WO2019179399A1 - 数据传输装置以及数据传输方法 - Google Patents

数据传输装置以及数据传输方法 Download PDF

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Publication number
WO2019179399A1
WO2019179399A1 PCT/CN2019/078554 CN2019078554W WO2019179399A1 WO 2019179399 A1 WO2019179399 A1 WO 2019179399A1 CN 2019078554 W CN2019078554 W CN 2019078554W WO 2019179399 A1 WO2019179399 A1 WO 2019179399A1
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WIPO (PCT)
Prior art keywords
data
format
microprocessor
data transmission
screen
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PCT/CN2019/078554
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English (en)
French (fr)
Inventor
母燕雄
Original Assignee
广州视源电子科技股份有限公司
广州视睿电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 广州视源电子科技股份有限公司, 广州视睿电子科技有限公司 filed Critical 广州视源电子科技股份有限公司
Priority to SG11202009055RA priority Critical patent/SG11202009055RA/en
Priority to KR1020207015225A priority patent/KR102408273B1/ko
Priority to CN201980004964.4A priority patent/CN111316224A/zh
Priority to EP19772133.5A priority patent/EP3757752A4/en
Priority to AU2019239357A priority patent/AU2019239357B2/en
Priority to JP2020546869A priority patent/JP2022500883A/ja
Publication of WO2019179399A1 publication Critical patent/WO2019179399A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04162—Control or interface arrangements specially adapted for digitisers for exchanging data with external devices, e.g. smart pens, via the digitiser sensing hardware
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0016—Inter-integrated circuit (I2C)
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042—Universal serial bus [USB]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/02—Handling of images in compressed format, e.g. JPEG, MPEG
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/16—Use of wireless transmission of display information
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00—Aspects of data communication
    • G09G2370/20—Details of the management of multiple sources of image data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the embodiments of the present invention relate to the field of intelligent conference technologies, and in particular, to a data transmission apparatus and a data transmission method.
  • the principle of the prior art wireless screen is to install a driver on a processing device (such as a person's personal computer or mobile phone), and the driver will capture the screen of the processing device at a fixed frequency after running, and capture the captured image.
  • the data is compression-encoded and transmitted to the wireless transmitter inserted into the processing device through the USB interface, and the wireless module of the wireless transmitter transmits the data to the conference large-screen tablet in the communication network for decoding and display.
  • the current problem is: the download of the driver, and the driver must be installed on the processing device. The installation process is time consuming and greatly affects the efficiency of the conference.
  • the embodiment of the invention provides a data transmission device and a data transmission method, so as to realize drive-free screen transmission, reduce preparation time before screen transmission and not occupy resources of the terminal device.
  • an embodiment of the present invention provides a data transmission apparatus, where the data transmission apparatus includes a TypeC interface, a wireless module, a first data conversion chip, and a microprocessor; the TypeC interface and the first data conversion chip. Connected, the first data conversion chip is connected to the TypeC interface and the microprocessor, and the microprocessor is connected to the wireless module;
  • the TypeC interface is configured to receive media data in a DP protocol format, where the media data is a media content displayed on a screen of the terminal device;
  • the first data conversion chip receives media data in a DP protocol format sent by the TypeC interface, and converts the media data into first format data;
  • the microprocessor is configured to receive the first format data, and compress and encode the first format data into second format data;
  • the wireless module is configured to send the second format data.
  • the first format data includes video data in MIPI format and/or audio data in I2S format.
  • the second format data includes video data in the H.264/H.265 format and/or audio data in the AAC format. Both the first format data and the second format data adopt a universal audio and video transmission protocol to improve versatility.
  • the data transmission device provided in this embodiment includes a TypeC interface, and the TypeC interface can directly obtain the media data in the DP protocol format output by the terminal device.
  • the user terminal device In the working mode of the DP (DisplayPort), the user terminal device does not need to install a specific driver. It is possible to send the media content containing the video data as well as the audio data to the data transmission device.
  • the data transmission apparatus includes a first data conversion chip capable of converting media data of the DP protocol format into the first format data, a microprocessor converting the first format data into the second format data, and transmitting the second format data to the wireless communication Wireless module in the network.
  • the data transmission device When the TypeC interface of the data transmission device is inserted into the terminal device of the user, the data transmission device automatically acquires the media content displayed on the screen of the terminal device through the TypeC interface and sends the content to the communication network, so that the screen can be transmitted to the communication network without installing the driver.
  • the other network nodes perform display, and the compressed data is transmitted to the wireless module by using the USB interface in the prior art.
  • the embodiment of the invention has the function of driving-free transmission, reducing the preparation time before the screen is transmitted, and does not occupy the processing device resources. effect.
  • the data transmission device further includes a triggering device, configured to receive a first user operation, the first user operation is a screen trigger signal; the first user operation is used to trigger the microprocessor Converting the first format data into the second format data, and for triggering the wireless module to send the second format data.
  • a triggering device configured to receive a first user operation, the first user operation is a screen trigger signal; the first user operation is used to trigger the microprocessor Converting the first format data into the second format data, and for triggering the wireless module to send the second format data.
  • the triggering device is configured to control the compression encoding action of the microprocessor and the sending action of the wireless module.
  • the triggering device may be specifically a physical input device, such as a button disposed on the data transmission device or a remote controller wirelessly connected to the data transmission device.
  • the microprocessor discards the received first format data before the triggering device receives the first user operation, thereby reducing unnecessary compression encoding and transmitting actions.
  • the microprocessor After receiving the trigger of the first user operation, the microprocessor starts compression coding, compresses and encodes the first format data into the second format data, and transmits the second format data through the wireless module.
  • the TypeC interface includes at least one pair of differential signaling pins, and at least one pair of the differential signaling pins are configured to receive media data in a DP protocol format.
  • the terminal device calls the DP (DisplayPort) driver pre-installed in the operating system to obtain media data including media content, including video data and audio data, from the display memory, and encapsulates it according to the DP (DisplayPort) protocol, and passes the USB-Type-
  • the differential signal transmission pin of the C interface is sent to the differential signal transmission pin in the TypeC interface 21, and specifically, the media content includes, but is not limited to, the content displayed on the screen of the terminal device.
  • the terminal device calls the DP (DisplayPort) driver pre-installed in the operating system, and sets the differential signal transmission pin pair of the USB-Type-C interface on the terminal device to work in the DP (DisplayPort) mode, and the TypeC on the data transmission device.
  • the differential signal transmission pin of the interface transmits the media data in the DP protocol format, so that the data transmission device can be driven to be driven when inserted into the user's terminal device.
  • the TypeC interface further includes a pairing communication pin, where the pairing communication pin is configured to send a first request signal, where the first request signal is used to request the terminal device to transmit to the at least one pair of the differential signals.
  • the pin sends media data in the DP protocol format.
  • the pairing communication pin is further configured to send a second request signal, where the second request signal is used to request the terminal device to supply power according to the power supply requirement of the data transmission device.
  • the pairing communication pin is a CC pin of the USB-Type-C.
  • USB-Type-C is a universal interface, it is pre-installed in the user's terminal equipment and data transmission device, and the two can be connected to operate without drive.
  • the TypeC interface further includes a USB 2.0 data transmission pin, and the USB 2.0 data transmission pin is connected to the microprocessor.
  • the wireless module is further configured to receive a touch signal from the communication network and transmit the signal to the terminal device through the USB2.0 data transmission pin.
  • the microprocessor is further configured to encapsulate the touch signal received by the wireless module from the communication network into a HID device format signal.
  • the TypeC interface also includes a USB 2.0 data transmission pin connected to the microprocessor, through which the control information of the other device to the terminal device can be transmitted back to the terminal device for interaction. At the same time, the control information can be selectively encapsulated into a HID format signal in the micro-processing. Since the HID format is a format supported by the major mainstream operating systems, the terminal device can directly respond to the HID format signal without using the terminal. The dedicated driver is developed on the setup to save development effort and improve universality.
  • the data transfer device further includes a memory electrically coupled to the microprocessor; the memory storing an executable program; the executable program being operative to be downloaded to the terminal device, the executable program further
  • the terminal device is triggered to acquire the media content when the terminal device is running, and triggers the terminal device to compress and encode the acquired media content into USB2.0 data;
  • the microprocessor is configured to acquire the executable program from the memory when triggered And sending the executable program to the terminal device; the microprocessor is further configured to send the received USB2.0 data through the wireless module.
  • the corresponding pin of the USB2.0 data transmission pin of the terminal device can be a pin in the USB-Type-C socket, or a pin in the USB2.0 socket or the USB3.0 socket, when the terminal device has a USB- In the Type-C socket, the data transmission device can directly insert the TypeC interface 21 into the socket, and transmit the media data in the DP protocol format by using the differential signal transmission pin, and the USB2.0 data transmission pin of the terminal device and the data transmission device are connected. , can transfer other data.
  • the terminal device does not have a USB-Type-C socket, only the USB2.0 socket or the USB3.0 socket, only need to connect a TypeC socket to a USB2.0 plug or a USB3.0 plug on the TypeC interface of the data transmission device.
  • the interface converter, the data transmission device can be inserted into the corresponding socket of the terminal device, the terminal device can download the program from the data transmission device, and then compress and encode the media content of the terminal device into USB2.0 data and output the data through the USB2.0 data transmission.
  • the pins are transmitted to the data transmission device to improve the compatibility of the data transmission device.
  • the data transmission device further includes a second data conversion chip, the first data conversion chip being connected to the microprocessor through the second data conversion chip, and the DP received by the data transmission device through the TypeC interface
  • the media data of the protocol format can be formatted by two conversion chips, which can reduce the difficulty of device sourcing in the development process.
  • Another aspect of this embodiment provides a data transmission method, including:
  • the processor or the first data conversion chip identifies the connection with the terminal device through the TypeC interface; and sends a first request signal to the terminal device through the pairing communication pin of the TypeC interface, where the first request signal is used to request the terminal device to Transmitting, by a pair of differential signal transmission pins, media data in a DP protocol format; receiving a first user operation, receiving, by the differential signal transmission pin, media data in a DP protocol format, where the media data is included on a terminal device from the user At least one of video data or audio data; converting the media data into the first format data; compressing and encoding the first format data into the second format data according to the encoding scheme, wherein the second format data is a compressed media data stream; The compressed media data stream is transmitted over a communication network; and the touch signal is received from the communication network and transmitted to the terminal device.
  • receiving the second user operation stopping compressing and encoding the first format data into the second format data; wherein, the second user operation is to stop the screen signal; and the received first format data is discarded.
  • the second request signal is sent to the terminal device by using the pairing communication pin of the TypeC interface, where the second request signal is used to request the terminal device to supply power according to the power supply requirement of the data transmission device.
  • Another aspect of the embodiment further provides a data transmission method, which is applied to a wireless screen, wherein the wireless screen comprises a TypeC interface, a wireless module, a data conversion chip, and a microprocessor; and the TypeC interface Connected to the data conversion chip, the data conversion chip is respectively connected to the TypeC interface and the microprocessor, and the microprocessor is connected to the wireless module;
  • the connection between the TypeC interface of the wireless transceiver and the TypeC receiving port of the terminal device is powered on;
  • Formatted media data
  • the data conversion chip receives media data in a DP protocol format through the differential signal transmission pin, wherein the media data includes at least one of video data or audio data displayed on a screen from the terminal device;
  • the microprocessor receives a screen start command
  • the microprocessor compresses the video data of the MIPI format and/or the audio data of the I2S format into data of H.264/H.265 format and/or data of AAC format;
  • the microprocessor transmits the H.264/H.265 format data and/or the AAC format data to the conference display device for display through the wireless module.
  • the data transmission device of the technical solution adopts a TypeC interface, and the TypeC interface can directly obtain the media data of the DP protocol format output by the terminal device.
  • the user terminal device In the working mode of the DP (DisplayPort), the user terminal device does not need to install a specific driver.
  • the media content containing the video data as well as the audio data can be sent to the data transmission device free of drive.
  • the data transmission apparatus includes a first data conversion chip capable of converting media data of the DP protocol format into the first format data, a microprocessor converting the first format data into the second format data, and transmitting the second format data to the wireless communication Wireless module in the network.
  • the data transmission device When the TypeC interface of the data transmission device is inserted into the terminal device of the user, the data transmission device automatically acquires the media content displayed on the screen of the terminal device through the TypeC interface and sends the content to the communication network, so that the screen can be transmitted to the communication network without installing the driver.
  • the other network nodes perform display, and the compressed data is transmitted to the wireless module by using the USB interface in the prior art.
  • the embodiment of the invention has the function of driving-free transmission, reducing the preparation time before the screen is transmitted, and does not occupy the processing device resources. effect.
  • FIG. 1 is a schematic structural diagram of an embodiment of a peripheral device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of another embodiment of a peripheral device according to an embodiment of the present invention.
  • Figure 3 is a pin diagram of the TypeC interface
  • FIG. 4 is a schematic structural diagram of another embodiment of a peripheral device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an implementation manner of a conference tool according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of another embodiment of a conference tool according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of an implementation manner of a conference tool system according to an embodiment of the present invention.
  • first, second, third, etc. in the specification and the claims are used for the purpose of describing the same technical features only, and are not to be construed as indicating or implying the relative importance or implicitly indicating the indicated technical features.
  • the number does not necessarily describe the order or chronological order. Terms are interchangeable where appropriate.
  • features defining "first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the term “connected” is used in the specification and claims, and should not be construed as being limited to the direct connection.
  • the expression “device A is connected to device B” should not be limited to the device or system in which device A is directly connected to device B, which means that there is a path between device A and device B, which may be a path including other devices or tools.
  • the data transmission device works between the processing device and the large-screen display device.
  • the data transmission device may be a wireless screen device;
  • the processing device may be a personal computer, a PAD or a mobile phone;
  • the large-screen display device may be a conference.
  • the smart tablet or the conference display device used in the embodiment of the present invention is not limited thereto.
  • the wireless screen device processes the audio and video data displayed on the screen of the processing device, so that the data can be displayed on the large-screen display device for more people to watch and share.
  • the wireless transmitter and the processing device are connected through a USB interface for data transmission. Since the USB interface is a serial bus, the video output function is not supported by itself, and the operating system of the processing device does not output the information on the screen.
  • the wireless screen is therefore required to separately design a driver to take a screen shot of the data of the processing device's screen and send it to the wireless screen through the USB interface, and the wireless screen is forwarded to the large screen display device for display.
  • a driver is pre-stored in the wireless screen.
  • the processing device is connected to the wireless screen, the driver is automatically downloaded to the processing device, and the processing device runs the program. After the driver runs, the driver runs.
  • the screen of the processing device is captured at a fixed frequency, and the captured screen data is transmitted to the wireless screen.
  • FIG. 1 is a schematic structural diagram of an embodiment of a peripheral device according to an embodiment of the present invention.
  • the peripheral device 10 includes a screen data receiving port 11 and a wireless module 12; the screen data receiving port 11 is configured to connect to a video signal interface of the processing device, and acquire uncompressed first audio and video data output by the video signal interface;
  • the processing device has a first processor, a video signal interface, and a first display, the first processor is installed with a first operating system, and the first operating system is pre-installed with the audio signal interface and the peripheral device for sounding
  • a universal driving protocol for video communication the media content corresponding to the first audio and video data being the same as the media content displayed on the first display.
  • the screen data receiving port 11 is connected to the wireless module 12; the wireless module 12 is configured to communicate with the wireless communication network, and transmit the received first audio and video data to a network node paired with the wireless communication network.
  • the processing device in the specification and the claims refers to a device including a first processor and a first display, and the first processor is installed with a first operating system, such as a notebook computer, a mobile phone or a tablet computer, etc., as defined by the above features.
  • a first operating system such as a notebook computer, a mobile phone or a tablet computer, etc.
  • the video signal interface referred to in the embodiment of the present invention the process of performing audio and video communication with the peripheral device is restricted by the universal driving protocol preinstalled by the first operating system, and the driver is not required to be installed on the first operating system.
  • the pre-installed universal drive protocol communicates with peripheral devices for audio and video, and audio and video communication includes output of audio and video data.
  • a general processing device is provided with multiple interfaces, such as a power interface, a USB interface, an AUX interface, an HDMI interface, or a VGA interface.
  • the AUX interface is an audio interface, which is pre-installed based on the first operating system in the processing device.
  • the universal driving protocol when a peripheral device (such as a headphone or a speaker) having an AUX interface is connected to the processing device through the AUX interface, the audio output from the first processor to the speaker in the processing device at this time is acquired.
  • a video signal interface such as an HDMI interface, a VGA interface, or a DP interface is an interface for transmitting audio and video data, and is also based on a universal driving protocol preinstalled by the first operating system, that is, an audio and video data format output by these video signal interfaces. It is an audio and video data output format supported by the native system and can be transmitted to peripheral devices without conversion such as compression encoding.
  • the peripheral device connects to the processing device through the video signal interface, the first audio and video data output by the processor in the processing device at this time is acquired, and the media content corresponding to the first audio and video data and the media currently displayed by the first display are obtained. The content is the same.
  • the video signal interface referred to in the embodiment of the present invention is an HDMI interface, a VGA interface, or a DP interface on the processing device, and can output the uncompressed first audio and video data directly based on a universal driving protocol preinstalled by the operating system. interface.
  • the screen data receiving port 11 is a corresponding interface that can be connected to the video signal interface.
  • the wireless module 12 is a modular product implemented by means of wireless communication technology that can transmit received signals in a wireless form to a wireless communication network such that signals are captured by network nodes in the wireless communication network.
  • the peripheral device 10 provided in this embodiment includes the screen data receiving port 11 and the wireless module 12 connected to each other, so that the screen data of the processing device can be directly acquired and sent to other network nodes in the wireless communication network for video screen. display.
  • the screen data receiving port 11 on the peripheral device 10 is set as a plug, and the video signal interface on the processing device is a socket.
  • the interface of the processing device is a socket
  • the interface of the peripheral device is a plug as an example to elaborate the technical solution.
  • the screen data receiving port 11 of the peripheral device 10 can be inserted into the video signal interface of the personal computer, and the network node module of the large screen tablet for the conference and the wireless module 12 of the peripheral device 10 are in the same wireless communication network.
  • the audio and video data corresponding to the display screen of the personal computer can be transmitted to the large screen tablet for the conference, and the wireless screen can be realized without downloading the driver on the personal computer.
  • the peripheral device provided by the embodiment of the present invention may have another implementation manner.
  • the screen data receiving port 11 and the wireless module 12 are not directly connected but connected by a microprocessor.
  • the microprocessor is connected to the screen data interface 11, the microprocessor is used for compression encoding the first audio and video data, the wireless module 12 is also connected to the microprocessor, and the wireless module is used for communicating with the wireless communication network. And transmitting, by the received first audio and video data, to a network node paired with the wireless communication network. Since the peripheral device performs wireless transmission, the wireless transmission method has strict requirements on the amount of data to be transmitted, and the wireless module also needs to complete the pairing with the network node in the external communication network. Therefore, it is generally required to add a micro processing to the peripheral device. The device enables the peripheral device to have the corresponding processing capability.
  • the peripheral device may be a data transmission device or a wireless transmitter.
  • this embodiment provides a plurality of improvements to the type of the screen data receiving port and the structure inside the peripheral device. It should be noted that the various improvements described below can be freely combined to form a more preferred embodiment according to actual needs, with the necessary conditions and without contradicting each other.
  • a first improvement of this embodiment is to design a Type C interface 21 including the one shown in FIG. 2 for the data transmission device.
  • the differential signal transmission pin in the Type C interface 21 is a screen data receiving port.
  • the uncompressed first audio and video data output by the video signal interface of the processing device is DP audio and video data, and the video signal interface may be a TypeC interface.
  • the data transmission device is a data transmission device in a conference, teaching, medical consultation or other multi-person sharing scenario, and is mainly used for a user's personal computer device (for example, a computer or tablet pre-installed with windows, mac or Linux).
  • the mobile phone, etc., hereinafter referred to as the processing device) the sound image screen or the media content is sent to a large-size display or a large-sized touch display (such as a smart interactive tablet) for display sharing.
  • the data transmission device provided by the embodiment can eliminate the installation of a dedicated driver (such as a screen capture program) on the processing device of the user, and can transmit the sound image screen and the media content on the user's processing device. Up to large display or large touch display.
  • the data transmission device receives the sound image screen and the media content sent by the processing device through the drive and interface pre-installed by the processing system itself.
  • the data transmission device includes the TypeC interface 21 mentioned above, that is, USB-Type-C, which will hereinafter be referred to as the TypeC interface 21, which is a hardware interface specification of a universal serial bus (USB), which has a more Fast transfer speed (up to 10Gbps) and more powerful power transfer (up to 100W), and compatible with USB2.0, USB3.0 and DP (DisplayPort).
  • USB-Type-C which will hereinafter be referred to as the TypeC interface 21, which is a hardware interface specification of a universal serial bus (USB), which has a more Fast transfer speed (up to 10Gbps) and more powerful power transfer (up to 100W), and compatible with USB2.0, USB3.0 and DP (DisplayPort).
  • USB universal serial bus
  • the TypeC interface 21 has 24 pins, including two rows of pins with the same function.
  • pins A1 to A12 in Figure 3 are one row, and pins B1 to B12 are another row, supporting positive or negative insertion.
  • the TypeC interface 21 includes two pairs of power pins, four pairs of differential pins, and a CC pin for pairing communication when the pair is paired.
  • the two pairs of power pins are shown in Figure 3, A9, B4, B9, A4, and four pairs.
  • the differential pins are shown in Figure 3 for A11, B2, A10, B3, A4, B10, A2, and B11.
  • the CC pin is shown in Figure 3, A5.
  • TX+, TX-, RX+ and RX- in each set of pins are differential signal transmission pins, and each set of differential signal transmission pins supports working in USB mode or DP (DisplayPort) mode.
  • DP DisplayPort
  • the signal transmission pin pair transmits the USB3.0 signal; when the differential signal transmission pin pair operates in the DP mode, the signal transmission pin pair acts as the DP (DisplayPort) ) Interface used.
  • the solution of the embodiment of the present invention can be implemented by the following methods:
  • the TypeC receiving port may be a USB-Type-C interface
  • the processing device passes the Type- The power pin of the C receiving port provides a basic operating voltage to the data transmission device, which can be 5V or other voltage, and the data transmission device starts to work under the power supply of the base voltage.
  • the TypeC interface may be a hardware interface, and has a pin as shown in FIG. 3; in particular, the data transmission device may be powered by power pins A9, B4, B9, and A4. It should be noted that the foregoing connection may be a direct connection or an indirect connection. In this embodiment, the connection manner is not limited.
  • the processing device sends an inquiry data packet to the data transmission device through the CC pin of the USB-Type-C interface, and the inquiry data packet may be a VDM (Vendor Defined Message) signal, and the data transmission is performed.
  • VDM Vehicle Defined Message
  • the device After receiving the VDM signal, the device sends a response message to the processing device through the CC pin in the TypeC interface 21, and the response information includes the current working mode of the data transmission device or the supported working mode is DP (DisplayPort) mode.
  • the response information may also include information such as a specific power supply range of the data transmission device.
  • the processing device After receiving the response information sent by the data transmission device, the processing device adjusts the power supply voltage to the data transmission device according to the power supply range information; at the same time, the processing device identifies the current working mode of the data transmission device or the supported working mode is DP (DisplayPort In the mode, the USB-Type-C interface of the processing device is set to work in the DP (DisplayPort) mode, and the processing device operating system is pre-installed with the DP (DisplayPort) driver, and the differential pin in the USB-Type-C interface of the processing device is processed.
  • the media content including audio and video is transmitted to the data transmission device, and the content may be media data in a DP protocol format, including but not limited to content displayed on a display screen of the processing device.
  • the differential signal transmission pin is used to transmit the differential signal.
  • the differential signal transmission pin may be four pairs of differential pins. See A11, B2, A10, B3, A4, B10, A2, B11 in Figure 3.
  • this step is an optional step. If the microprocessor of the data transmission device cannot directly support converting the media data of the DP protocol format into the data of the H.264/H.265 format and/or the data of the AAC format, the data transmission device needs to first media the DP protocol format.
  • the data is converted to a data format that the microprocessor can process.
  • a data conversion chip may be added to the data transmission device, and the media data in the DP protocol format may be converted into video data in the MIPI format and/or audio data in the I2S format.
  • MIPI Mobile Industry Processor Interface
  • MIPI Mobile Industry Processor Interface
  • MIPI Mobile Industry Processor Interface
  • MIPI Mobile Industry Processor Interface
  • MIPI is an open standard and a specification developed by the MIPI Alliance for mobile application processors. It mainly interfaces to mobile devices such as cameras, display interfaces, and RF/baseband interfaces. Standardized integration; I2S (Inter-IC Sound) integrated bus for data transfer between audio devices.
  • step 4) is a mandatory step, the MIPI format video data and/or the I2S format audio data is compressed by the microprocessor into H.264/H.265 format data and/or AAC format.
  • step 4) is an optional step, the media data in the DP protocol format can be directly compressed into data of H.264/H.265 format and/or data of AAC format. The compressed data can occupy less bandwidth and can transmit more data under the same transmission requirements.
  • the compressed data can be sent to the large-screen display device for display through the wireless network.
  • the wireless network may be a Wi-Fi network, a 3G/4G/5G communication network, or another network with data transmission function. This embodiment does not limit the type of the wireless network.
  • the command compresses the above data, compresses it and sends it to the large-screen display device for display through the wireless network.
  • the large-screen display device has a touch function, and can receive the touch operation of the user in real time, and the large-screen display device converts the touch operation into a touch signal, and transmits the touch signal through a wireless network.
  • the data transmission device sends the touch signal to the processing device, and the processing device responds to the touch signal or activates a corresponding application according to the touch signal, so as to implement a touch return function and increase the experience of human-computer interaction.
  • the wireless screen device since the operating system of the processing device supports audio and video data transmission through the DP (DisplayPort) interface, the wireless screen device directly adopts its own TypeC interface by redesigning the wireless screen device. Connected to the TypeC interface of the processing device, the processing device directly sends the media data in the DP protocol format to the wireless transmitter through the TypeC interface. In the working mode of the DP (DisplayPort), the processing device can transmit the media content including the audio and video data to the wireless screen without driving a specific driver, thereby saving the driver from the wireless screen. The time to the processing device also saves time for the processing device to install the driver, which improves the efficiency of the meeting.
  • the processing device uses the DP (DisplayPort) interface data transmission device to transmit audio and video data.
  • DP (DisplayPort) interface has high data bandwidth, supports up to 40G bandwidth, and DP (DisplayPort) interface transmits uncompressed data, compared with other compression technologies, H.264, etc., DP (DisplayPort) interface transmission The data has better picture quality.
  • the solution of this embodiment can be implemented by providing a data conversion chip in the data processing device, the chip being capable of running the DP protocol.
  • the data processing device is taken as an example of a wireless screen.
  • the wireless transmitter includes a TypeC interface, a wireless module, a data conversion chip, and a microprocessor; the TypeC interface is connected to the data conversion chip, and the data conversion chip is respectively connected to the TypeC interface and the microprocessor, and the micro The processor is connected to the wireless module.
  • the TypeC receiving port may be a USB-Type-C interface
  • the processing device passes the Type.
  • the power pin of the -C receiver provides the base operating voltage to the data transmission device.
  • the operating voltage can be 5V or other voltage
  • the data transmission device starts operating under the power of the base voltage.
  • the TypeC interface may be a hardware interface, and has a pin as shown in FIG. 3; in particular, the data transmission device may be powered by power pins A9, B4, B9, and A4.
  • the foregoing connection may be a direct connection or an indirect connection. In this embodiment, the connection manner is not limited.
  • the data conversion chip of the wireless screen transmits a request signal to the terminal device through the pairing communication pin of the TypeC interface, and the request signal is used to request the terminal device to send the DP protocol to the at least one pair of differential signal transmission pins. Formatted media data;
  • the processing device sends an inquiry data packet to the data transmission device through the CC pin of the USB-Type-C interface, and the inquiry data packet may be a VDM (Vendor Defined Message) signal, and the data transmission is performed.
  • VDM Vehicle Defined Message
  • the device After receiving the VDM signal, the device sends a response message to the processing device through the CC pin in the TypeC interface 21, and the response information includes the current working mode of the data transmission device or the supported working mode is DP (DisplayPort) mode.
  • the response information may also include information such as a specific power supply range of the data transmission device.
  • the processing device After receiving the response information sent by the data transmission device, the processing device adjusts the power supply voltage to the data transmission device according to the power supply range information; at the same time, the processing device identifies the current working mode of the data transmission device or the supported working mode is DP (DisplayPort In the mode, the USB-Type-C interface of the processing device is set to work in the DP (DisplayPort) mode, and the processing device operating system is pre-installed with the DP (DisplayPort) driver, and the differential pin in the USB-Type-C interface of the processing device is processed.
  • the media content including audio and video is transmitted to the data transmission device, and the content may be media data in a DP protocol format, including but not limited to content displayed on a display screen of the processing device.
  • the data conversion chip of the wireless screen transceiver receives the media data in the DP protocol format through the differential signal transmission pin, wherein the media data includes at least one of video data or audio data from the processing device;
  • the data conversion chip of the wireless screen converts the media data into the first format data
  • the data conversion chip of the wireless screen converts the media data in the DP protocol format into video data in the MIPI format and/or audio data in the I2S format.
  • the data conversion chip of the wireless screen transmitter sends the video data of the MIPI format and/or the audio data of the I2S format to the microprocessor of the wireless screen device;
  • the microprocessor of the wireless screen device starts to compress the video data of the MIPI format and/or the audio data of the I2S format into data of the H.264/H.265 format and/or when receiving the screen output command output by the user. Data in AAC format; otherwise, discarding video data in MIPI format and/or audio data in I2S format;
  • the microprocessor of the wireless screen transmitter can receive the screen transmission command through the screen button of the wireless screen transmitter; wherein the screen button of the wireless screen transmitter is a hardware button, which is disposed on the upper surface of the wireless screen transmitter. Or the side; the screen button of the wireless screen can also be a soft button, which is implemented by a program, is set on the interface of the display screen of the wireless screen, or is set on the display interface of the processing device, and the user can click through
  • the soft key initiates compression and encoding of video data in MIPI format and/or audio data in I2S format.
  • the compressed data of the H.264/H.265 format and/or the data of the AAC format are transmitted to the large-screen display device for display through the wireless network.
  • the wireless network may be a Wi-Fi network, a 3G/4G/5G communication network, or another network with data transmission function. This embodiment does not limit the type of the wireless network.
  • the large-screen display device has a touch function, and can receive the touch operation of the user in real time, and the large-screen display device converts the touch operation into a touch signal, and transmits the touch signal through a wireless network.
  • the data transmission device sends the touch signal to the processing device, and the processing device responds to the touch signal or activates a corresponding application according to the touch signal, so as to implement a touch return function and increase the experience of human-computer interaction.
  • the wireless screen device since the operating system of the processing device supports audio and video data transmission through the DP (DisplayPort) interface, the wireless screen device directly adopts its own TypeC interface by redesigning the wireless screen device. Connected to the TypeC interface of the processing device, the processing device directly sends the media data in the DP protocol format to the wireless transmitter through the TypeC interface. In the working mode of the DP (DisplayPort), the processing device can transmit the media content including the audio and video data to the wireless screen without driving a specific driver, thereby saving the driver from the wireless screen. The time to the processing device also saves time for the processing device to install the driver, which improves the efficiency of the meeting.
  • the processing device uses the DP (DisplayPort) interface data transmission device to transmit audio and video data.
  • DP (DisplayPort) interface has high data bandwidth, supports up to 40G bandwidth, and DP (DisplayPort) interface transmits uncompressed data, compared with other compression technologies, H.264, etc., DP (DisplayPort) interface transmission The data has better picture quality.
  • the TypeC interface 21 also has the power signal transmission pin V BUS (A9, B4, B9, A4) shown in FIG. 3, the power signal of the processing device can be obtained without additionally adding an interface connection power source, which is a micro device in the peripheral device.
  • the processor 24 and the like need to supply power to the power supply.
  • the TypeC interface 21 also has the USB2.0 data transmission pins D+ and D- shown in FIG. 3, and these two pins can be used to transmit other data. Therefore, this embodiment
  • the peripheral device includes a TypeC interface 21, and a differential signal transmission pin in the TypeC interface 21 as a screen data receiving port has an advantage that the functions of the peripheral device can be diversified.
  • the data transmission device further includes a first conversion IC 23, that is, a first data conversion chip, for converting the media content in the data packet corresponding to the DP (Displayport) protocol received from the processing device of the user to be applicable to the microprocessor 24.
  • a first conversion chip can convert the video portion of the media content into data in the MIPI format, and convert the audio portion of the media content into data in the I2S format, which is also referred to as the first format data.
  • the MIPI video data may include an image frame sequence including pixels represented in the YUV format; the I2S audio signal may be presented in a Pulse Code Modulation (PCM) format.
  • PCM Pulse Code Modulation
  • the two formatted media data can be provided to the microprocessor 24 after the format conversion of the first data conversion chip.
  • the microprocessor 24 is a hardware processor (such as an ARM processor).
  • the microprocessor 24 can program the video/audio encoder to compress the video data and audio data.
  • the microprocessor 24 can encode MIPI video data according to a video compression standard (such as H.264, H.265, etc.), and I2S audio data according to an audio compression standard (such as OPUS audio codec standard or MP3 standard or AAC).
  • a video compression standard such as H.264, H.265, etc.
  • I2S audio data such as OPUS audio codec standard or MP3 standard or AAC.
  • the encoding is performed, and the two are also referred to as the second format data.
  • the microprocessor 24 sends the encoded video data and audio data to the wireless module 12.
  • the wireless module 12 is specifically a first wireless transmitter/receiver, and the wireless module 12 can encode and compress the video data through a wireless network. And the audio data is transmitted to a large size display screen that is paired with the data transmission device or a second wireless transmitter/receiver of the large size touch display screen.
  • the wireless module 12 can include a wireless network card paired with the wireless network for communicating with a second wireless transmitter/receiver coupled to the large screen touch screen. Therefore, the user does not need to perform any network configuration on the processing device.
  • a processor associated with a large display or a large touch display can execute a decoder program that converts compressed video data and compressed audio data into a format suitable for display on the screen, a large display or large
  • the size touch display can display the same media content as on the user's processing device. In this way, the user can safely share the media content on their processing device to the touch screen of a large display or a large touch display without the need to upload or install a dedicated program on the processing device. The user simply plugs the data transfer device into the USB-Type-C interface on their processing device to complete the sharing process.
  • the embodiment further includes a trigger device connected to and paired with the microprocessor 24.
  • the user can control the trigger device to control the working state of the microprocessor 24 and the wireless module 12, and freely participate in sharing or exit sharing.
  • the microprocessor 24 starts to compress and encode the video data and the audio data in response to the triggering of the triggering device, thereby transmitting through the wireless module 12.
  • the microprocessor 24 responds to the trigger device for another trigger, thereby stopping the video
  • the compression, encoding, and stopping of data and audio data are transmitted to the large-sized display or the large-sized touch display through the wireless module 12, and the video data and audio data received from the first data conversion chip are discarded.
  • the triggering device may be a physical hardware or a virtual button, and may be integrally configured with the data transmission device or may be separately configured with the data transmission device.
  • the trigger device may be an infrared remote controller that is paired with the data transmission device. .
  • the USB-Type-C interface connected to the user's processing device (such as a personal computer or a smart phone, also referred to as a user's terminal device or terminal device) through the TypeC interface 21 of the data transmission device, in response to the insertion of the data transmission device,
  • the processing device provides a basic operating voltage to the data transmission device through the power pin of the USB-Type-C interface, and the first data conversion chip of the data transmission device and the microprocessor are powered by the basic operating voltage.
  • the configuration pin (CC pin) of the USB-Type-C interface of the processing device is electrically connected to the CC pin (see A5 in FIG. 3) of the TypeC interface 21 of the data transmission device.
  • the processing device sends an inquiry data packet to the data transmission device through a CC pin of the USB-Type-C interface, and the inquiry data packet may be a VDM signal.
  • the data transmission device After receiving the VDM signal, the data transmission device sends a response message to the processing device through the CC pin in the TypeC interface 21, and the response information includes a working mode of the data transmission device being DP (DisplayPort) mode, and the data transmission device is specific. Information on the operating voltage range and other information.
  • DP DisplayPort
  • the processing device adjusts an operating mode of the USB-Type-C interface according to the response information, and specifically includes:
  • the processing device adjusts the data transmission device through the power pin of the Type C interface 21 (see A9, B4, B9, A4 in FIG. 3) that interacts with the USB-Type-C interface.
  • the processing device calls the DP (DisplayPort) driver pre-installed by the operating system to obtain the media content including the display data, including the video data and the audio data, from the display memory, and encapsulates it according to the DP (DisplayPort) protocol, and passes the USB-Type- The differential pin of the C interface is sent to the differential pin pair in Type C interface 21.
  • DP DisplayPort
  • the media content includes, but is not limited to, audio and video content displayed on the processing device screen.
  • the processing device adjusts the differential pin of the USB-Type-C interface to work in the DP (DisplayPort) mode.
  • the four pairs of differential pins in the TypeC interface 21 are detailed in A11 and B2 in FIG. A10, B3, A4, B10, A2, and B11 all work in DP (DisplayPort) mode.
  • the output signals are output according to the DP (DisplayPort) protocol.
  • Four pairs of differential pin pairs work at the same time and have better transmission bandwidth.
  • a pair of pairs, two pairs, or three pairs of differential pins may be used for transmission under the premise of satisfying the requirements of the transmission bandwidth, and corresponding adjustments may be made according to specific working conditions.
  • the first data conversion chip of the data transmission device passes through the four pairs of differential pins in the TypeC interface 21, as shown in FIG. 3, A11, B2, A10, B3, A4, B10, A2, and B11, and receives the processing device.
  • the data packet of the media content in the DP (DisplayPort) protocol format the first data conversion chip can convert the video portion of the media content into the data in the MIPI format, and convert the audio portion of the media content into the data in the I2S format, and convert the data.
  • the subsequent data is sent to the microprocessor 24.
  • the microprocessor 24 of the data transmission device receives the screen trigger signal from the trigger device, and the microprocessor 24 encodes the MIPI video data according to the video compression standard (such as H.264, H.265, etc.), and according to the audio.
  • the compression standard (such as OPUS audio codec standard or MP3 standard, AAC, etc.) encodes the I2S audio data, and transmits the compressed encoded video data and audio data to the large-sized display screens that are paired with each other through the wireless module 12. Or a large touch screen.
  • the wireless module 12 communicates with a large-size display or a large-sized touch display using a WiFi protocol.
  • the large-size display or the large-size touch display receives the compressed encoded media content through a second wireless transmitter/receiver paired with the wireless module 12, and performs decoding and playing.
  • the microprocessor 24 of the data transmission device receives the screen stop signal from the trigger device, and the microprocessor 24 stops the compression, encoding, and stop transmission of the video data and the audio data to the large-size display through the wireless module 12. Or a large-size touch display screen, the microprocessor 24 discards the video data and audio data received from the first data conversion chip.
  • the embodiment of the present invention includes an optional further improvement, the microprocessor 24 in the peripheral device includes a first data input port, a second data input port, and a wireless module connection port; wherein, the first data The input port is connected to the differential signal transmission pin, and the wireless module connection port is connected to the wireless module 12; the Type C interface 21 includes a USB 2.0 data transmission pin for connecting the corresponding pin of the processing device.
  • Corresponding pins refer to interface pins that can be matched and connected to each other.
  • the USB2.0 interface, USB3.0 interface and TypeC receiving port in the processing device have USB2.0 data transmission pins corresponding to the TypeC interface 21 of the peripheral device.
  • the USB2.0 data transmission pin of TypeC interface 21 can be connected to the corresponding pin in the processing device by directly plugging or connecting the interface converter.
  • the second data input port is connected to the USB2.0 data transmission pin of the TypeC interface 21. That is, in the improvement, the microprocessor 24 also functions as a port extension, establishing a connection path between the differential signal transmission pin of the TypeC interface 21 and the wireless module 12, and a USB 2.0 data transmission of the Type C interface 21. The connection path between the foot and the wireless module 12.
  • the differential signal transmission pin and the USB2.0 data transmission pin are connected to the corresponding pins of the processor, and not only can transmit video data, but also can transmit other codes to USB2. .0 data. For example, the transmission of specified documents, pictures, applications or human-computer interaction control data, etc., further enriches the functions of peripheral devices.
  • the embodiment includes an optional further improvement: the wireless module 12 is further configured to receive a screen control signal sent by a network node paired with the wireless communication network; the microprocessor 24 is further configured to use the wireless mode
  • the signal from the wireless module 12 input by the group connection port is encapsulated into a HID device output signal, that is, a signal outputted by a HID device (Human Interface Device), and output from the second data input port.
  • a HID device output signal When the HID device output signal is described, the HID device output signal is transmitted to the processing device via the USB2.0 data transmission pin of the TypeC interface 21 and the corresponding pin of the processing device.
  • the wireless module 12 is used by the microprocessor 24 to transmit the screen control signals to the USB 2.0 data transfer pin of the TypeC interface 21.
  • the screen control signal of the large-screen tablet is transmitted back to the signal source, so that the signal source adjusts the screen image according to the screen control signal, which is a particularly important function.
  • the function pin of the Type C interface 21 is utilized.
  • the microprocessor 24 is further configured to package the screen control signal transmitted by the wireless module 12 into an HID device output signal, that is, the microprocessor 24 is simulated as a HID device (eg, a keyboard), and the processing device can directly process The HID device outputs a signal, thereby eliminating the need for the driver to parse the screen control signal and improving the efficiency of the screen control signal return control.
  • an HID device output signal that is, the microprocessor 24 is simulated as a HID device (eg, a keyboard), and the processing device can directly process The HID device outputs a signal, thereby eliminating the need for the driver to parse the screen control signal and improving the efficiency of the screen control signal return control.
  • the embodiment includes an optional further development: the peripheral device further comprises a memory 25; the memory 25 stores an executable program; the executable program is used for the processed device after being downloaded to the processing device
  • the first processor is operative to cause the first processor to compress the second audio and video data currently output by the first processor to the first display into USB 2.0 data, and output the USB2 from a corresponding pin of the processing device. 0 data. That is, after the executable program is downloaded by the processing device, the audio and video data can be transmitted through the USB2.0 data transmission pin to the transmission path of the wireless module 12 via the microprocessor 24.
  • the executable program is stored in the memory 25 in the peripheral device, and thus, the executable program can be conveniently obtained during use.
  • the microprocessor 24 is further configured to acquire the executable program from the memory 25 when triggered, and output the executable program from the second data input port, where the executable program can pass through the TypeC interface 21
  • the USB 2.0 transfer pin is transferred to the processing device.
  • the microprocessor 24 is further configured to perform encoding processing on the USB2.0 data received by the second data input port to obtain third audio and video data, and output the third audio and video data from the wireless module connection port,
  • the wireless module 12 receives the third audio and video data, and the wireless module 12 is further configured to transmit the received third audio and video data to a network node paired with the wireless communication network.
  • the pin corresponding to the USB2.0 data transmission pin of the TypeC receiving port of the processing device may be a pin in a TypeC socket, or may be a pin in a USB 2.0 socket or a USB 3.0 socket.
  • the peripheral device can directly insert the TypeC interface 21 into the socket, and transmit the DP video data by using the differential signal transmission pin, and the peripheral device and the USB2.0 data transmission pin of the processing device are correspondingly connected, and can be transmitted.
  • Other data when the processing device does not have a TypeC socket, only a USB2.0 socket or a USB3.0 socket, only need to connect a TypeC socket to a USB2.0 plug or a USB3.0 plug interface on the TypeC interface 21 of the peripheral device.
  • the converter, the peripheral device can be inserted into the corresponding socket of the processing device, the processing device can download the program, and then compress the second audio and video data currently outputted to the first display into USB2.0 data and output, and transmit the data through USB2.0.
  • the pin is transferred to the peripheral device. Improve the compatibility of peripheral device usage.
  • the memory 25 is a flash memory (flash memory), which is a non-volatile memory that can hold data for a long time without current supply, and has a storage characteristic equivalent to a hard disk. It is a storage medium for all kinds of portable digital devices, and is very suitable for long-term storage programs of peripheral devices.
  • flash memory flash memory
  • the TypeC interface 21 further includes the power signal transmission pin V BUS shown in FIG. 3; the microprocessor 24 further includes a power supply for obtaining power. port; supply pin V BUS signal transmission processing apparatus for connecting a power supply output pin; TypeC interface power signal transmission pin 21 is V BUS supply port may be connected to the microprocessor 24. That is, the processing device supplies power to the microprocessor 24 in the peripheral device, thereby eliminating the need to provide a power source in the peripheral device, reducing the size of the peripheral device, and improving the ease of use of the peripheral device.
  • the microprocessor 24 has a plurality of power supply ports; as shown in FIG. 2, the peripheral device further includes a power management module 27 for converting the input single power signal into a plurality of power signal outputs having different voltage values; power management
  • the module, the PMU (power management unit) is a highly integrated power management solution for portable applications that combines traditional discrete power management devices into a single package for higher power conversion. Efficiency and lower power consumption, and fewer component counts to accommodate shrinking board space.
  • the power management module 27 is connected between the power signal transmission pin and the power supply port of the microprocessor 24.
  • the input end of the power management module 27 is connected to the power signal transmission pin, and the multiple outputs of the power management module 27 are micro-processed.
  • the plurality of power supply ports of the device 24 are connected one by one. Since the microprocessor 24 can perform processing of various functional programs, different functional programs may have different power-on timings and power supply requirements, and the power management module 27 may output different voltage values, and may even control the timing of the output to satisfy the micro. The diverse needs of the processor 24. For example, as shown in FIG. 2, the power management module 27 outputs a voltage of 1.5V, 1.8V, 3.3V, or 1V.
  • the embodiment further provides an optional further improvement: the peripheral device further includes a first conversion IC 23 for converting the input DP video data into the MIPI video data output, and the first conversion IC 23 is connected to The differential signal transmission pin is connected to the first data input port of the microprocessor 24, wherein the input end of the first conversion IC 23 is connected to the differential signal transmission pin, and the output end of the first conversion IC 23 is connected to the first of the microprocessor 24.
  • Data input port Since there are few types of microprocessors available for transmitting video data on the market, and there are fewer types of ports that can be supported, the MIPI port is one of the more widely used microprocessor ports, and the DP video data is converted into MIPI video.
  • the data conversion IC is also relatively widely used, so the first data input port is the MIPI port, and the first conversion IC 23 converts the DP video data into the MIPI video data and outputs it to the microprocessor 24, which is more convenient for those skilled in the art to implement the present invention.
  • the peripheral device further includes a power supply module 26, which may include a DC-DC (DC to DC) circuit and/or an LDO (low dropout regulator, low dropout linear regulator). ) Circuit.
  • the input end of the power supply module 26 is connected to the power signal transmission pin of the TypeC interface 21, and the output end is connected to the power supply port of the first conversion IC 23.
  • the first audio and video data compressed and encoded by the microprocessor 24 is H264 audio and video data, H265 audio and video data or MPEG audio and video data.
  • IP Camera network camera
  • the network camera processor is a mature microprocessor for transmitting video data in a communication network. It can implement compression coding and has a built-in web-based operating system, so that video data can be sent to the end user through the network.
  • the wireless module is a WiFi module.
  • WiFi is a common way to set up a LAN. Using the WiFi module can improve the usability of peripheral devices.
  • microprocessor 24 is further configured to provide a second operating system to implement pairing management of the WiFi module.
  • FIG. 4 is a schematic structural diagram of another embodiment of a peripheral device according to an embodiment of the present invention.
  • This embodiment replaces the first conversion IC in the above technical solution with the second conversion IC 28 and the third conversion IC 29.
  • the second conversion IC 28 is for converting the input DP video data into an HDMI video data output
  • the third conversion IC 29 is for converting the input HDMI video data into BT1120 data or BT656 data output.
  • the second conversion IC 28 and the third conversion IC 29 are connected between the differential signal transmission pin and the first data input port of the microprocessor 24, wherein the input of the second conversion IC 28 is connected to the differential signal transmission pin
  • the output of the second conversion IC 28 is connected to the input of the third conversion IC 29, and the output of the third conversion IC 29 is connected to the first data input port of the microprocessor 24.
  • the BT1120 or BT656 port is also a common port of the microprocessor 24.
  • the second conversion IC 28 and the third conversion IC 29 are also relatively widely used. Therefore, the embodiment of FIG. 4 provides another way to improve the usability of the peripheral device. Program.
  • the schematic diagram of the peripheral device shown in FIG. 4 further includes a power supply module 26, a power management module 27, or a flash memory 25.
  • the corresponding connection structure and function can be set by referring to the technical solution corresponding to FIG. 2 described above.
  • the peripheral device includes a screen data receiving port capable of directly acquiring screen data of the processing device, and further includes a wireless module capable of transmitting the screen data to the wireless communication network, and then When the device is inserted into the processing device, the peripheral device automatically acquires the screen data output by the processing device to the display, and sends the data to the communication network, so that the screen can be transmitted to other network nodes in the communication network for display without installing the driver, compared with the prior art.
  • the compressed and encoded data is transmitted to the wireless module by using the USB interface.
  • the technical solution of the embodiment has the effects of driving-free screen transmission, reducing the preparation time before the screen is transmitted, and not occupying the processing device resources.
  • the drive-free screen transmission can realize the screen transmission without modifying the processing device inserted into the peripheral device.
  • the driver computer is not required to be installed to modify the personal computer of the conference personnel, and the transmission efficiency is improved on the one hand.
  • the security of the conference personnel's personal computer is also guaranteed.
  • the technical solution of the embodiment provides a plurality of optional improvement schemes based on the differential data transmission pin in the TypeC interface, and the plurality of functional pins of the TypeC interface are used to improve compatibility. Sexuality also enriches the functionality of peripheral devices.
  • FIG. 5 is a schematic structural diagram of an implementation manner of a conference tool according to an embodiment of the present invention.
  • the present embodiment provides a conference tool, including a display device node 53, a second display 54, and at least one peripheral device 51 provided by any embodiment of the present invention; the peripheral device 51 includes at least a screen data receiving port 511 and a wireless module 512.
  • the display device node 53 is connected to the second display 54; the display device node 53 is for pairing with the peripheral device 51 in the wireless communication network 52, receiving audio and video data from the peripheral device 51, and controlling the second display 54 to display corresponding audio and video data.
  • Media content
  • the audio and video data may be the first audio and video data, the second audio and video data, or the third audio and video data transmitted and processed by the processing device and the peripheral device involved in the technical solution of the embodiment of the present invention.
  • the conference tool shown in FIG. 5 has corresponding beneficial effects.
  • the conference tool provided by the embodiment of the present invention may further include an input device, where the input device is configured to enable a user to perform a user operation, and the user operation triggers the media corresponding to the audio and video data.
  • Content is displayed on the second display.
  • the second display 54 is a large-screen tablet for a conference
  • the input device may be a touch panel disposed on a large-screen tablet, and the user can switch the display signal source of the large-screen tablet through the touch operation on the touch panel to make the large screen
  • the tablet displays the media content corresponding to the screen data received by the display device node 53.
  • FIG. 6 is a schematic structural diagram of another embodiment of a conference tool according to an embodiment of the present invention.
  • the conference tool includes a peripheral device 51 and an interface converter 61.
  • the peripheral device 51 includes a TypeC plug 511 and a microprocessor (not shown).
  • the wireless module 512; the interface converter 61 includes a TypeC socket 62 and a USB plug 63, and the USB plug is a USB 2.0 plug or a USB 3.0 plug.
  • the interface converter 61 is used to convert the TypeC socket 62 into the USB plug 63, and therefore, the TypeC socket 62 and the pins of the same function in the USB plug 63 are matched to each other.
  • the TypeC plug 511 of the peripheral device 51 is used to connect the TypeC socket of the processing device or the TypeC socket 62 of the interface converter 61; the USB plug 63 of the interface converter 61 is used to connect to the USB socket of the processing device; the USB socket is USB2.0 Socket or USB3.0 socket.
  • the microprocessor includes a first data input port, a second data input port, and a wireless module connection port; the differential signal transmission pin in the TypeC plug 511 of the peripheral device 51 is used to acquire the first audio and video output by the processing device from the TypeC socket.
  • Data generally, the first audio and video data output by the TypeC socket is DP video data; the first data input port of the microprocessor is connected to the differential signal transmission pin in the TypeC plug 511, and the microprocessor is configured to use the first tone
  • the video data is compressed and transmitted to the wireless module connection port for output;
  • the USB2.0 data transmission pin in the TypeC plug 511 is used to obtain USB2.0 data output by the processing device from the TypeC socket or the USB socket;
  • the second data input port of the microprocessor is connected to the USB2.0 data transmission in the TypeC plug 511. a pin;
  • the microprocessor is further configured to encode the USB2.0 data received by the second data input port to obtain third audio and video data, and output the third audio and video data from the wireless module connection port;
  • the wireless module connection port is connected to the wireless module 512; the wireless module 512 is configured to communicate with the wireless communication network, and transmit screen data from the microprocessor to a network node paired with the wireless communication network. That is, the wireless module 512 can receive the third audio and video data obtained by the encoding process of the USB2.0 data output by the processing device from the USB socket, and can also receive the compression coded by the microprocessor after outputting from the processing device TypeC socket. An audio and video data is transmitted to a wireless communication network. If the processing device has a TypeC socket, the first audiovisual data is interface format converted and compressed and transmitted to the wireless communication network.
  • the USB 2.0 data transmission pin in the peripheral device obtains the USB2.0 data and then parses the third audio and video data according to a preset codec rule by the conversion of the interface converter 61. Therefore, the embodiment provides a compatibility meeting tool, which can acquire screen data of a processing device having a USB socket or a Type C socket, and transmit the data to a wireless communication network, and is used for a conference large screen in the wireless communication network. Tablet capture for wireless navigation.
  • the conference tool further includes a memory for storing an executable program for being executed by the first processor of the processing device after being downloaded to the processing device to enable the first
  • the processor compresses the second audio and video data currently output by the first processor to the first display into USB 2.0 data, and outputs the USB 2.0 data from a TypeC socket or a USB socket of the processing device.
  • the memory is integrated in the peripheral device 51; the microprocessor is further configured to acquire the executable program from the memory when being triggered and output the executable from the second data input port execute program.
  • the memory is integrated in the peripheral device 51, which facilitates the processing of the device download program, so that the preparation time for acquiring the screen data is also reduced for the processing device having only the USB socket. Improve the speed of wireless transmission.
  • the wireless module 512 is further configured to receive a screen control signal sent by a network node paired with the wireless communication network; the microprocessor is further configured to input the wireless module connection port from the wireless The signal of the module is encapsulated into an HID device output signal, and the HID device output signal is output from the second data input port.
  • the further solution enables backhaul of the screen control signals on the large screen tablet for the conference, so that one can control the screen of the processing device on the conference large screen tablet and receive the controlled screen data.
  • the peripheral device 51 further includes a first conversion IC for converting input DP video data into MIPI video data output;
  • the first conversion IC is connected between the differential signal transmission pin and a first data input port of the microprocessor, wherein an input end of the first conversion IC is connected to the differential signal transmission pin, An output of the first conversion IC is coupled to a first data input port of the microprocessor.
  • the conference tool provided by the embodiment of the present invention includes the peripheral device provided by any embodiment of the present invention, and therefore has corresponding beneficial effects.
  • the conference tool provided by the embodiment of the present invention has strong compatibility.
  • FIG. 7 is a schematic structural diagram of an embodiment of a conference tool system according to an embodiment of the present invention, including a display device node 53, a second display 54, and a conference tool including the peripheral device 51 and the interface converter 61 provided by the foregoing embodiment;
  • the peripheral device 51 includes a TypeC plug 511, a microprocessor (not shown), and a wireless module 512;
  • the interface converter 61 includes a TypeC socket 62 and a USB plug 63, and the USB plug 63 is a USB 2.0 plug or a USB 3.0 plug. .
  • the display device node 53 is connected to the second display 54; the display device node 53 is for pairing with the peripheral device 51 in the wireless communication network 52, receiving audio and video data from the peripheral device 51, and controlling the second display 54 to display corresponding audio and video data.
  • Media content
  • the conference tool system provided by the embodiment of the present invention includes a conference tool including a peripheral device and an interface converter provided by any embodiment of the present invention, and thus has corresponding beneficial effects.

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Abstract

本发明公开了一种数据传输装置以及数据传输方法本发明数据传输装置采用TypeC接口，TypeC接口能够直接获取终端设备输出的DP协议格式的媒体数据，在DP(DisplayPort)的工作模式下，用户的终端设备在无需安装特定驱动的情况下，就可以向数据传输装置免驱发送包含视频数据以及音频数据的媒体内容。当数据传输装置的TypeC接口***用户的终端设备时，数据传输装置通过TypeC接口自动获取终端设备的屏幕上展示的媒体内容并发送到通信网络中，实现不用安装驱动程序就可以传屏到通信网络中其他网络节点进行显示，相比现有技术采用USB接口传递压缩编码后的数据到无线模组，本发明实施例具有免驱动传屏、减少传屏前的准备时间且不占用处理装置资源的效果。

Description

数据传输装置以及数据传输方法 技术领域
本发明实施例涉及智能会议技术领域，尤其涉及一种数据传输装置以及数据传输方法。
背景技术
为了帮助人们在会议上的交流，现有技术提供了很多技术方案。例如将演示文稿投影到幕布上展示分享、远程即时通信以及大屏幕触控平板提供书写画布等，还有一种方式是使用无线传屏器，将人们的个人计算机的画面传输到会议室的大屏幕平板上。
现有技术的无线传屏的原理是在处理装置(例如人们的个人计算机或手机)上安装驱动程序，该驱动程序运行后会以固定的频率捕捉该处理装置的画面，并将捕捉到的画面数据进行压缩编码，通过USB接口传递给***此处理装置的无线传屏器，无线传屏器的无线模组将数据发送到通信网络中的会议用大屏幕平板进行解码显示。当前的问题是：驱动程序的下载，及在处理装置上必须安装驱动程序，安装过程中较为费时，极大影响会议效率。
发明内容
本发明实施例提供一种数据传输装置以及数据传输方法，以实现免驱动传屏，减少传屏前的准备时间且不占用终端设备的资源。
第一方面，本发明实施例提供一种数据传输装置，所述数据传输装置包括TypeC接口、无线模组、第一数据转换芯片及微处理器；所述TypeC接口与所述第一数据转换芯片相连接，所述第一数据转换芯片与所述TypeC接口、微处理器连接，所述微处理器与所述无线模组连接；
所述TypeC接口用于接收DP协议格式的媒体数据，所述媒体数据为终端设备的屏幕上展示的媒体内容；
所述第一数据转换芯片接收所述TypeC接口发送的DP协议格式的媒体数据，将所述媒体数据转换为第一格式数据；
所述微处理器用于接收所述第一格式数据，将该第一格式数据压缩编码为第二格式数据；
无线模组用于将所述第二格式数据发送。第一格式数据包括MIPI格式的视频数据和/或I2S格式的音频数据。第二格式数据包括H.264/H.265格式的视频数据和/或AAC格式的音频数据。第一格式数据以及第二格式数据均采用通用的音视频传输协议，提高通用性。
本实施提供的数据传输装置包括TypeC接口，TypeC接口能够直接获取终端设备输出的DP协议格式的媒体数据，在DP(DisplayPort)的工作模式下，用户的终端设备在无需安装特定驱动的情况下，就可以向数据传输装置免驱发送包含视频数据以及音频数据的媒体内容。同时数据传输装置包括能将DP协议格式的媒体数据转换第一格式数据的第一数据转换芯片，将第一格式数据转换成第二格式数据的微处理器以及将第二格式数据发送到无线通信网络中的无线模组。当数据传输装置的TypeC接口***用户的终端设备时，数据传输装置通过TypeC接口自动获取终端设备的屏幕上展示的媒体内容并发送到通信网络中，实现不用安装驱动程序就可以传屏到通信网络中其他网络节点进行显示，相比现有技术采用USB接口传递压缩编码后的数据到无线模组，本发明实施例具有免驱动传屏、减少传屏前的准备时间且不占用处理装置资源的效果。
作为可选择方案，数据传输装置还包括触发装置，该触发装置用于接收第一用户操作，所述第一用户操作为传屏触发信号；所述第一用户操作用于触发所述微处理器将第一格式数据转化为第二格式数据，以及用于触发所述无线模组对 第二格式数据的发送。
触发装置用于控制微处理器的压缩编码动作以及无线模组的发送动作，触发装置可具体为物理输入设备，例如设置在数据传输装置的按键或者与数据传输装置无线连接的遥控器。在所述触发装置接收第一用户操作之前，所述微处理器对接收到的所述第一格式数据作丢弃处理，从而减少不必要的压缩编码以及发送动作。在接收到第一用户操作的触发后，微处理器开始压缩编码工作，将第一格式数据压缩、编码为第二格式数据，并通过无线模组将第二格式数据进行发送。
作为可选方案，TypeC接口包括至少一对差分信号传输引脚，至少一对所述差分信号传输引脚用于接收DP协议格式的媒体数据。终端设备调用其操作***预装的DP(DisplayPort)驱动，从显存获取包含媒体内容的媒体数据，包括视频数据以及音频数据，并将其按照DP(DisplayPort)协议进行封装，并通过USB-Type-C接口的差分信号传输引脚发送至TypeC接口21中的差分信号传输引脚，具体地，媒体内容包括但不限于终端设备的屏幕上显示的内容。如此，通过终端设备调用其操作***预装的DP(DisplayPort)驱动，设置终端设备上的USB-Type-C接口的差分信号传输引脚对工作在DP(DisplayPort)模式，向数据传输装置上TypeC接口的差分信号传输引脚发送DP协议格式的媒体数据，使得数据传输装置***用户的终端设备时可以免驱运行。
作为可选方案，所述TypeC接口还包括配对通讯引脚，所述配对通讯引脚用于发送第一请求信号，所述第一请求信号用于请求终端设备向至少一对所述差分信号传输引脚发送DP协议格式的媒体数据。所述配对通讯引脚还用于发送第二请求信号，所述第二请求信号用于请求终端设备按照所述数据传输装置的供电需求进行供电。具体地，配对通讯引脚为USB-Type-C的CC引脚，在数据传输装置***用户的终端设备时，数据传输装置中的TypeC接口的CC引脚与用户的终端设备的USB-Type-C接口中的CC脚接通，两者通过接通的CC引脚传输配 置信息。由于USB-Type-C是通用的接口，预装在用户的终端设备以及数据传输装置中，两者配对连接即可免驱运行。
作为一个可选方案，所述TypeC接口还包括USB2.0数据传输引脚，所述USB2.0数据传输引脚与所述微处理器连接。所述无线模组还用于从通信网络接收触摸信号，并通过所述USB2.0数据传输引脚传输至终端设备。可选择地，微处理器还用于将所述无线模组从通信网络接收的触摸信号封装成HID设备格式信号。TypeC接口还包括与微处理器连接的USB2.0数据传输引脚，通过该USB2.0数据传输引脚可以将其它设备对终端设备的控制信息回传至终端设备，以实现交互。同时，还可以选择地在微处理将这些控制信息封装成HID格式的信号，由于HID格式为各大主流操作***原生支持的格式，终端设备可以对HID格式的信号直接作出响应，而不用在终端设置上再开发专用的驱动，节省开发工作量，提高普适性。
数据传输装置还包括存储器，所述存储器与所述微处理器电连接；所述存储器存储有可执行程序；所述可执行程序用于被下载至终端设备后运行，所述可执行程序还用于在终端设备运行时触发终端设备获取媒体内容，并触发终端设备将获取的媒体内容压缩编码为USB2.0数据；所述微处理器用于在被触发时从所述存储器获取所述可执行程序，并将所述可执行程序发送至终端设备；所述微处理器还用于将接收到的USB2.0数据通过所述无线模组发送。
终端设备的USB2.0数据传输引脚相应的引脚可以是USB-Type-C插座中的引脚，也可以是USB2.0插座或USB3.0插座中的引脚，当终端设备具有USB-Type-C插座时，数据传输装置可以直接将TypeC接口21***该插座中，利用差分信号传输引脚传输DP协议格式的媒体数据，终端设备和数据传输装置的USB2.0数据传输引脚对应连接，可以传输其他数据。当终端设备没有USB-Type-C插座，仅有USB2.0插座或USB3.0插座时，只需在数据传输装置的 TypeC接口上接入一个TypeC插座转USB2.0插头或USB3.0插头的接口转换器，则数据传输装置可以***终端设备的对应插座，终端设备可以从数据传输装置下载该程序，然后将终端设备的媒体内容压缩编码为USB2.0数据并输出，通过USB2.0数据传输引脚传输到数据传输装置中，提高数据传输装置的兼容性。
在某些情况下，数据传输装置还包括第二数据转换芯片，所述第一数据转换芯片通过所述第二数据转换芯片连接至所述微处理器，将数据传输装置通过TypeC接口接收的DP协议格式的媒体数据，通过两个转换芯片进行格式的转换，可以降低开发过程中的器件寻源的难度。
本实施例的另外一个方面还提供一种数据传输方法，包括：
处理器或者第一数据转换芯片通过TypeC接口识别与终端设备的连接；通过TypeC接口的配对通讯引脚向终端设备发送第一请求信号，所述第一请求信号用于请求终端设备向所述至少一对差分信号传输引脚发送DP协议格式的媒体数据；接收到第一用户操作，通过所述差分信号传输引脚接收DP协议格式的媒体数据，其中媒体数据包括来自与用户的终端设备上的视频数据或音频数据中的至少一个；将媒体数据转换成第一格式数据；根据编码方案，将第一格式数据压缩编码为第二格式数据，其中，第二格式数据为压缩媒体数据流；将所述压缩媒体数据流通过通信网络进行发送；以及从通信网络接收触摸信号，并将该触摸信号传输至终端设备。
可选地，接收到第二用户操作，停止将第一格式数据压缩编码为第二格式数据；其中，所述第二用户操作为停止传屏信号；将接收到的第一格式数据进行丢弃处理。
可选地，通过TypeC接口的配对通讯引脚向终端设备发送第二请求信号，所述第二请求信号用于请求终端设备按照所述数据传输装置的供电需求进行供电。
本实施例的另一个方面还提供了一种数据传输方法，应用在无线传屏器中，所 述无线传屏器包括TypeC接口、无线模组、数据转换芯片及微处理器；所述TypeC接口与所述数据转换芯片相连接，所述数据转换芯片与所述TypeC接口、所述微处理器分别连接，所述微处理器与所述无线模组连接；
所述无线传屏器的TypeC接口与终端设备的TypeC接收口的连接，启动上电；
所述数据转换芯片通过所述TypeC接口的配对通讯引脚向终端设备发送请求信号，所述请求信号用于请求所述终端设备向所述TypeC接口的至少一对差分信号传输引脚发送DP协议格式的媒体数据；
所述数据转换芯片通过所述差分信号传输引脚接收DP协议格式的媒体数据，其中，所述媒体数据包括来自所述终端设备的屏幕上展示的视频数据或音频数据中的至少一个；
所述数据转换芯片将所述DP协议格式的媒体数据转换为MIPI格式的视频数据和/或I2S格式的音频数据；
所述数据转换芯片将所述MIPI格式的视频数据和/或I2S格式的音频数据发送给所述微处理器；
所述微处理器接收传屏启动指令；
所述微处理器将所述MIPI格式的视频数据和/或I2S格式的音频数据压缩为H.264/H.265格式的数据和/或AAC格式的数据；
所述微处理器将所述H.264/H.265格式的数据和/或AAC格式的数据通过所述无线模组发送至会议显示装置用于显示。
本技术方案数据传输装置采用TypeC接口，TypeC接口能够直接获取终端设备输出的DP协议格式的媒体数据，在DP(DisplayPort)的工作模式下，用户的终端设备在无需安装特定驱动的情况下，就可以向数据传输装置免驱发送包含视频数据以及音频数据的媒体内容。同时数据传输装置包括能将DP协议格式的媒 体数据转换第一格式数据的第一数据转换芯片，将第一格式数据转换成第二格式数据的微处理器以及将第二格式数据发送到无线通信网络中的无线模组。当数据传输装置的TypeC接口***用户的终端设备时，数据传输装置通过TypeC接口自动获取终端设备的屏幕上展示的媒体内容并发送到通信网络中，实现不用安装驱动程序就可以传屏到通信网络中其他网络节点进行显示，相比现有技术采用USB接口传递压缩编码后的数据到无线模组，本发明实施例具有免驱动传屏、减少传屏前的准备时间且不占用处理装置资源的效果。
附图说明
图1是本发明实施例提供的***装置的一种实施方式的结构示意图；
图2是本发明实施例提供的***装置的另一种实施方式的结构示意图；
图3是TypeC接口的引脚排列图；
图4是本发明实施例提供的***装置的另一种实施方式的结构示意图；
图5是本发明实施例提供的会议工具的一种实施方式的结构示意图；
图6是本发明实施例提供的会议工具的另一种实施方式的结构示意图；
图7是本发明实施例提供的会议工具***的一种实施方式的结构示意图。
具体实施方式
下面结合附图和实施例对本发明作详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本发明，而非对本发明的限定。另外，还需要说明的是，为了便于描述，附图中仅示出了与本发明相关的部分而非全部结构。
此外，在说明书和权利要求书中的术语第一、第二、第三等仅用于区别相同技术特征的描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量，也不一定描述次序或时间顺序。在合适的情况下术语是可以 互换的。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。
类似地，在说明书和权利要求书中同样使用术语“连接”，不应理解为限于直接的连接。因此，表达“装置A与装置B连接”不应该限于装置或***中装置A直接连接到装置B，其意思是装置A与装置B之间具有路径，这可以是包括其他装置或工具的路径。
数据传输装置工作在处理装置与大屏幕显示装置之间，在本发明实施例中，数据传输装置可以为无线传屏器；处理装置可以为个人电脑、PAD或手机；大屏幕显示装置可以为会议用的智能平板或会议显示装置，本发明实施例对此不做限定。无线传屏器将处理装置上屏幕上展示的音视频数据进行处理，使得该数据在大屏幕显示装置上能够展示，供更多的人观看、分享。
现有技术中，无线传屏器与处理装置通过USB接口连接进行数据传输，由于USB接口是一个串行总线，本身不支持视频输出功能，处理装置的操作***不会将屏幕上的信息输出给无线传屏器，因此，需要单独设计一个驱动程序对处理装置的屏幕的数据进行截屏，并通过USB接口发送给无线传屏器，无线传屏器再转发给大屏幕显示装置用于展示。通常而言，无线传屏器中预先存储有驱动程序，当处理装置与无线传屏器连接时，该驱动程序将会自动的被下载至处理装置，处理装置运行该程序，该驱动程序运行后会以固定的频率捕捉该处理装置的画面，并将捕捉到的画面数据发送给无线传屏器。该方案存在的问题是：驱动程序的下载，及在处理装置上安装驱动程序，较为费时，极大影响会议效率。
图1是本发明实施例提供的***装置的一种实施方式的结构示意图。***装置10包括屏幕数据接收口11和无线模组12；屏幕数据接收口11用于连接处理装置的视频信号接口，获取所述视频信号接口输出的未压缩的第一音视频数据； 其中，所述处理装置具有第一处理器、视频信号接口以及第一显示器，所述第一处理器安装有第一操作***，该第一操作***预装有所述视频信号接口与***装置之间进行音视频通讯的通用驱动协议，所述第一音视频数据对应的媒体内容与第一显示器上显示的媒体内容相同。屏幕数据接收口11连接无线模组12；无线模组12用于与无线通信网络进行通信，将接收到的第一音视频数据传输到无线通信网络中与其配对的网络节点。
在说明书和权利要求书中的处理装置指包括第一处理器及第一显示器，且第一处理器安装有第一操作***的装置，例如笔记本电脑、手机或平板电脑等，通过上述特征限定可知，本发明实施例所指的视频信号接口，其与***装置进行音视频通讯的过程受第一操作***预装的通用驱动协议所约束，不需要在第一操作***上安装驱动程序即可基于预装的通用驱动协议与***装置进行音视频通讯，音视频通讯包括输出音视频数据。具体地，一般处理装置上会设置有多个接口，例如电源接口、USB接口、AUX接口、HDMI接口或VGA接口等，其中，AUX接口为音频接口，基于处理装置中第一操作***所预装的通用驱动协议，当具有AUX接口的***装置(例如耳机或音箱)通过AUX接口连接处理装置时，会获取到此时处理装置中第一处理器输出到扬声器的音频。诸如HDMI接口、VGA接口或DP接口等视频信号接口则是用于传输音视频数据的接口，同样基于第一操作***所预装的通用驱动协议工作，即这些视频信号接口输出的音视频数据格式是原生***所支持的音视频数据输出格式，无需进行诸如压缩编码之类的转换就可以被传输至***装置。当***装置通过这些视频信号接口连接处理装置时，会获取到此时处理装置中处理器输出的第一音视频数据，并且该第一音视频数据对应的媒体内容与第一显示器当前显示的媒体内容相同。因此，综上，本发明实施例所指的视频信号接口为处理装置上HDMI接口、VGA接口或DP接口等能够基于操作***预装的通用驱动协议，直接输出未压缩的第一音视频数据的接口。 而屏幕数据接收口11则是可以连接该视频信号接口的对应接口。
无线模组12是借助无线通信技术实现的模块化产品，可以将接收到的信号以无线形式发送到无线通信网络中，使信号被无线通信网络中的网络节点捕获。例如目前被广泛应用于短距离局域网通信的WiFi模块、蓝牙模块或ZigBee模块等。本实施例提供的***装置10，包括有相互连接的屏幕数据接收口11和无线模组12，即可直接获取到处理装置的屏幕数据并发送到无线通信网络中的其他网络节点进行视频画面的显示。一般地，按照现有技术普遍的接口形态，***装置10上的屏幕数据接收口11设置为插头，处理装置上的视频信号接口为插座，为了便于描述和解释技术方案，在说明书中，均以处理装置的接口是插座，***装置的接口是插头为例具体阐述技术方案。在会议场景里，人们可将该***装置10的屏幕数据接收口11***个人计算机的视频信号接口，会议用的大屏幕平板的网络节点模块与***装置10的无线模组12在同一无线通信网络中配对连接，则可以将个人计算机的显示器画面对应的音视频数据传输到会议用大屏幕平板，实现无线传屏，而无需在个人计算机上下载驱动程序。
在上述方案的基础上，本发明实施例提供的***装置可以有另一种实施方式。屏幕数据接收口11和无线模组12不是直接连接，而是通过微处理器连接。具体地，微处理器与该屏幕数据接口11连接，微处理器用于对第一音视频数据进行压缩编码；无线模组12也与微处理器互相连接，无线模组用于与无线通信网络进行通信，将接收到的第一音视频数据传输到所述无线通信网络中与其配对的网络节点。由于***装置进行无线传屏，无线传输方式对传输数据量的要求较为苛刻，且无线模组也需要完成和外部通信网络中网络节点的配对等工作，因此，一般需要在***装置中添加微处理器，使得***装置能够具备相应的处理能力。
图2是本发明实施例提供的***装置的另一种实施方式的结构示意图，该外 围装置可以是一种数据传输装置，也可以是无线传屏器，本发明实施例对此不做限定
这种实施方式在上述技术方案的基础上，对屏幕数据接收口的类型以及***装置内部的结构提供了多个改进方案。需要说明的是，以下描述的多个改进方案，可以根据实际需求，在具备必要条件且不相互矛盾的情况下，自由组合形成更优选的实施方案。
这种实施方式的第一个改进是：对数据传输装置设计一个包括图2所示的TypeC接口21，TypeC接口21中的差分信号传输引脚为屏幕数据接收口。处理装置的视频信号接口输出的未压缩的第一音视频数据为DP音视频数据，该视频信号接口可以为TypeC接口。
该数据传输装置为在会议、教学、医疗会诊或其它多人分享场景下的数据传输装置，主要用于将用户的个人计算机设备(例如预装有windows、mac或者Linux等***的电脑、平板、手机等，以下均称为处理装置)声音图像画面或者媒体内容发送至大尺寸显示屏或者大尺寸触控显示屏(例如智能交互平板)进行展示分享。同时，本实施例提供的数据传输装置，该数据传输装置可以免除在用户的处理装置上安装专用的驱动程序(例如截屏程序)，即可将用户的处理装置上的声音图像画面、媒体内容传输至大尺寸显示屏或者大尺寸触控显示屏。替而代之，本实施例提供的数据传输装置，通过处理装置自身***预装的驱动以及接口，接收处理装置发送过来的声音图像画面、媒体内容。数据传输装置包括上述提及的TypeC接口21，即USB-Type-C，以下将简称为TypeC接口21，USB-Type-C是一种通用串行总线(USB)的硬件接口规范，其具有更快的传输速度(最高10Gbps)以及更强悍的电力传输(最高100W)，并且兼容USB2.0、USB3.0以及DP(DisplayPort)。TypeC接口21共有24个引脚，包括两行相同功能的引脚，参阅图3，图3中的引脚A1至A12为其中一行，引脚B1至B12为另一行， 支持正插或反插。TypeC接口21包括两对电源引脚、四对差分引脚以及用于***配对时候用于配对通讯的CC脚，两对电源引脚详见图3中的A9、B4、B9、A4，四对差分引脚详见图3中的A11、B2、A10、B3、A4、B10、A2、B11，CC脚详见图3中的A5。其中，每一组引脚中的TX+、TX-、RX+和RX-是差分信号传输引脚，每一组差分信号传输引脚均支持工作在USB模式或者DP(DisplayPort)模式。当差分信号传输引脚对工作在USB模式下时，该信号传输引脚对传输USB3.0信号；当差分信号传输引脚对工作在DP模式下时，该信号传输引脚对作为DP(DisplayPort)接口使用。
作为可选的实施例，本发明实施例的方案可以通过下列方法实现:
1)通过TypeC接口与终端设备的TypeC接收口的连接，启动上电；
具体的，将数据传输装置的TypeC接口21插进用户的处理装置中对应的TypeC接收口时，需要说明的是，该TypeC接收口可以为USB-Type-C接口，该处理装置会通过Type-C接收口的电源引脚给数据传输装置提供基础工作电压，该工作电压可以为5V或者其它电压，数据传输装置在基础电压的供电下开始工作。具体的，在本发明实施例中，TypeC接口可以为一个硬件接口，具有如图3所示的引脚；尤其的，可以通过电源引脚A9、B4、B9、A4对数据传输装置进行供电。需要说明的是，上述连接可以是直接连接，也可以是间接的连接，本实施例对连接方式不做限定。
2)通过TypeC接口的配对通讯引脚向终端设备发送请求信号，所述请求信号用于请求终端设备向所述至少一对差分信号传输引脚发送DP协议格式的媒体数据；
具体的，在数据传输装置上电后，处理装置会通过USB-Type-C接口的CC引脚向数据传输装置发送询问数据包，该询问数据包可以为VDM(Vendor Defined Message)信号，数据传输装置在接收到该VDM信号后，通过其TypeC 接口21中的CC引脚向处理装置发送应答信息，应答信息包括该数据传输装置当前的的工作模式或支持的工作模式为DP(DisplayPort)模式，该应答信息也可以包括该数据传输装置具体的供电范围等信息。处理装置收到数据传输装置发送过来的应答信息后，根据供电范围信息，调整对数据传输装置的供电电压；同时，处理装置识别数据传输装置当前的的工作模式或支持的工作模式为DP(DisplayPort)模式时，设置处理装置的USB-Type-C接口工作在DP(DisplayPort)模式，并且调用处理装置操作***预装DP(DisplayPort)驱动，通过处理装置USB-Type-C接口中的差分引脚对向数据传输装置传输包含音频、视频在内的媒体内容，该内容可以是DP协议格式的媒体数据，该媒体数据包括但不限于在处理装置的显示屏上显示的内容。
3)通过差分信号传输引脚接收DP协议格式的媒体数据，其中媒体数据包括来自于处理装置上的视频数据或音频数据中的至少一个；
具体的，在本发明实施例中，差分信号传输引脚用来传输差分信号，可选的，在本发明实施例中，参阅图3，差分信号传输引脚可以是四对差分引脚，详见图3中的A11、B2、A10、B3、A4、B10、A2、B11。
4)将媒体数据转换成第一格式数据；
具体的，该步骤为可选步骤。若数据传输装置的微处理器不能直接支持将DP协议格式的媒体数据转换为H.264/H.265格式的数据和/或AAC格式的数据，则数据传输装置需要先将DP协议格式的媒体数据转换为微处理器可以处理的数据格式。具体而言，可以在数据传输装置中新增一个数据转换芯片，可以将DP协议格式的媒体数据转换为MIPI格式的视频数据和/或I2S格式的音频数据。MIPI(Mobile Industry Processor Interface，移动产业处理器接口)，MIPI是MIPI联盟发起的为移动应用处理器制定的开放标准和一个规范，主要将移动设备的摄像头、显示屏接口、射频/基带接口等接口进行标准化集成；I2S(Inter—IC Sound， 集成电路内置音频)总线,该总线专门用于音频设备之间的数据传输。
5)根据编码方案，将第一格式数据压缩编码为第二格式数据，其中，第二格式数据为压缩媒体数据流；
具体的，若步骤4)为必选步骤，则再通过微处理器将该MIPI格式的视频数据和/或I2S格式的音频数据压缩为H.264/H.265格式的数据和/或AAC格式的数据；若步骤4)为非必选步骤，则可以将DP协议格式的媒体数据直接压缩为H.264/H.265格式的数据和/或AAC格式的数据。压缩后的数据，可以占用较少的带宽，在相同的传输要求下，可以传输更多的数据。
6)将所述压缩媒体数据流通过通信网络进行发送；
具体的，将压缩后数据可以通过无线网络发送至大屏幕显示装置用于显示。可选的，该无线网络可以为Wi-Fi网络，3G/4G/5G通信网络，或者其他具有数据传输功能的网络。本实施例对无线网络的类型不做限定。
可选的，在对MIPI格式的视频数据和/或I2S格式的音频数据压缩之前，或者将DP协议格式的媒体数据压缩之前，还接收用户的传屏启动指令，根据用户的输入的传屏启动指令对上述数据进行压缩，压缩后通过无线网络发送至大屏幕显示装置用于显示。
可选的，在接收到用户的传屏启动指令之前，对接收到的MIPI格式的视频数据和/或I2S格式的音频数据或DP协议格式的媒体数据进行丢弃，不进行压缩或传输处理，节省数据传输装置的微处理器的资源。
7)接收来自于大屏幕显示装置的触摸信号，并将该触摸信号传输至处理设备。
具体的，在会议场景中，大屏幕显示装置具有触控功能，能够实时的接收用户的触控操作，大屏幕显示装置将该触控操作转化为触摸信号，并将该触摸信号通过无线网络传输给数据传输装置，数据传输装置将该触摸信号发送给处理设备， 处理设备对该触摸信号进行响应或根据触摸信号启动相应的应用程序，以便实现触摸回传功能，增加人机交互的体验性。
在本发明实施例中，由于处理装置的操作***自身支持通过DP(DisplayPort)接口进行音视频数据发送，因此，通过对无线传屏器的重新设计，使得无线传屏器直接采用自身的TypeC接口与处理装置的TypeC接口连接，处理装置通过TypeC接口直接向无线传屏器发送DP协议格式的媒体数据。在该DP(DisplayPort)的工作模式下，处理装置在无需安装特定驱动程序的情况下，就可以向无线传屏器免驱发送包含音视频数据的媒体内容，节省了驱动程序从无线传屏器向处理装置的时间，也节省了处理装置安装驱动程序的时间，提高了会议的效率。
另外，在本实施例中，处理装置置采用DP(DisplayPort)接口数据传输装置发送音视频数据。DP(DisplayPort)接口具有高的数据带宽，最高支持40G的带宽，并且DP(DisplayPort)接口传输未经过压缩的数据，相对于其它的一些压缩技术，H.264等,DP(DisplayPort)接口传输的数据具有更好的画质。
可选的，当需要对DP协议格式的媒体数据进行转换为MIPI格式的视频数据和/或I2S格式的音频数据，再对该MIPI格式的视频数据和/或I2S格式的音频数据进行压缩时，本实施例的方案可以通过在数据处理装置中设置一个数据转换芯片实现，该芯片能够运行DP协议。在本发明实施例中，以数据处理装置为无线传屏器为例进行说明。该无线传屏器包括TypeC接口、无线模组、数据转换芯片及微处理器；该TypeC接口与该数据转换芯片相连接，该数据转换芯片与该TypeC接口、该微处理器分别连接，该微处理器与该无线模组连接。具体的实现方式如下：
1)通过TypeC接口与终端设备的TypeC接收口的连接，启动上电；
具体的，将无线传屏器的TypeC接口21插进用户的处理装置中对应的TypeC接收口时，需要说明的是，该TypeC接收口可以为USB-Type-C接口，该处理装置会通过Type-C接收口的电源引脚给数据传输装置提供基础工作电压，该工作电压可以为5V或者其它电压，数据传输装置在基础电压的供电下开始工作。具体的，在本发明实施例中，TypeC接口可以为一个硬件接口，具有如图3所示的引脚；尤其的，可以通过电源引脚A9、B4、B9、A4对数据传输装置进行供电。需要说明的是，上述连接可以是直接连接，也可以是间接的连接，本实施例对连接方式不做限定。
3)2)无线传屏器的数据转换芯片通过TypeC接口的配对通讯引脚向终端设备发送请求信号，所述请求信号用于请求终端设备向所述至少一对差分信号传输引脚发送DP协议格式的媒体数据；
具体的，在数据传输装置上电后，处理装置会通过USB-Type-C接口的CC引脚向数据传输装置发送询问数据包，该询问数据包可以为VDM(Vendor Defined Message)信号，数据传输装置在接收到该VDM信号后，通过其TypeC接口21中的CC引脚向处理装置发送应答信息，应答信息包括该数据传输装置当前的的工作模式或支持的工作模式为DP(DisplayPort)模式，该应答信息也可以包括该数据传输装置具体的供电范围等信息。处理装置收到数据传输装置发送过来的应答信息后，根据供电范围信息，调整对数据传输装置的供电电压；同时，处理装置识别数据传输装置当前的的工作模式或支持的工作模式为DP(DisplayPort)模式时，设置处理装置的USB-Type-C接口工作在DP(DisplayPort)模式，并且调用处理装置操作***预装DP(DisplayPort)驱动，通过处理装置USB-Type-C接口中的差分引脚对向数据传输装置传输包含音频、视频在内的媒体内容，该内容可以是DP协议格式的媒体数据，该媒体数据包括但不限于在处 理装置的显示屏上显示的内容。
3)无线传屏器的数据转换芯片通过差分信号传输引脚接收DP协议格式的媒体数据，其中媒体数据包括来自于处理装置上的视频数据或音频数据中的至少一个；
4)根据预设的编码方案，无线传屏器的数据转换芯片将媒体数据转换成第一格式数据；
具体而言，无线传屏器的数据转换芯片将DP协议格式的媒体数据转换为MIPI格式的视频数据和/或I2S格式的音频数据。
5)无线传屏器的数据转换芯片将MIPI格式的视频数据和/或I2S格式的音频数据发送给无线传屏器的微处理器；
6)无线传屏器的微处理器接收到用户输出的传屏指令时，启动将MIPI格式的视频数据和/或I2S格式的音频数据压缩为H.264/H.265格式的数据和/或AAC格式的数据；否则，将该MIPI格式的视频数据和/或I2S格式的音频数据丢弃；
具体的，无线传屏器的微处理器可以通过无线传屏器的的传屏按键接收传屏指令；其中，无线传屏器的传屏按键为硬件按键，设置在无线传屏器的上表面或侧面；无线传屏器的传屏按键也可以是软按键，该软按键通过程序实现，设置在无线传屏器的的显示屏的界面，或者设置在处理设备的显示界面，用户可以通过点击该软按键，启动对MIPI格式的视频数据和/或I2S格式的音频数据的压缩及编码。
7)将所述压缩后的媒体数据通过通信网络进行发送；
具体的，将压缩后的H.264/H.265格式的数据和/或AAC格式的数据通过无线网络发送至大屏幕显示装置用于显示。可选的，该无线网络可以为Wi-Fi网络，3G/4G/5G通信网络，或者其他具有数据传输功能的网络。本实施例对无线网络的类型不做限定。
8)接收来自于大屏幕显示装置的触摸信号，并将该触摸信号传输至处理设备。
具体的，在会议场景中，大屏幕显示装置具有触控功能，能够实时的接收用户的触控操作，大屏幕显示装置将该触控操作转化为触摸信号，并将该触摸信号通过无线网络传输给数据传输装置，数据传输装置将该触摸信号发送给处理设备，处理设备对该触摸信号进行响应或根据触摸信号启动相应的应用程序，以便实现触摸回传功能，增加人机交互的体验性。
在本发明实施例中，由于处理装置的操作***自身支持通过DP(DisplayPort)接口进行音视频数据发送，因此，通过对无线传屏器的重新设计，使得无线传屏器直接采用自身的TypeC接口与处理装置的TypeC接口连接，处理装置通过TypeC接口直接向无线传屏器发送DP协议格式的媒体数据。在该DP(DisplayPort)的工作模式下，处理装置在无需安装特定驱动程序的情况下，就可以向无线传屏器免驱发送包含音视频数据的媒体内容，节省了驱动程序从无线传屏器向处理装置的时间，也节省了处理装置安装驱动程序的时间，提高了会议的效率。
另外，在本实施例中，处理装置置采用DP(DisplayPort)接口数据传输装置发送音视频数据。DP(DisplayPort)接口具有高的数据带宽，最高支持40G的带宽，并且DP(DisplayPort)接口传输未经过压缩的数据，相对于其它的一些压缩技术，H.264等,DP(DisplayPort)接口传输的数据具有更好的画质。
由于TypeC接口21还有图3所示的电源信号传输引脚V BUS(A9、B4、B9、A4)，无需另外增设接口连接电源，即可获取处理装置的电源信号，为***装置中的微处理器24等需要供电的部件供电，此外，TypeC接口21还有图3所示的USB2.0数据传输引脚D+和D-，可以利用这两个引脚传输其他数据，因此， 本实施例***装置包括TypeC接口21，以TypeC接口21中的差分信号传输引脚作为屏幕数据接收口，具有可以使***装置功能多样化的优点。数据传输装置还包括第一转换IC23，即第一数据转换芯片，用于将从用户的处理装置中接收到的DP(Displayport)协议对应的数据包中的媒体内容转换为适用于微处理器24可转换成数据格式，具体地，第一数据转换芯片可将媒体内容的视频部分转换成MIPI格式的数据，并将媒体内容的音频部分转换成I2S格式的数据，两者也称第一格式数据。MIPI视频数据可以包含包括以YUV格式表示的像素的图像帧序列；I2S音频信号可以以脉冲编码调制(PCM)格式呈现。经过第一数据转换芯片的格式转换后可以向微处理器24提供这种两种格式化的媒体数据，在一个具体的实施例中，微处理器24为硬件处理器(如ARM处理器)，微处理器24可以通过编程支持视频/音频编码器来压缩视频数据和音频数据。该微处理器24可以根据视频压缩标准(如H.264、H.265等)对MIPI视频数据进行编码，并根据音频压缩标准(如OPUS音频编解码标准或MP3标准或AAC)对I2S音频数据进行编码，两者也称第二格式数据。
微处理器24将编码后的视频数据、音频数据发送至无线模组12，无线模组12具体为第一无线发射机/接收器，无线模组12可通过无线网络将编码、压缩的视频数据和音频数据传送给与数据传输装置相互配对好的大尺寸显示屏或者大尺寸触控显示屏的第二无线发射机/接收器。无线模组12可以包括与无线网络配对的无线网卡，用于与与大屏幕触摸屏相连的第二无线发射机/接收器进行通信。因此，用户不需要在处理装置上执行任何网络配置。与大尺寸显示屏或者大尺寸触控显示屏相关联的处理器可以执行解码器程序，该程序可将压缩视频数据和压缩音频数据转换为适合在屏幕上显示的格式，大尺寸显示屏或者大尺寸触控显示屏即可显示与用户处理装置上同样的媒体内容。如此，用户可以安全地将其处理装置上的媒体内容共享到大尺寸显示屏或者大尺寸触控显示屏的触摸屏上，并且 无需在处理装置上上传或安装专用程序。用户只需将数据传输装置***其处理装置上的USB-Type-C接口，即可完成分享过程。
具体地，本实施例中还包括与微处理器24连接、配对的触发装置，用户可以通过控制该触发装置，从而控制微处理器24以及无线模组12的工作状态，自由参与分享或者退出分享。例如，在用户通过触发装置产生用于指示开始传屏的第一用户操作时，微处理器24响应触发装置触发，从而开始对视频数据、音频数据进行压缩、编码，从而通过无线模组12发送至大尺寸显示屏或者大尺寸触控显示屏；又或，在用户通过触发装置产生用于指示停止屏幕传输的第二用户操作时，微处理器24响应触发装置另一次触发，从而停止对视频数据、音频数据的压缩、编码以及停止通过无线模组12发送至大尺寸显示屏或者大尺寸触控显示屏，对从第一数据转换芯片接收到的视频数据、音频数据作丢弃处理。具体地，触发装置可以为实体硬件，也可为虚拟按键，可以与数据传输装置一体设置，也可以与数据传输装置分体设置，例如触发装置可以为与数据传输装置相互配对好的红外遥控器。
在本实施例中，具体实现过程如下：
100、通过数据传输装置的TypeC接口21连接至用户的处理装置(如个人电脑或智能手机，又称用户的终端设备或终端设备)的USB-Type-C接口，响应于数据传输装置的***，处理装置通过USB-Type-C接口的电源引脚给数据传输装置提供基础工作电压，数据传输装置的第一数据转换芯片以及微处理器在基础工作电压的驱动下通电工作。处理装置USB-Type-C接口的配置引脚(CC引脚)与数据传输装置的TypeC接口21的CC脚(详见图3中的A5)相互电连接。
200、处理装置通过USB-Type-C接口的CC引脚向数据传输装置发送询问数据包，该询问数据包可以为VDM信号。
300、数据传输装置在接收到该VDM信号后，通过其TypeC接口21中的 CC引脚向处理装置发送应答信息，应答信息包括数据传输装置的工作模式为DP(DisplayPort)模式、数据传输装置具体的工作电压范围等信息。
400、处理装置根据应答信息调整USB-Type-C接口的工作模式，具体包括：
根据数据传输装置的工作电压范围，处理装置通过与USB-Type-C接口相互配合的TypeC接口21的电源引脚(详见图3中的A9、B4、B9、A4)，调整数据传输装置的工作电压；
处理装置调用其操作***预装的DP(DisplayPort)驱动，从显存获取包含显示数据的媒体内容，包括视频数据以及音频数据，并将其按照DP(DisplayPort)协议进行封装，并通过USB-Type-C接口的差分引脚发送至TypeC接口21中的差分引脚对。
具体地，媒体内容包括但不限于处理装置屏幕展示的音视频内容。
同时，处理装置调整USB-Type-C接口的差分引脚工作在DP(DisplayPort)模式下，在本实施例中，TypeC接口21中的四对差分引脚详见图3中的A11、B2、A10、B3、A4、B10、A2、B11，均为工作在DP(DisplayPort)模式下，按照DP(DisplayPort)协议外出输出显示信号，四对差分引脚对同时工作，拥有更佳的传输带宽。又或者，在满足传输带宽的要求的前提下，可以使用一对、两对或者三对差分引脚进行传输，视具体的工况需要进行对应的调整。
500、数据传输装置的第一数据转换芯片通过TypeC接口21中的四对差分引脚详见图3中的A11、B2、A10、B3、A4、B10、A2、B11，接收来着处理装置的DP(DisplayPort)协议格式下的媒体内容的数据包，第一数据转换芯片可将媒体内容的视频部分转换成MIPI格式的数据，并将媒体内容的音频部分转换成I2S格式的数据，并将转换之后的数据发送给微处理器24。
600、数据传输装置的微处理器24接收到来着触发装置的传屏触发信号，微处理器24根据视频压缩标准(如H.264、H.265等)对MIPI视频数据进行编码， 并根据音频压缩标准(如OPUS音频编解码标准或MP3标准、AAC等)对I2S音频数据进行编码，并将压缩编码后的视频数据、音频数据通过通过无线模组12发送至相互配对好的大尺寸显示屏或者大尺寸触控显示屏。在本实施例中，无线模组12采用WiFi协议与大尺寸显示屏或者大尺寸触控显示屏进行通讯。
700、大尺寸显示屏或者大尺寸触控显示屏通过与无线模组12配对好的第二无线发射机/接收器接收压缩编码后的媒体内容，并进行解码播放。
800、数据传输装置的微处理器24接收到来自触发装置的传屏停止信号，微处理器24从而停止对视频数据、音频数据的压缩、编码以及停止通过无线模组12发送至大尺寸显示屏或者大尺寸触控显示屏，微处理器24对从第一数据转换芯片接收到的视频数据、音频数据作丢弃处理。
在此基础上，本发明实施例包括可选的进一步的改进方案，***装置中的微处理器24包括第一数据输入端口、第二数据输入端口和无线模组连接端口；其中，第一数据输入端口连接差分信号传输引脚，无线模组连接端口连接无线模组12；TypeC接口21包括的USB2.0数据传输引脚用于连接处理装置的相应引脚。相应引脚指可以相互匹配连接、功能相同的接口引脚，处理装置中的USB2.0接口、USB3.0接口和TypeC接收口都具有与***装置TypeC接口21的USB2.0数据传输引脚相应的USB2.0数据传输引脚D+和D-。TypeC接口21的USB2.0数据传输引脚可以通过直接插接或连接接口转换器的方式实现连接处理装置中的相应引脚。
第二数据输入端口连接TypeC接口21的USB2.0数据传输引脚。即在该改进方案中，微处理器24还起到端口扩展的作用，建立TypeC接口21的差分信号传输引脚与无线模组12的连接路径，以及，TypeC接口21的USB2.0数据传输引脚与无线模组12的连接路径。当***装置的TypeC接口21***处理装置的TypeC插座时，差分信号传输引脚以及USB2.0数据传输引脚与处理器的对应 引脚连接，不仅能传输视频数据，还可以传输其他编码为USB2.0的数据。例如传输指定文档、图片、应用程序或人机交互控制数据等，进一步丰富***装置的功能。
在此基础上，本实施例包括可选的进一步的改进方案：无线模组12还用于接收无线通信网络中与其配对的网络节点发送的屏幕控制信号；微处理器24还用于将无线模组连接端口输入的来自无线模组12的信号封装成HID设备输出信号，即模拟成由HID设备(Human Interface Device，人机交互设备)输出的信号，并从所述第二数据输入端口输出所述HID设备输出信号，则该HID设备输出信号会经TypeC接口21的USB2.0数据传输引脚以及处理装置的相应引脚，传输到处理装置中。
在该改进方案中，无线模组12经微处理器24往TypeC接口21的USB2.0数据传输引脚的传输路径用于传输屏幕控制信号。在会议场景中，大屏幕平板的屏幕控制信号回传到信号源，使得信号源根据该屏幕控制信号调整屏幕画面，是尤为重要的一种功能，本实施例利用TypeC接口21丰富的功能引脚，实现传屏并回传屏幕控制信号，使得***装置应用于会议场景时，人们可以在大屏幕平板上操控个人计算机，从而人们在大屏幕平板上演示内容的时候操作更自由，提高会议效率。并且在该改进方案中，微处理器24还用于将无线模组12传输的屏幕控制信号封装为HID设备输出信号，即微处理器24模拟为HID设备(例如键盘)，处理装置能够直接处理HID设备输出信号，从而无需驱动程序解析屏幕控制信号，提高屏幕控制信号回传控制的效率。
在此基础上，本实施例包括可选的进一步的改进方案：***装置还包括存储器25；存储器25存储有可执行程序；该可执行程序用于在被下载到处理装置后，被处理装置的第一处理器运行，以使该第一处理器将该第一处理器当前输出至第一显示器的第二音视频数据压缩为USB2.0数据，从处理装置的相应引脚输出所 述USB2.0数据。即该可执行程序被处理装置下载后，音视频数据可以通过USB2.0数据传输引脚经微处理器24往无线模组12的传输路径被传输。
该可执行程序存储于***装置中的存储器25，因此，在使用过程中，可以方便地获取到该可执行程序。具体地，微处理器24还用于在被触发时从存储器25获取所述可执行程序，并从第二数据输入端口输出所述可执行程序，则所述可执行程序可以经过TypeC接口21的USB2.0传输引脚被传输到处理装置中。微处理器24还用于对所述第二数据输入端口接收到的USB2.0数据进行编码处理得到第三音视频数据，从所述无线模组连接端口输出所述第三音视频数据，则无线模组12会接收到第三音视频数据，无线模组12还用于将接收到的第三音视频数据传输到无线通信网络中与其配对的网络节点。
需要说明的是，处理装置的与TypeC接收口的USB2.0数据传输引脚相应的引脚可以是TypeC插座中的引脚，也可以是USB2.0插座或USB3.0插座中的引脚，当处理装置具有TypeC插座时，***装置可以直接将TypeC接口21***该插座中，利用差分信号传输引脚传输DP视频数据，***装置和处理装置的USB2.0数据传输引脚对应连接，可以传输其他数据；当处理装置没有TypeC插座，仅有USB2.0插座或USB3.0插座时，只需在***装置的TypeC接口21上接入一个TypeC插座转USB2.0插头或USB3.0插头的接口转换器，则***装置可以***处理装置的对应插座，处理装置可以下载该程序，然后将当前输出至第一显示器的第二音视频数据压缩为USB2.0数据并输出，通过USB2.0数据传输引脚传输到***装置中。提高***装置使用的兼容性。
优选地，存储器25为flash存储器(闪存)，flash存储器是一种非易失性(Non-Volatile)内存，在没有电流供应的条件下也能够长久地保持数据，其存储特性相当于硬盘，因此成为各类便携型数字设备的存储介质，非常适合***装置长期保存程序。
在上述各方案的基础上，本实施例提供可选的进一步的改进方案，TypeC接口21还包括图3所示的电源信号传输引脚V BUS；微处理器24还包括用于获取电源的供电端口；电源信号传输引脚V BUS用于连接处理装置的供电输出引脚；TypeC接口21的电源信号传输引脚V BUS可以连接微处理器24的供电端口。即处理装置为***装置中的微处理器24供电，从而无需在***装置中设置电源，减少***装置的体积以及提高***装置使用的便捷程度。
进一步地，微处理器24具有多个供电端口；如图2所示，***装置还包括用于将输入的单一电源信号转换为多个电压值不同的电源信号输出的电源管理模块27；电源管理模块，即PMU(power management unit)，是一种高度集成的、针对便携式应用的电源管理方案，将传统分立的若干类电源管理器件整合在单个的封装之内，这样可实现更高的电源转换效率和更低功耗,及更少的组件数以适应缩小的板级空间。电源管理模块27连接于电源信号传输引脚和微处理器24的供电端口之间，其中，电源管理模块27的输入端连接电源信号传输引脚，电源管理模块27的多个输出端与微处理器24的多个供电端口一一对应连接。由于微处理器24可以执行多种功能程序的处理，不同的功能程序对上电时序和电源要求有可能不同，增加电源管理模块27可以输出不同的电压值，甚至可以控制输出的时序，满足微处理器24的多样化需求。例如如图2所示，电源管理模块27输出1.5V、1.8V、3.3V或1V电压。
在上述方案的基础上，本实施例还提供可选的进一步的改进方案：***装置还包括用于将输入的DP视频数据转换为MIPI视频数据输出的第一转换IC23，第一转换IC23连接于差分信号传输引脚与微处理器24的第一数据输入端口之间，其中，第一转换IC23的输入端连接差分信号传输引脚，第一转换IC23的输出端连接微处理器24的第一数据输入端口。由于目前市场上可用于传输视频数据的微处理器类型较少，可以支持的端口类型也较少，MIPI端口为其中一种应用较 为广泛的微处理器端口，而将DP视频数据转换为MIPI视频数据的转换IC也相对应用较为广泛，因此第一数据输入端口为MIPI端口，第一转换IC23将DP视频数据转换为MIPI视频数据输出到微处理器24，更方便本领域技术人员实施本发明提供的技术方案，提高实用性。
一般地，第一转换IC23也需要供电，为了节省能耗，***装置还包括供电模块26，可以包括DC-DC(直流转直流)电路和/或LDO(low dropout regulator，低压差线性稳压器)电路。供电模块26的输入端连接TypeC接口21的电源信号传输引脚，输出端连接第一转换IC23的供电端口。
优选地，经微处理器24压缩编码后的第一音视频数据为H264音视频数据、H265音视频数据或MPEG音视频数据。
如前文所述，目前市场上可用于传输视频数据的微处理器类型较少，本实施例优选地以网络摄像机(IP Camera)处理器作为微处理器24。网络摄像机处理器是一种应用较为成熟的用于在通信网络中传输视频数据的微处理器，可实现压缩编码功能，并内置基于Web的操作***，使得视频数据可通过网络送至终端用户。
优选地，所述无线模组为WiFi模块。WiFi是一种常见的组建局域网的方式，使用WiFi模块可以提高***装置的易用性。
进一步地，微处理器24还用于提供第二操作***实现所述WiFi模块的配对管理。
图4是本发明实施例提供的***装置的另一种实施方式的结构示意图。
这种实施方式将上述技术方案中的第一转换IC替换为第二转换IC28和第三转换IC29。其中第二转换IC28用于将输入的DP视频数据转换为HDMI视频数据输出，第三转换IC29用于将输入的HDMI视频数据转换为BT1120数据或BT656数据输出。第二转换IC 28和第三转换IC 29连接于差分信号传输引脚与 微处理器24的第一数据输入端口之间，其中，第二转换IC 28的输入端连接所述差分信号传输引脚，第二转换IC 28的输出端连接第三转换IC 29的输入端，所述第三转换IC 29的输出端连接微处理器24的第一数据输入端口。BT1120或BT656端口也是微处理器24的一种常见端口，第二转换IC28和第三转换IC29也相对应用较为广泛，因此，图4的实施方式是提供了另一种提高***装置易用性的方案。
可选的，图4所示的***装置结构示意图还包括供电模块26、电源管理模块27或flash存储器25，相应的连接结构和功能可参考上述与图2对应的技术方案设置。
综上所述，本发明实施例的技术方案，***装置包括能够直接获取处理装置的屏幕数据的屏幕数据接收口，还包括能将屏幕数据传输到无线通信网络中的无线模组，则当***装置***处理装置时，***装置自动获取处理装置输出到显示器的屏幕数据，并发送到通信网络中，实现不用安装驱动程序则可以传屏到通信网络中其他网络节点进行显示，相比现有技术采用USB接口传递压缩编码后的数据到无线模组，本实施例的技术方案具有免驱动传屏、减少传屏前的准备时间且不占用处理装置资源的效果。免驱动传屏是不需要对***装置插接的处理装置进行改造即可实现传屏，在多人会议场合，无需安装驱动程序对会议人员的个人计算机进行改造，一方面提高了传屏效率，另一方面还保障会议人员个人计算机的安全。并且，本实施例的技术方案，基于屏幕数据接收口为TypeC接口中的差分信号传输引脚，提供了多种可选的改进方案，利用TypeC接口的多种功能性引脚，不仅提高了兼容性，还丰富了***装置的功能。
图5是本发明实施例提供的会议工具的一种实施方式的结构示意图。本实施例提供一种会议工具，包括显示装置节点53、第二显示器54以及至少一个本发 明任意实施例提供的***装置51；***装置51至少包括屏幕数据接收口511和无线模组512。
显示装置节点53连接第二显示器54；显示装置节点53用于与无线通信网络52中的***装置51配对，接收来自***装置51的音视频数据，并控制第二显示器54显示音视频数据对应的媒体内容。
其中，音视频数据可以是上述本发明实施例技术方案中涉及的由处理装置和***装置传输和处理的第一音视频数据、第二音视频数据或第三音视频数据。
由于包括本发明实施例提供的***装置51，因此，图5所示的会议工具具备相应的有益效果。
进一步地，本发明实施例提供的会议工具在图5的基础上上，还可以包括输入装置，所述输入装置用于使得用户能够进行用户操作，该用户操作触发所述音视频数据对应的媒体内容在所述第二显示器显示。例如，第二显示器54为会议用大屏幕平板，输入装置可以是在大屏幕平板上设置的触控面板，用户可以在触控面板上通过触摸操作切换大屏幕平板的显示信号源，使大屏幕平板显示该显示装置节点53接收到的屏幕数据对应的媒体内容。
图6是本发明实施例提供的会议工具的另一种实施方式的结构示意图，该会议工具包括***装置51和接口转换器61；***装置51包括TypeC插头511、微处理器(图中未示出)和无线模组512；接口转换器61包括TypeC插座62和USB插头63，USB插头为USB2.0插头或USB3.0插头。显然，接口转换器61用于将TypeC插座62转换为USB插头63，因此，TypeC插座62与USB插头63中相同功能的引脚互相匹配连接。
***装置51的TypeC插头511用于连接处理装置的TypeC插座或接口转换器61的TypeC插座62；接口转换器61的USB插头63用于连接处理装置的USB 插座；所述USB插座为USB2.0插座或USB3.0插座。
微处理器包括第一数据输入端口、第二数据输入端口和无线模组连接端口；***装置51的TypeC插头511中的差分信号传输引脚用于获取处理装置从TypeC插座输出的第一音视频数据；一般地，TypeC插座输出的第一音视频数据为DP视频数据；微处理器的第一数据输入端口连接TypeC插头511中的差分信号传输引脚，微处理器用于将所述第一音视频数据压缩后传输到无线模组连接端口进行输出；
TypeC插头511中的USB2.0数据传输引脚用于获取处理装置从TypeC插座或USB插座输出的USB2.0数据；微处理器的第二数据输入端口连接TypeC插头511中的USB2.0数据传输引脚；微处理器还用于对第二数据输入端口接收到的USB2.0数据进行编码处理得到第三音视频数据，从无线模组连接端口输出所述第三音视频数据；
所述无线模组连接端口连接无线模组512；无线模组512用于与无线通信网络进行通信，将来自所述微处理器的屏幕数据传输到所述无线通信网络中与其配对的网络节点。即无线模组512可以接收到处理装置从USB插座输出的USB2.0数据经过编码处理后得到的第三音视频数据，也可以接收到从处理装置TypeC插座输出后经过微处理器压缩编码的第一音视频数据，将其传输到无线通信网络中。如果处理装置具有TypeC插座，则对第一音视频数据进行接口格式转换和压缩后传输到无线通信网络中。如果处理装置没有TypeC插座，则通过接口转换器61的转换，***装置中的USB2.0数据传输引脚获取到USB2.0数据后按预设的编解码规则解析得到第三音视频数据。因此，本实施例提供的是一种兼容性强的会议工具，可以获取具有USB插座或TypeC插座的处理装置的屏幕数据，并传送到无线通信网络中，被无线通信网络中的会议用大屏幕平板捕获，从而实现无线传屏。
进一步地，会议工具还包括存储器，所述存储器用于存储可执行程序，所述可执行程序用于在被下载到处理装置后，被所述处理装置的第一处理器运行，以使第一处理器将所述第一处理器当前输出至第一显示器的第二音视频数据压缩为USB2.0数据，从所述处理装置的TypeC插座或USB插座输出所述USB2.0数据。
进一步地，所述存储器集成在所述***装置51中；所述微处理器还用于在被触发时从所述存储器获取所述可执行程序并从所述第二数据输入端口输出所述可执行程序。存储器集成在***装置51中，可以方便处理装置下载程序，使得对于只有USB插座的处理装置而言，获取其屏幕数据的准备时间也得到减少。提高无线传屏的速率。
进一步地，所述无线模组512还用于接收无线通信网络中与其配对的网络节点发送的屏幕控制信号；所述微处理器还用于将所述无线模组连接端口输入的来自所述无线模组的信号封装成HID设备输出信号，并从所述第二数据输入端口输出所述HID设备输出信号。该进一步方案可以实现会议用大屏幕平板上的屏幕控制信号的回传，使得人们可以在会议用大屏幕平板上控制处理装置的画面，并接收到受控的屏幕数据。
作为其中一种优选实施方式，所述***装置51还包括用于将输入的DP视频数据转换为MIPI视频数据输出的第一转换IC；
所述第一转换IC连接于所述差分信号传输引脚与所述微处理器的第一数据输入端口之间，其中，所述第一转换IC的输入端连接所述差分信号传输引脚，所述第一转换IC的输出端连接所述微处理器的第一数据输入端口。
本发明实施例提供的会议工具包括本发明任意实施例提供的***装置，因此，具备相应的有益效果。此外，本发明实施例提供的会议工具具备强兼容性。
图7是本发明实施例提供的会议工具***的一种实施方式的结构示意图，包括显示装置节点53、第二显示器54以及上述实施方式提供的包括***装置51和接口转换器61的会议工具；***装置51包括TypeC插头511、微处理器(图中未示出)和无线模组512；接口转换器61包括TypeC插座62和USB插头63，USB插头63为USB2.0插头或USB3.0插头。
显示装置节点53连接第二显示器54；显示装置节点53用于与无线通信网络52中的***装置51配对，接收来自***装置51的音视频数据，并控制第二显示器54显示音视频数据对应的媒体内容。
本发明实施例提供的会议工具***包括本发明任意实施例提供的包括***装置和接口转换器的会议工具，因此，具备相应的有益效果。
需要说明的是，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
注意，上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解，本发明不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本发明的保护范围。因此，虽然通过以上实施例对本发明进行了较为详细的说明，但是本发明不仅仅限于以上实施例，在不脱离本发明构思的情况下，还可以包括更多其他等效实施例，而本发明的范围由所附的权利要求范围决定。

Claims (21)

  1. 一种数据传输装置，其特征在于，所述数据传输装置包括TypeC接口、无线模组、第一数据转换芯片及微处理器；所述TypeC接口与所述第一数据转换芯片相连接，所述第一数据转换芯片与所述TypeC接口、微处理器连接，所述微处理器与所述无线模组连接；
    所述TypeC接口用于接收DP协议格式的媒体数据，所述媒体数据为终端设备的屏幕上展示的媒体内容；
    所述第一数据转换芯片用于接收所述TypeC接口发送的DP协议格式的媒体数据，用于将所述媒体数据转换为第一格式数据；
    所述微处理器用于接收所述第一格式数据，将该第一格式数据压缩编码为第二格式数据；
    所述无线模组用于将所述第二格式数据发送。
  2. 根据权利要求1所述的数据传输装置，其特征在于，还包括触发装置，该触发装置用于接收第一用户操作，所述第一用户操作为传屏触发信号；
    所述第一用户操作用于触发所述微处理器将第一格式数据转化为第二格式数据，以及用于触发所述无线模组对第二格式数据的发送。
  3. 根据权利要求2所述的数据传输装置，其特征在于，其中，在所述触发装置接收第一用户操作之前，所述微处理器对接收到的所述第一格式数据作丢弃处理。
  4. 根据权利要求1所述的数据传输装置，其特征在于，所述TypeC接口包括至少一对差分信号传输引脚，至少一对所述差分信号传输引脚用于接收DP协议格式的媒体数据。
  5. 根据权利要求1所述的数据传输装置，其特征在于，所述TypeC接口还包括配对通讯引脚，所述配对通讯引脚用于发送第一请求信号，所述第一请求信号用于请求终端设备向至少一对所述差分信号传输引脚发送DP协议格式的媒体数据。
  6. 根据权利要求5所述的数据传输装置，其特征在于，所述配对通讯引脚还用于发送第二请求信号，所述第二请求信号用于请求终端设备按照所述数据传输装置的供电需求进行供电。
  7. 根据权利要求1所述的数据传输装置，其特征在于，所述第一格式数据包括MIPI格式的视频数据和/或I2S格式的音频数据。
  8. 根据权利要求1所述的数据传输装置，其特征在于，所述第二格式数据包括H.264/H.265格式的视频数据和/或AAC格式的音频数据。
  9. 根据权利要求1所述的数据传输装置，其特征在于，所述TypeC接口还包括USB2.0数据传输引脚，所述USB2.0数据传输引脚与所述微处理器连接。
  10. 根据权利要求9所述的数据传输装置，其特征在于，所述无线模组还用于从通信网络接收触摸信号，并通过所述USB2.0数据传输引脚传输至终端设备。
  11. 根据权利要求10所述的数据传输装置，其特征在于，所述微处理器还用于将所述无线模组从通信网络接收的触摸信号封装成HID设备格式信号。
  12. 根据权利要求10所述的数据传输装置，其特征在于，还包括存储器，所述存储器与所述微处理器电连接；
    所述存储器存储有可执行程序；所述可执行程序用于被下载至终端设备后运行，所述可执行程序还用于在终端设备运行时触发终端设备获取媒体内容，并触发终端设备将获取的媒体内容压缩编码为USB2.0数据；
    所述微处理器用于在被触发时从所述存储器获取所述可执行程序，并将所述可执行程序发送至终端设备；所述微处理器还用于将接收到的USB2.0数据通过所述无线模组发送。
  13. 根据权利要求1所述的数据传输装置，其特征在于，还包括第二数据转换芯片，所述第一数据转换芯片通过所述第二数据转换芯片连接至所述微处理器。
  14. 一种数据传输方法，其特征在于，包括：
    通过TypeC接口与终端设备的TypeC接收口的连接，启动上电；
    通过所述TypeC接口的配对通讯引脚向所述终端设备发送请求信号，所述请求信号用于请求所述终端设备向所述TypeC接口的至少一对差分信号传输引脚发送DP协议格式的媒体数据；
    通过所述差分信号传输引脚接收DP协议格式的媒体数据，其中，所述媒体数据包括来自所述终端设备的屏幕上展示的视频数据或音频数据中的至少一个；
    根据预设的编码方案，对所述媒体数据进行压缩；
    将所述压缩的媒体数据通过无线网络发送至会议显示装置用于显示。
  15. 根据权利要求14所述的数据传输方法，其特征在于，
    所述通过所述TypeC接口的配对通讯引脚向所述终端设备发送请求信号，所述请求信号用于请求所述终端设备向所述TypeC接口的至少一对差分信号传输引脚发送DP协议格式的媒体数据，具体为：
    接收所述终端设备通过其TypeC接口发送的询问数据包，所述询问数据包为VDM信号；
    通过所述TypeC接口向所述终端设备发送应答信息，所述应答信息包括当前工作模式为DP模式的信息。
  16. 根据根据权利要求14或15所述的数据传输方法，其特征在于，所述根据预设的编码方案，对所述媒体数据进行压缩，具体为：
    将所述DP协议格式的媒体数据压缩为H.264/H.265格式的数据和/或AAC格式的数据。
  17. 根据权利要求16所述的数据传输方法，其特征在于，
    在对所述DP协议格式的媒体数据压缩为H.264/H.265格式的数据和/或AAC格式的数据之前，还接收传屏启动指令。
  18. 根据权利要求14或15所述的数据传输方法，其特征在于，所述根据预设的编码方案，对所述媒体数据进行压缩，具体为：
    将所述DP协议格式的媒体数据转换为MIPI格式的视频数据和/或I2S格式的音频数据，再将所述的MIPI格式的视频数据和/或I2S格式的音频数据压缩为H.264/H.265格式的数据和/或AAC格式的数据。
  19. 根据权利要求18所述的数据传输方法，其特征在于，
    在将所述的MIPI格式的视频数据和/或I2S格式的音频数据压缩为H.264/H.265格式的数据和/或AAC格式的数据之前，还接收传屏启动指令。
  20. 根据权利要求14所述的数据传输方法，其特征在于，所述方法还包括：
    接收来自会议显示装置的触摸信号，并将所述触摸信号传输至处理设备，以使得所述处理设备根据所述触摸信号进行相应的操作。
  21. 一种数据传输方法，应用在无线传屏器中，其特征在于，所述无线传屏器包括TypeC接口、无线模组、数据转换芯片及微处理器；所述TypeC接口与所述数据转换芯片相连接，所述数据转换芯片与所述TypeC接口、所述微处理器分别连接，所述微处理器与所述无线模组连接；
    所述无线传屏器的TypeC接口与终端设备的TypeC接收口的连接，启动上电；
    所述数据转换芯片通过所述TypeC接口的配对通讯引脚向终端设备发送请求信号，所述请求信号用于请求所述终端设备向所述TypeC接口的至少一对差分信号传输引脚发送DP协议格式的媒体数据；
    所述数据转换芯片通过所述差分信号传输引脚接收DP协议格式的媒体数据，其中，所述媒体数据包括来自所述终端设备的屏幕上展示的视频数据或音频数据中的至少一个；
    所述数据转换芯片将所述DP协议格式的媒体数据转换为MIPI格式的视频数据和/或I2S格式的音频数据；
    所述数据转换芯片将所述MIPI格式的视频数据和/或I2S格式的音频数据发送给所述微处理器；
    所述微处理器接收传屏启动指令；
    所述微处理器将所述MIPI格式的视频数据和/或I2S格式的音频数据压缩为H.264/H.265格式的数据和/或AAC格式的数据；
    所述微处理器将所述H.264/H.265格式的数据和/或AAC格式的数据通过所述无线模组发送至会议显示装置用于显示。
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