 ⁇ ];
- candidate_text[4] [ ⁇ "text":"optimization",”weight”:10 ⁇ ];
- candidate_text[5] [ ⁇ "text":"scheme",”weight":10 ⁇ ];
- candidate_text[6] [ ⁇ "text":"medium”,”weight":10 ⁇ ];
- candidate_text[1] ⁇ candidate_text[6] represent 6 candidate words to be corrected
- text represents the text of the candidate word
- weight represents the weight of the candidate word
- the weight of each word to be corrected according to the semantic text is 10 .
- candidate_text[1]
- candidate_text[1] if the recognition result of the speech recognition algorithm is directly used, the determined target word segmentation is "line tight", which does not match the content of the speaker's speech.
- candidate_text[3] if the recognition result of the speech recognition algorithm is directly used, the determined target word segmentation is "big bottle”, which does not match the content of the speaker's speech.
- the word segmentation to be corrected can be corrected through the screen image corresponding to the voice stream, that is, the target image. For a word segment to be corrected, first compare whether the target text screen_text in the screen image has the same word segment as one of the candidate words of the word segment to be corrected, and if so, update the weight of the same word segment.
- the target image is the image shown in Figure 23, and the target text recognized by the target image is: "In today's large-screen optimization scheme, more and more attention is paid to user experience", and the word segmentation results are: “now”, “of” , “big screen”, “optimization”, “plan”, “medium”, “more and more”, “focus”, “user”, “experience”, for candidate_text[3], the screen image corresponding to the voice stream If a word segment of the text is "big screen”, the weight of the candidate word "big screen” in candidate_text[3] can be set to 100.
- the word segmentation of the text in the screen image with the highest similarity is updated with its weight. For example, for candidate_text[1], a participle of the text of the screen image corresponding to the voice stream is "now", which is similar to the pronunciation of the candidate words “line tight”, “first near”, “advanced” and “stuck”. If the degree is relatively close, “now” can be added to candidate_text[1], and the weight of "now” is set to 100.
- the candidate word with the highest weight among candidate_text[1] ⁇ candidatetext[6] can be taken out as the target word segment for each word segment to be corrected. Combine the target word segmentation of each word segmentation to be corrected into subtitles.
- a subtitle may be generated: "in the current large-screen optimization scheme”.
- the accuracy of the subtitles can be improved after the semantic text obtained by speech recognition is corrected by using the screen image text.
- the embodiment of the present application provides a method for setting the subtitle position, as shown in Figure 25, the method may include the following steps:
- Step S210 Receive a subtitle request.
- Step S220 In response to the subtitle request, when the voice stream is received, perform speech recognition on the voice stream to obtain subtitles.
- the semantic text obtained by speech recognition may be directly used as subtitles.
- subtitles can be obtained according to the subtitle generation method shown in FIG. 22 .
- Step S230 Calculate the matching degree between the subtitle and the text in each image area, where the image area is a partial display area of a target image corresponding to the voice stream, and the target image includes multiple image areas.
- the target image corresponding to the voice stream may be obtained, and the method for obtaining the target image may refer to the description of FIG. 22 .
- the target text in the target image can be recognized by an optical character recognition method, and the coordinates of the target text in the target image can be obtained.
- the target image can be divided into fixed image areas, such as two upper and lower image areas, which are respectively located on the upper and lower half screens of the display device, or two left and right image areas, which are respectively located on the left side of the display device.
- Half Screen and Right Half Screen In this fixed image area, there may be text on the boundary line. If the text is located on the boundary line of two image areas, you can set the text to belong to one of the image areas.
- the text can be set to be located in the image area of the front text, wherein the front text refers to the text before the borderline, and the text behind the border line can be called the back text.
- the image area can also be divided according to the text coordinates in the target image.
- the target image can be divided into three image areas: top, middle and bottom.
- This method divides the image according to the text coordinates in the target image
- the region method can avoid the situation that the text in the target image is located at the boundary of two image regions.
- a partial display area may also be divided as a subtitle display area for displaying subtitles.
- the left half area can be set as the subtitle display area, and in the lower half of the screen, the left half area can also be set as the subtitle display area.
- the text contained in each image region can be set according to the coordinates of the target text. In some embodiments, after the target image is divided into multiple image regions, text recognition is performed in each image region to obtain the text contained in each image region.
- the matching degree between the subtitle and the text in each image area may be calculated.
- An exemplary matching degree calculation method may be: perform word segmentation processing on the text on the target image to obtain multiple target word segments; perform word segmentation processing on the subtitles to obtain multiple subtitle word segments; calculate the relationship between each subtitle word segment and The matching degree of the corresponding target word segmentation in each image area; adding all the matching degrees in each image area to obtain the matching degree between the subtitle and the text in each image area.
- the matching degree is 1.
- the degree of similarity sets the matching degree to 0.1 to 0.9, wherein the degree of similarity can be determined according to some commonly used confusion sets, for example, in In a confusion set, for text A, the similarity between B and C is 0.8 and 0.6 in turn. If a word segment obtained after speech recognition is word segment A, the target image is divided into two image areas, and neither of the two image areas contains Segment A, the first image area contains text B, and the second image area contains text C, then the matching degree of this word A and the image area containing word B is 0.8, and the matching degree of the image area containing word C is 0.6.
- the matching degree is 0.
- Step S240 Set the coordinate area of the subtitle in the image area whose matching degree is smaller than the maximum value.
- the matching degree of an image area is relatively high, it indicates that the content of the voice stream is relatively related to the image area; otherwise, if the matching degree of an image area is small, it indicates that the voice stream
- the content of the subtitle may not be related to the image area. Therefore, setting the coordinate area of the subtitle in the image area with the least matching degree has the least impact on the user watching the target image.
- an example of subtitle position setting is:
- the converted subtitles of the voice streams received at t0, t1, t2, t20, t21, and t22 are:
- the screen image is divided into two image areas: a first area 201 and a second area 202 , wherein the first area 201 is the display area of the upper half of the screen, and the second area 202 is the display area of the lower half of the screen.
- the target text for the two image regions is:
- SEGMENT(screen_text[1][1]) represents the target text of the first line of the first area 201
- SEGMENT(screen_text[2][1]) represents the target text of the first line of the second area 202, so that analogy.
- the server may also send the screen area screen_text[1] with the highest matching degree to the video conferencing app of the display device 2, so that the display device 2 may display subtitles avoiding the position of screen_text[1].
- the display positions of subtitle(t1) and subtitle(t2) are also corresponding to screen_text[2], and the display positions of subtitle(t20), subtitle(t21) and subtitle(t22) are corresponding to screen_text[1] s position.
- the display position 203 of subtitle (t0), subtitle (t1), and subtitle (t2) is the second area 202, and the content that the audience needs to watch is in the first area 201, therefore, the subtitles will not affect the audience.
- the content is occluded.
- the display position 203 of subtitle (t20), subtitle (t21), and subtitle (t22) is the first area 201, and the content that the audience needs to watch is in the second area 202. Therefore, the subtitles will not affect the audience. The content is occluded.
- FIG. 24 is a schematic diagram of a sequence of desktop sharing.
- the lecturer can input the conference number on the conference application on the display device 1.
- the display device 1 After receiving the conference number, the display device 1 can obtain its own device ID and send the device ID and The join meeting request for the meeting number.
- the server can detect whether the meeting corresponding to the meeting number has been started, if not, start the meeting, and return the default meeting interface data to the display device 1 to make display device 1 display the default conference interface. If it is enabled and no participant has enabled the desktop sharing function, the default conference interface data will be returned to display device 1. If a participant has enabled the desktop sharing function, it will be sent to The display device 1 sends the current desktop data of the participant who has enabled the desktop sharing function, so that the display device 1 displays the current desktop of the participant who has enabled the desktop sharing function.
- the speaker is the first user to enter the meeting corresponding to the meeting number
- the data returned by the server to the display device 1 according to the meeting request is the default meeting interface data.
- the display device 1 After the display device 1 receives the default meeting interface data, it can A default conference interface corresponding to the default conference interface data is displayed.
- the default meeting interface can be provided with a shared desktop control, a microphone control, and a subtitle control.
- the audience can operate the subtitle control on the display device 2 after joining the conference, so that the display device 2 can enable the subtitle function, or the audience can also operate the subtitle control after the speaker starts to speak.
- the display device 2 obtains its own device ID, generates a subtitle request including the device ID and the conference number, and sends the subtitle request to the server.
- the server can start the subtitle generation task, wherein the subtitle generation task is configured to generate subtitles according to the subtitle generation method and the subtitle position setting method introduced in the embodiments of the present application.
- the lecturer can operate the shared desktop control on the display device 1 so that the audience can see the content displayed on the display device 1 .
- Display device 1 responds to the shared desktop control being triggered, generates a shared desktop request that includes the meeting number and the device ID of display device 1, and sends the shared desktop request and the current screen image of display device 1 to the server, or sends the current screen image of display device 1 to the server.
- the screen image is set in the shared desktop request, so that only the shared desktop request needs to be sent to the server.
- the server may transmit the current screen image of display device 1 to display device 2, and display device 2 may, after receiving the screen image, The screen image is displayed, so that the display device 2 can share the desktop of the display device 1 .
- FIG. 30 is a schematic diagram of subtitle generation sequence according to some embodiments.
- the speaker can operate the page turning control on the display device 1, then operate the microphone control and input voice, and explain the current page through voice.
- the file shared by the speaker has only one page, there is no need to operate the page turning control, and only need to operate the microphone control and then input the voice.
- the display device 1 can display the screen image after the page turning, and display the screen image after the page turning and the page turning message sent to the server.
- the server after receiving the screen image sent by the display device 1, the server sends the screen image to the display device 2, and the display device 2 replaces the currently displayed image with the screen image sent by the server.
- the server after receiving the page-turning message, acquires the text in the screen image after page-turning, and caches the text in the screen image after page-turning in blocks according to a partitioning method.
- a partitioning method Take the pre-set partition method as an example of dividing the screen image into upper and lower image areas, store the text in the upper half of the screen as a set of target texts in screen_text[1], and store the text in the lower half of the screen as another set The target text is stored in screen_text[2].
- the display device in order to ensure the timeliness of subtitle display, sends the acquired voice stream to the server for voice recognition every time the speaker enters a speech pause.
- the voice stream is sent to the server for voice recognition, thereby realizing cyclic voice recognition and improving the efficiency of subtitle display.
- the speaker enters a voice pause to indicate that the speaker has finished speaking a sentence.
- the conference application is pre-configured to upload the obtained voice stream to the server if the pause interval is reached after receiving the voice, where, for example, the pause interval can be 0.4 seconds, that is, when receiving audio, if no audio is received for 0.4 seconds since the last audio received, the audio stream corresponding to the audio received this time will be sent to the server.
- the server after receiving the voice stream sent by the display device 1 , the server performs speech recognition on the voice stream to obtain a semantic text, where the semantic text includes multiple word segments.
- the server may modify each group of words in the semantic text according to multiple groups of target texts to obtain subtitles.
- the server may set the display area of the subtitles to be the screen area where the least mapped target texts are located. For example, set the subtitle display area to the screen area corresponding to screen_text[2].
- the server may send the subtitle and the display area to the display device 2, so that the display device 2 displays the subtitle in the display area.
- FIG. 31 shows a schematic diagram of the sequence of generating subtitles by the server according to some embodiments.
- the server can be provided with the following functional modules: a video cache module, an image-to-text conversion module, and a voice recognition module, wherein the video cache module is used to store the screen image sent by the display device, and the image-to-text conversion module is used to recognize the screen
- the speech recognition module is used to perform speech recognition on the speech stream.
- the screen image after page turning sent by the display device 1 can be stored in the video cache module.
- the page turning message can be transmitted to the image-to-text conversion module and the voice recognition module in sequence.
- the image-to-text conversion module After the image-to-text conversion module receives the page turning message, it can obtain the latest screen image from the video cache module, and divide the screen image into multiple image areas according to the text layout in the screen image. Then recognize the text in each image area, and segment the recognized text.
- the voice recognition module After the voice recognition module receives the page turning message, it can start the voice recognition task.
- the speech recognition task can perform speech recognition on the speech stream sent by the display device to obtain word segmentation, and then correct the word segmentation obtained by speech recognition according to the word segmentation recognized from the screen image to obtain subtitles, and calculate the distance between the subtitles and the text in each image area Matching degree, the image area with the smallest matching degree is set as the display area of the subtitle, and then the subtitle and the display area of the subtitle are sent to the display device 2, so that the display device 2 displays the subtitle in the display area.
- the embodiment of the present application obtains the target image corresponding to the voice stream, and corrects the word segmentation obtained by speech recognition according to the text on the target image, so that the corrected target word corresponds to the text on the target image, which can improve the quality of subtitles.
- the accuracy rate further, by calculating the matching degree between the subtitle and the text in different image areas in the target image, the subtitle is set in the image area with the smallest matching degree, which reduces the understanding of the voice stream caused by the occlusion of the subtitle to the target image
- the influence of subtitles improves the user experience of watching subtitles.
- Meeting minutes are a way to record and convey the basic situation or main spirit of the meeting.
- a display device and a method for generating meeting minutes are provided in this embodiment of the application.
- a conference application can be installed on the display device 200 , and the user can conduct a video conference with users of other devices installed with the conference application through the display device 200 .
- the conference application may not be installed on the display device 200 , and only a wired connection or a wireless connection with the device installed with the conference application is required to display the video image of the conference application and play the audio of the conference application.
- FIG. 32 it is a schematic diagram of a scene of a video conference according to some embodiments.
- the people participating in the video conference may include the speaker, on-site audience and online audience.
- the device used by the speaker to participate in the video conference is device A, which can be a smart TV, that is, the device in the above-mentioned embodiment
- the device 200 is displayed.
- the number of online viewers is assumed to be three, and the devices used to participate in the video conference are device B1, device B2, and device B3.
- device B1 is a laptop computer
- device B2 is a video conference device, such as a mobile phone or a tablet
- device B3 is Desktop PC.
- device A may be a display device supporting touch operations, such as a touch TV.
- device A may be a display device supporting voice operations, such as a voice TV.
- device A supports both touch operation and voice operation, and also supports control of terminal devices such as remote controllers and smart phones.
- the presenter after the presenter ends the video conference on device A, he can sort out meeting minutes according to the conference video and audio recorded by device A.
- this method is less efficient in generating meeting minutes.
- an embodiment of the present application provides a method for generating meeting minutes, as shown in FIG. 33.
- the method for generating meeting minutes may include the following steps:
- Step S101 After the conference is started, record the multimedia file of the conference in real time.
- the meeting application can automatically record the multimedia file of the meeting in real time.
- the multimedia file may include a video file, an audio file, and a subtitle file of a display screen of the presenter's device A after starting the meeting, wherein the subtitle file may be generated by performing speech recognition on the audio file.
- the server creates a virtual room for the meeting, and different terminals join the virtual room, and transmit and exchange audio and video through the virtual room.
- the terminal can go to the virtual room to pull the audio and video data of the corresponding user according to the user identifier corresponding to the window in the display interface, and then analyze and display the audio and video data on the terminal.
- the server can identify and convert the audio uploaded by each terminal, and combine the text corresponding to different terminals according to the time point to form a subtitle file.
- the subtitle at time 1 may include both user 1 and user 2
- the subtitles at time 2 may include the speeches of user 1 and user 3 at the same time.
- the text corresponding to different terminals (referred to as text content above) is combined to form a subtitle file, and the text corresponding to a certain terminal in different terminals is used as a text, and the text corresponding to the terminal is added before it. logo.
- the text arrangement of different bars forms the subtitle file at that moment.
- the above arrangement may include an arrangement of display positions and/or an arrangement of display order.
- the screen recorded by the terminal may be the screen displayed on the terminal. In some embodiments, the screens displayed by different terminals of the conference may be different.
- Step S102 receiving the trigger operation of the meeting minutes control input by the user.
- the meeting minutes control may only be displayed on the presenter's device A, and the meeting minutes control is not displayed on the devices of the participants other than the presenter.
- the meeting minutes control can be displayed on any participant's device.
- the meeting minutes control displayed only on device A of the presenter as an example.
- the meeting minutes control may be displayed on the interface of the conference application of the presenter.
- the device A may generate a trigger operation of the meeting minutes control.
- the meeting minutes control can be a control with a single function, for example, the meeting minutes control is a control for recording meeting key points, a control for recording to-do items, or a control for recording interactive questions.
- Multiple meeting minutes controls with different functions can be displayed on device A. After the user clicks on one of the meeting minutes controls, device A can generate a trigger operation for the control.
- the meeting minutes control can be a control with an integrated function.
- device A can pop up multiple controls with a single function, such as the control of the meeting key recording function, or the control of the to-do item recording function. , or controls for the interactive question recording feature for users to choose from.
- the meeting minutes control is a single-function control
- the user may trigger different meeting minutes controls multiple times to generate multiple meeting minutes.
- the meeting minutes control is a control with an integrated function
- the user can trigger the control multiple times to select different controls with a single function to generate multiple pieces of meeting minutes data.
- the user may only trigger the meeting minutes control once, and only one piece of meeting minutes data will be generated.
- Step S103 In response to the trigger operation of the meeting minutes control, a floating layer for recording meeting minutes is generated and displayed on the meeting interface, and the summary data input on the recording floating layer is acquired.
- device A can generate a floating layer for recording meeting minutes on the meeting interface of device A according to the trigger operation of the meeting minutes control, and the floating layer displayed at the top of the meeting interface.
- the current recording time of the multimedia file is obtained as the starting recording time of the meeting minutes, and the starting recording time may be called the starting recording time.
- the start recording time is the 10th minute of the meeting.
- the content in the recording floating layer is a combination of the current interface and the subtitle file, which does not need to be manually entered by the user.
- the combination of the current interface and the subtitle file may be generated by taking a screenshot of the video window layer and the subtitle floating layer, or by combining the screenshot of the video window layer with the text of the subtitle file.
- the user is required to enter the recorded content in the record floating layer, and the user can input summary data on the record floating layer. or touch input data.
- Step S104 When the user exits the recording floating layer, generate a recording file including the initial recording time and the summary data, the starting recording time is the recording time of the multimedia file when the floating layer is generated .
- the user can use a control (eg, a save control) in the recording floating layer to exit the recording floating layer, and when exiting the recording floating layer, device A can automatically save the data input by the user.
- a control eg, a save control
- a hyperlink can be generated according to the start recording time, and the hyperlink is configured to enable the user to access the multimedia file generated by the recording of the meeting after selecting the hyperlink, And jump to the initial recording moment corresponding to the recording floating layer of the multimedia file, and highlight the data at the initial recording moment.
- Step S105 Send the record file to the server, so that the server generates meeting minutes according to all record files of the meeting.
- device A can generate a meeting minutes containing one piece of meeting minutes data; The meeting minutes of the meeting minutes data.
- the meeting minutes control is set in the meeting application, so that the user can generate the meeting minutes in real time during the meeting, and by recording the generation time and exit time of the floating layer of the meeting minutes, it is convenient for the user to follow up in the multimedia file. Locate the file location corresponding to the meeting minutes, which is convenient for users to edit meeting minutes and review meetings based on multimedia files.
- FIG. 34 it is a schematic diagram of a sequence of a meeting screen casting process according to some embodiments.
- device B may be devices such as device B1 , device B2 , and device B3 that the online audience uses to participate in the meeting.
- the join message can include the user ID and conference ID of the speaker or online audience in the meeting, so that the server can determine the meeting ID of the participating device.
- the interface of the meeting application may be provided with the following operation controls: screen projection control, microphone control, camera control, meeting member control and meeting minutes control.
- the presenter can open a presentation material such as a PPT, word file, etc. on device A, and then click the screen projection control on device A, and then operate the microphone control on device A to start. speech.
- a presentation material such as a PPT, word file, etc.
- device A after device A receives the trigger operation of the screen projection control, it can transmit the display screen on device A to the server in real time. After device A receives the trigger operation of the microphone control, it can turn on the microphone to record the speaker's speech audio, and transmit the speech audio to the server in real time. In addition to sending the display screen and speech audio, device A also sends the conference ID to the server at the same time.
- the server may send the display screen to a participating device other than device A corresponding to the conference ID, such as device B, according to the conference ID.
- the server converts the sound into subtitle text, and sends the speech audio and subtitle text to the participating devices other than device A corresponding to the conference ID, such as device B.
- device B plays the video and audio and displays the subtitles.
- device A may display the following meeting minutes controls: a "Key Points Record” control, a “To-do Records” control and a “Question and Answer Record” control.
- device A may also display other controls, such as controls corresponding to each conference member. During the meeting, the controls on device A are automatically hidden to ensure that the content of the speech is not blocked. If the presenter needs to operate a certain control, he can call out the control through the preset command.
- the preset instruction may be to operate a preset button, for example, to operate a button to exit full screen.
- FIG. 36 it is a schematic sequence diagram of a method for keynote recording according to some embodiments.
- the presenter can operate the "Key Points Record” control on device A. If the presenter operates the "Key Points Record” control in Figure 35, device A can generate a key point record floating layer according to the control being triggered, and display the floating layer on the current interface of device A.
- the floating layer can be a floating layer with adjustable size and adjustable position, and an input box can be set on the floating layer.
- Device A also records the recorded duration of the multimedia file when the speaker operates the "Key Record” control, and determines the time for the speaker to record the key points according to the duration. For example, if the recorded duration is 10 minutes, the 10th minute is the meeting minutes start recording time.
- the presenter may select text on device A as the meeting point. Referring to FIG. 37, the text selected by the presenter may include "AAAA".
- the method for the presenter to select the text as the main point of the meeting can be: press and hold device A until device A selects a line of text where the presenter's touch point is located or displays a text selection prompt , device A takes the touch point as the starting point, the presenter selects a line of text, moves the touched position, device A can expand the selected position, releases the touch, then takes the position where the presenter releases the touch as the end point, and sets the start point and end point
- the rectangular area between is used as the selected area selected by the user, and the selected area is a coordinate area.
- the text in the selected area is identified/or copied into the key point record floating layer, and the text in the selected area is stored in device A, the text in the selected area can be called the key point text, the key point
- the text serves as the summary data entered by the user, ie the presenter.
- the text selected by the lecturer is the text located in the selected area 501, the text in this area is "AAAA", and the display area of the floating layer of key points records is area 502, which can be an input box.
- the selected area does not support text copying, for example, the selected area is in picture format
- the text in the selected area can be recognized by the OCR (Optical Character Recognition, Optical Character Recognition) algorithm, and then the selected area The text within the area is copied into area 502.
- OCR Optical Character Recognition, Optical Character Recognition
- the main point record floating layer supports size adjustment and position adjustment.
- the key point recording floating layer can be configured to adjust the position after receiving a long press operation. The presenter can drag the key point recording floating layer and release the touch After that, the adjustment of the position of the key point recording floating layer can be completed.
- the main points record floating layer can also be configured to be adjustable in size after receiving a double-click operation, and the presenter can slide the corner position of the key points recording floating layer to adjust the size of the key points recording floating layer.
- the key point record floating layer can also be configured to pop up a control menu after receiving a long press operation, and multiple controls are displayed on the control menu, such as a movement control for moving the position of the floating layer and a size control for adjusting the size of the floating layer.
- the presenter copies the text in a selected area to the main point record floating layer
- if there is still text to be copied in the current interface he selects an area again, and device A will select a new area for the presenter.
- the text in a certain area is superimposed and displayed in the key record floating layer.
- the superimposition method can be set under the last selected text. If the last selected text occupies the area of the key record floating layer, the key record floating layer The last selected text can be moved up to part of the text or all of the text out of the upper boundary of the key record floating layer, so as to clear the display area for the text in the newly selected area, so as to realize the effect of text floating change.
- the main point record floating layer can be provided with a save control. After the presenter clicks on the save control, device A can record the recorded duration of the multimedia file at this time to determine the end time of the meeting minutes.
- device A determines to end the meeting minutes, and transmits the cached user-input meeting minutes data, start recording time, and end time as a key record to the server.
- the format of the highlights record generated by device A is: highlights: ⁇ "text":"AAAA ⁇ BBBB", "time”:t1 ⁇ .
- highlights indicates that the type of the meeting minutes is a key record, text is the text selected by the user, and time is the start recording time of the meeting minutes, that is, t1 is a time, such as 10:00, indicating the start of the meeting minutes
- the start recording time is the 10th minute of the meeting.
- the server can determine whether the key point record is the first meeting minutes corresponding to the meeting ID, if so, generate a meeting_minutes (meeting minutes) list, store the key point record in In the meeting_minutes list, if the key point record is not the first meeting minutes corresponding to the meeting ID, the key point record can be added to the meeting_minutes list.
- the format for storing a highlight record by the server is: [ ⁇ "type”:"highlights”,”text":"AAAA ⁇ BBBB",”time":t1 ⁇ ].
- FIG. 38 it is a schematic sequence diagram of a method for recording to-do items according to some embodiments.
- the presenter can operate the “to-do record” control on device A. If the presenter operates the "to-do item record” control in Figure 35, device A can generate a to-do item record floating layer according to the control being triggered, and display the floating layer on the current interface of device A.
- the floating layer can be a floating layer with adjustable size and adjustable position.
- Device A also records the recorded duration of the multimedia file when the presenter operates the "To-do Record” control, and determines the time for the presenter to record the to-do according to the duration. For example, if the recorded duration is 20 minutes, the 20th minute is The start recording time of this meeting minutes.
- the display area of the to-do record floating layer is area 503, which can be an input box, and the speaker can use voice, touch, or a computer connected to device A in this area 53 Enter a to-do list. If the user inputs voice data, convert the voice data into text data, and use the text data as the summary data input by the user; if the user enters text data in the input box, directly use the text data input by the user as the summary data input by the user .
- the format of the to-do item input by the user is: xx item completed; responsible person: xx; xyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy
- device A After receiving the to-do item input by the user, device A displays the to-do item.
- the floating layer of the to-do list can be provided with a save control. After the presenter clicks on the save control, device A can record the recorded duration of the multimedia file at this time to determine the end time of the meeting minutes.
- device A determines to end the meeting minutes, and transmits the cached user-input meeting minutes data, start recording time, and end time as a key record to the server.
- the format of the to-do item generated by device A is: todo: ⁇ "text": "Complete xx item. Responsible person: xx; x month x day", "time”: t2 ⁇ .
- todo indicates that the type of meeting minutes is a to-do item record, text is the to-do item entered by the user, and time is the start recording time of the meeting minutes, that is, t2 is a moment, such as 20:00, indicating this meeting The start recording time of minutes is the 20th minute of the meeting.
- the server can determine whether the to-do item record is the first meeting minutes corresponding to the meeting ID, and if so, generate a meeting_minutes (meeting minutes) list, the The key points are stored in the meeting_minutes list. If the key points are not the first meeting minutes corresponding to the meeting ID, the to-do record can be added to the meeting_minutes list.
- the format for storing a to-do record on the server is: [ ⁇ "type”:"todo”,”text":"Complete xx item.
- Responsible person xx; x month x day”,"time":t2 ⁇ ].
- FIG. 40 it is a schematic sequence diagram of a method for recording questions and answers according to some embodiments.
- the presenter can operate the "Question and Answer Record” control on device A. If the presenter operates the "Question and Answer Record” control in Figure 35, device A can generate a floating layer of question and answer records according to the control being triggered, and display the floating layer on the current interface of device A.
- the floating layer can be a floating layer with adjustable size and adjustable position.
- Device A also records the recorded duration of the multimedia file when the speaker operates the "Question and Answer Record” control, and determines the time for the speaker to record the question and answer according to the duration. For example, if the recorded duration is 30 minutes, the 30th minute is the meeting minutes start recording time.
- the display area of the question-and-answer record floating layer includes area 504 and area 505 , wherein area 504 is used to display the content of the audience's question, and area 505 is used to display the content of the speaker's answer.
- the area 504 and the area 505 can also be two separate floating layers, so that the presenter can adjust the position and size of these two areas respectively.
- the presenter can give an interactive speech after operating the "Question and Answer Record” control, so as to prompt the audience to interact.
- device B After the speaker's speech audio is transmitted to device B through the server, device B can play the speech audio, and the audience can ask questions after hearing the speech audio.
- an online viewer needs to ask a question, he can operate the "question" control on his own device, such as device B.
- device B After receiving the trigger instruction of the "question” control, device B can generate a question request and send The question request is sent to the server.
- the question request includes the meeting ID and the user ID of device B.
- the server After receiving the question request, the server can send the question request to device A.
- device A After receiving the question request, device A may display a hand-raising icon on the audience control corresponding to the question request, so that the presenter knows that the audience wants to ask questions.
- the presenter can click the icon of the raised hand, and after receiving the operation of clicking the icon of the raised hand, the device A can generate response data agreeing to ask questions, and send the response data to the server.
- the response data includes device B's user ID.
- the server can send the response data to device B according to the user ID, and device B is configured to cancel the mute state of the microphone of device B after receiving the user ID, and update the microphone icon to the recording state, wherein the device After entering the meeting, B is set to mute the microphone by default.
- Viewers can ask questions after seeing the status of the microphone.
- the question can be voice or text.
- all devices except the presenter's and the questioner's devices are muted.
- device B can transmit the voice to device A through the server, so that device A can play the voice.
- the server also conducts voice recognition on the voice sent by device B to obtain the question text, and encapsulates the storage address of the voice sent by device B on the server, the question text, the user ID of device B, the user nickname and other data into a data packet , send the data packet to device A, so that device A displays the question content of device B in area 504, that is, device A can also determine the text data sent by the server from another display device as input on the record floating layer minutes data.
- the format of the data packet encapsulated by the server is as follows:
- device B can package the text, user ID of device B, user nickname and other data into a data packet, and send the data packet to device A, so that device A is in the area 504 displays the question content of device B.
- the format of the data packet encapsulated by the server is as follows:
- device A after receiving the data package encapsulated by the server, device A can extract the audience nickname and question text, and display the audience nickname and question text in area 504 .
- the presenter can reply to the question text.
- the presenter can reply to the question text.
- device A can encapsulate the reply data into the following format:
- device A can transmit the encapsulated question data, answer data and answer audio to the server, and the server can transmit the encapsulated question data, answer data and answer audio to device B, so that device B can play the speaker audio of the response.
- the server can transmit the encapsulated question data, answer data and answer audio to device B, so that device B can play the speaker audio of the response.
- device A determines to end the current audience's question and answer, and device A can generate a question and answer record of the current audience's question and answer in the following format:
- device A After device A generates a question and answer record, it can clear the display data in area 504 and area 505, and the presenter can start the next round of question and answer.
- the question and answer record floating layer may be provided with a save control, after the presenter clicks on the save control. Then send multiple question and answer records and the start record of the question and answer to the server at any time.
- the server stores the question and answer records in the following format:
- time is the time of the minutes of the meeting, that is, t3 is a moment, such as 30:00, indicating that the time range of the minutes of the meeting is the 30th minute of the meeting.
- FIG. 42 is a schematic sequence diagram of a method for integrating meeting minutes according to some embodiments.
- device A may generate and send a request for generating conference minutes to the server according to the received operation of exiting the conference, and the request may include a conference ID.
- the server can obtain multiple record files corresponding to the meeting ID, and generate a multimedia file of the meeting ID according to the start recording time in each record file.
- a hyperlink the hyperlink may be a link capable of jumping to the meeting application, and the jumping position is the corresponding start recording time.
- the server can also arrange record files of the same type adjacent to each other according to the summary type in each record file. It is represented by highlights, the to-do record type is represented by todo, and the to-do record type is represented by qa_record.
- FIG. 43 it is a schematic diagram of an interface of meeting minutes according to some embodiments.
- the conference topic, time, speaker and participants can be determined by the speaker at the conference reservation stage before the meeting starts.
- hyperlinks may not be generated for some minutes type record files such as question and answer record type.
- the presenter after the presenter confirms that the content is correct, he logs into the background of the video conference and clicks to confirm sending, and the server will send emails to all the audience participating in the conference.
- Viewers can jump to multimedia files through the hyperlinks in the text of the email on devices with video conferencing applications installed, such as the specified time of lecture video playback, for example, click on a hyperlink of a meeting key record, then jump to the The start recording time of meeting key points recording.
- the embodiment of the present application generates a floating layer for recording meeting minutes during the meeting, so that the user can input the summary data during the meeting, and determine the initial recording time when inputting the summary data, so that in After the meeting is over, the meeting minutes can be quickly generated according to the summary data input by the user and the start recording time. If the generated meeting minutes need to be edited, the relative position of the summary data in the multimedia file of the meeting can be quickly located according to the start recording time. It does not need to view multimedia files from the beginning, which improves the efficiency of meeting minutes generation.
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Abstract
Description
Claims (18)
- 一种终端,包括存储器和控制器,所述存储器,配置为存储数据和计算机指令,所述控制器,被配置为运行计算机指令使得所述终端:响应于视频会议开始,采集外部声音,其中所述外部声音是指在所述终端周围产生的声音;将所述外部声音对应的语音流发送到服务器,以使所述服务器根据所语音流生成文字内容;和/或,接收服务器发送的文字内容;控制显示器显示所述文字内容;和/或,发送查看会议记录的请求到服务器;接收所述会议记录,所述会议记录根据所述文字内容生成。
- 根据权利要求1所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:在会议启动后,实时录制所述会议的多媒体文件;接收用户输入的会议纪要控件的触发操作;响应于所述会议纪要控件的触发操作,在会议界面生成并显示用于记录会议纪要的浮层,获取所述记录文件浮层上输入的纪要数据;在所述用户退出所述记录文件浮层时,生成包含起始记录时刻和所述纪要数据的记录文件,所述起始记录时刻为所述浮层生成时所述多媒体文件的录制时刻;向服务器发送所述记录文件,使服务器根据所述会议的全部记录文件生成会议纪要。
- 根据权利要求2所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:获取用户在所述会议界面框选的坐标区域;对所述坐标区域内的图像进行文本识别,将识别出的文本确定为记录浮层上输入的纪要数据,并将识别出的文本添加到所述记录浮层的输入框中。
- 根据权利要求2所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:获取用户在所述记录浮层的输入框中输入的文本数据,将所述输入框中输入的文本数据确定为所述记录浮层上输入的纪要数据。
- 根据权利要求2所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:获取用户在所述记录浮层的输入框中输入的语音数据,将所述语音数据转换为文本数据,将转换得到的文本数据确定为所述记录浮层上输入的纪要数据。
- 根据权利要求2所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:获取服务器发送的来自另一终端的文本数据,将所述服务器发送的来自另一终端的文本数据确定为所述记录浮层上输入的纪要数据。
- 根据权利要求2所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:生成包含纪要类型、起始记录时刻以及所述纪要数据的记录数据,其中,所述纪要类型包括要点记录类型、待办事项记录类型和问答记录类型。
- 根据权利要求7所述的终端,所述会议纪要控件为要点记录控件或待办事项记录控件或问答记录控件,所述纪要类型根据所述会议纪要控件的控件数据中得到,所述要点记录控件的控件数据中的纪要类型为要点记录类型,所述待办事项记录控件的控件数据中的纪要类型为待办事项记录类型,所述问答记录控件的控件数据中的纪要类型为问答记录类型。
- 根据权利要求2所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:根据起始记录时刻生成超链接,所述超链接被配置为跳转至所述多媒体文件的起始记录时刻。
- 根据权利要求1所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:在控制显示器显示按初始顺序显示的多个视频通话窗口时,获取用户输入的用于调整视频通话窗口显示顺序的控制指令;响应于所述控制指令,从所述控制指令中提取目标窗口识别信息和自定义顺序,所述目标窗口为所述控制指令中指定的被调整显示顺序的视频通话窗口;根据目标窗口识别信息,获取所述目标窗口的通话数据流;按照所述自定义顺序,使用所述通话数据流替换所述用户界面中视频通话窗口的显示内容。
- 根据权利要求10所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:在获取用户输入的用于调整视频通话窗口显示顺序的控制指令的步骤中,检测用户输入的第一交互动作,所述第一交互动作为用于触发窗口设置界面的交互动作;响应于所述第一交互动作,显示窗口设置界面,所述窗口设置界面中包括视频通话窗口选项;检测用户基于所述视频通话窗口选项输入的第二交互动作,所述第二交互动作为用于定义显示顺序的交互动作;记录所述第二交互动作依次选中的视频通话窗口选项,以生成所述自定义顺序。
- 根据权利要求10所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:在根据目标窗口识别信息,获取所述目标窗口的通话数据流的步骤中,遍历所述目标窗口的用户ID;向服务器发送数据订阅请求,所述数据订阅请求包括所述用户ID;接收所述服务器针对所述数据订阅请求反馈的数据流通道信息,以连接所述用户ID对应的数据流通道,获取所述通话数据流。
- 根据权利要求10所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:在使用所述通话数据流替换所述用户界面中视频通话窗口的显示内容的步骤中,按照所述原始顺序,提取每个所述视频通话窗口的原用户ID;按照所述自定义顺序,提取每个目标窗口的现用户ID;如果所述原用户ID与所述现用户ID不同,使用所述目标窗口的通话数据流替换所述视频通话窗口中的显示内容;如果所述原用户ID与所述现用户ID相同,保留所述视频通话窗口的显示内容。
- 根据权利要求13所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:检测所述目标窗口是否开启视频功能;如果所述目标窗口已开启视频功能,获取所述目标窗口的通话数据流,以使用所述通话数据流替换视频通话窗口中的显示内容;如果所述目标窗口未开启视频功能,获取现用户ID对应的识别画面,以在所述视频通话窗口中显示所述识别画面。
- 根据权利要求10所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:获取用户输入的用于开启或加入多人视频对话的入会指令;响应于所述入会指令,从所述服务器获取参会列表信息,所述参会列表信息包括用户ID和音视频状态;根据所述参会列表信息设置所述初始顺序;按照所述初始顺序,在所述用户界面中绘制多个视频通话窗口。
- 根据权利要求15所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:在根据所述参会列表信息设置所述初始顺序的步骤中,获取当前视频对话中为所述用户ID设置的身份信息;基于所述身份信息设置第一优先级;从所述音视频状态中解析音频开关值和视频开关值;根据所述音频开关值和视频开关值计算判断值,所述判断值为所述音频开关值和视频开关值的加权求和结果;基于所述判断值设置第二优先级,所述第一优先级高于所述第二优先级。
- 根据权利要求16所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:监听所述用户界面中每个视频通话窗口的音视频状态;如果任一所述视频通话窗口的音视频状态发生改变,根据改变后的音视频状态重新计算第二优先级;按照重新计算的第二优先级调整所述视频通话窗口的显示顺序。
- 根据权利要求10所述的终端,所述控制器,还被配置为运行计算机指令使得所述终端:在使用所述通话数据流替换所述用户界面中视频通话窗口的显示内容的步骤中,获取所述目标窗口数量和所述用户界面的窗口总数量;如果所述目标窗口数量小于所述窗口总数量,将所述用户界面中的第一窗口替换为所述目标窗口的通话数据流;所述第一窗口为所述用户界面中的所述目标窗口数量个视频对话窗口;按照所述初始顺序在所述用户界面中显示第二窗口的通话数据流,所述第二窗口为所述用户界面中除所述第一窗口外的视频对话窗口。
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CN104427292A (zh) * | 2013-08-22 | 2015-03-18 | 中兴通讯股份有限公司 | 会议纪要的提取方法及装置 |
CN110324723A (zh) * | 2018-03-29 | 2019-10-11 | 华为技术有限公司 | 字幕生成方法及终端 |
CN109309804A (zh) * | 2018-09-29 | 2019-02-05 | 芜湖星途机器人科技有限公司 | 一种智能会议*** |
CN111986677A (zh) * | 2020-09-02 | 2020-11-24 | 深圳壹账通智能科技有限公司 | 会议纪要生成方法、装置、计算机设备及存储介质 |
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