CN113873306A - Method for projecting real-time translation caption superposition picture to live broadcast room through hardware - Google Patents
Method for projecting real-time translation caption superposition picture to live broadcast room through hardware Download PDFInfo
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- CN113873306A CN113873306A CN202111112995.7A CN202111112995A CN113873306A CN 113873306 A CN113873306 A CN 113873306A CN 202111112995 A CN202111112995 A CN 202111112995A CN 113873306 A CN113873306 A CN 113873306A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/40—Processing or translation of natural language
- G06F40/58—Use of machine translation, e.g. for multi-lingual retrieval, for server-side translation for client devices or for real-time translation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
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- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Artificial Intelligence (AREA)
- General Health & Medical Sciences (AREA)
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- General Engineering & Computer Science (AREA)
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a method for projecting a real-time translation caption superposition picture to a live broadcast room through hardware, which comprises the following steps: collecting video image data and audio voice data of an entity live broadcast room; inputting the audio voice data into a parsing library of a voice transcription and translation engine; receiving text subtitle data after voice analysis and translation, and overlapping a corresponding text layer with a video picture of a camera; combining the subtitle data with the video image data; the processing equipment converts the video image data containing the subtitle graphic layer into a camera signal and sends the camera signal to the live broadcast equipment; a live broadcast platform APP or stream pushing software of live broadcast equipment receives a video image data signal containing a caption layer; and displaying the picture superimposed with the real-time voice translation caption in the live webcast room. The invention adopts a non-invasive hardware means to replace an original camera of live broadcast equipment to project a signal of a translation caption superposed video picture into a standard live broadcast room, and can fully meet the working requirements of cross-border live broadcast operators.
Description
Technical Field
The invention relates to the technical field of cross-border E-commerce live broadcast, in particular to a method for projecting a real-time translation subtitle superposition picture to a live broadcast room through hardware.
Background
The network live broadcast room is the most common mode for live broadcast of cross-border E-commerce, delivery, popularization and marketing at present: the direct broadcasting room function provided by the flow platform APP is used on a foreign market-oriented flow platform APP, a main broadcasting is started in front of a shot, and a promotion language is used for introducing products to audiences entering the direct broadcasting room and guiding the audiences to purchase the products. Because the domestic cross-border e-commerce has a language threshold, the foreign language spoken language is a short board for most domestic cross-border e-commerce practitioners, and therefore the effect of the cross-border e-commerce practitioners on developing language promotion activities in the live broadcasting rooms is limited. Because the existing live broadcast room on the foreign traffic platform basically does not have the real-time voice translation function, the requirement of domestic cross-border electricity business employees on the function is far from being met.
Currently, some cross-border electricity business practitioners push stream to a live broadcasting room by installing a real-time translation subtitle plug-in on an OBS (Open broadcast Software), but this scheme has the following disadvantages: firstly, the OBS can only be operated on a computer, so that the live broadcast environment is limited; secondly, push streaming can not be performed in any live broadcast room; thirdly, no stable and shared real-time voice translation subtitle plug-in is available in the OBS live broadcast room at present. Another solution is to install a plug-in the mobile phone of the mobile phone APP live broadcast room of the traffic platform, but the plug-in will modify the parameters and codes of the original live broadcast room APP, and need to crack and intercept the normally transmitted network information stream, which is obviously not compliant.
Most of the domestic existing applications about the subtitle real-time translation patents are focused on improving the real-time translation efficiency. For example, chinese patent application CN201910999224.0 discloses a real-time translation method, medium and terminal for information interaction, which translates the information into a second language after recognizing the voice type of the information when receiving the information, so that the user can instantly and conveniently obtain the content of the information at the first time when receiving the information, which is limited to a real-time voice translation method; chinese patent application CN201811523195.2 discloses a live scene oriented real-time caption translation and system implementation method, which includes: the method is characterized in that a deep convolutional neural network is trained by using a training data set, Fourier transform is carried out on each frame of input voice, time and frequency are taken as two dimensions of an image, a spectrogram of an input voice signal is obtained, the obtained spectrogram is input into the trained deep convolutional neural network, text data corresponding to the voice signal is obtained, and the text data is displayed on a screen in real time. The method belongs to the functional technology embedded into a live broadcast room. In fact, most live broadcasting rooms are served to local users, so that the live broadcasting rooms are not provided with real-time voice caption translation functions.
The technical problems solved by the existing researches are mainly focused on how to improve the real-time translation efficiency, and the existing technologies cannot introduce real-time translation under the condition of not modifying APP codes, parameters and network data stream transmission codes of a standard universal live broadcast room platform and cannot be applied in the existing cross-border e-commerce universal live broadcast room scene. Therefore, there is an urgent need to develop a system and method for projecting the real-time voice translation subtitle superposition picture to the live broadcasting room through hardware, so as to help domestic cross-border e-commerce sell products manufactured in china to the world.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides a method for projecting a real-time translated subtitle overlay picture to a live broadcast room via hardware, which can overcome the above disadvantages of the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
a method for projecting real-time translation caption superposition pictures to a live broadcast room through hardware comprises the following steps:
s1, collecting video image data and audio voice data of an entity live broadcast room;
s2, inputting the collected audio voice data into an analysis library of a voice transcription and translation engine, and analyzing to generate text subtitle data;
s3, overlapping the corresponding text subtitle layer with the video picture of the camera to generate video image picture data with the subtitle layer overlapped;
s4, converting the video image data containing the caption graphic layer into a camera signal by the processing equipment, and transmitting the camera signal to the live broadcast equipment through the camera signal input end in an MIPI or HDMI or USB hardware transmission mode;
s5, receiving a video image data signal containing a caption layer by a live broadcast platform APP or stream pushing software of live broadcast equipment;
and S6, displaying the picture superimposed with the real-time voice translation subtitles in the live webcast room.
Preferably, the capturing of the video image data in step S1 is performed by a camera, and the capturing of the audio voice data in step S1 is performed by an audio capturing module.
Preferably, the step S2 specifically includes the following steps:
s21, inputting the audio voice data into the analysis library of the voice transcription engine, and analyzing the voice transcription in the audio voice data into corresponding original text subtitle data;
and S22, generating translated text subtitle data by the original text data through a translation library of the text transfer engine.
Preferably, the translation subtitle data of step S22 includes single or multi-lingual translation data.
Preferably, the step S3 is configured to superimpose the subtitle layer on the video image picture.
Preferably, the steps S1-S4 are integrated in a subtitle overlay system, and the steps S5-S6 are integrated in a standard live-air system.
Preferably, the standard live broadcast room system and the subtitle superposition system are integrated in a live broadcast device capable of completely translating the subtitle in real time and superposing the images of the live broadcast room.
The invention has the beneficial effects that:
the invention adopts a non-invasive hardware transmission means through MIPI or HDMI or USB to replace an original camera of live broadcast equipment to project a signal of a translation caption superposed video picture into a standard live broadcast room, does not modify the original live broadcast program APP of a flow platform, can ensure the integrity of the running environment of the original live broadcast program, does not interfere the normal use of the original live broadcast program, enables live broadcast personnel to use a language to carry out promotion activities on one country or more audiences, and can fully meet the working requirements of cross-border electricity business live broadcast personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic flow diagram of a method for projecting real-time translated subtitle overlays via hardware to a live broadcast room in accordance with an embodiment of the present invention;
FIG. 2 is a detailed flowchart of step S2 in FIG. 1;
fig. 3 is a schematic structural diagram of a live device according to an embodiment of the present invention.
Detailed Description
Embodiments of the invention may be summarized as follows: the method comprises the steps that video image data and audio voice data of an entity live broadcast room are collected by a camera and a microphone audio collection module when live broadcast personnel live broadcast; the voice is transcribed into translation data to obtain a caption layer; superposing the caption layer on the corresponding video image picture; converting a video picture containing a subtitle layer into a camera signal and sending the camera signal to live broadcast equipment; and displaying the picture superimposed with the real-time voice translation caption in the live broadcast room.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1-3, a method for projecting a real-time translated subtitle overlay picture to a live broadcast room via hardware according to an embodiment of the present invention includes the following steps:
s1, collecting video image data and audio voice data of an entity live broadcast room;
s2, inputting the collected audio voice data into an analysis library of a voice transcription and translation engine, and analyzing to generate text subtitle data;
s3, overlapping the corresponding text subtitle layer with the video picture of the camera to generate video image picture data with the subtitle layer overlapped;
s4, converting the video image data containing the caption graphic layer into a camera signal by the processing equipment, and transmitting the camera signal to the live broadcast equipment through the camera signal input end in an MIPI or HDMI or USB hardware transmission mode;
s5, receiving a video image data signal containing a caption layer by a live broadcast platform APP or stream pushing software of live broadcast equipment;
s6, displaying a picture superimposed with the real-time voice translation subtitles in the live webcast room;
as can be understood by those skilled in the art, the above scheme comprises: the method comprises the steps of collecting video image data and audio data of an entity live broadcast room, inputting voice to a voice transcription engine, transcribing the voice into translation data to form an original text corresponding to the voice, generating translation data by the original text data through a text translation engine, generating caption layer data, superposing a caption layer on the corresponding video image layer, coding and converting a generated video picture containing the caption layer into a camera signal, transmitting the camera signal to a standard live broadcast room system through a camera signal input end in an MIPI (mobile industry processor interface) or HDMI (high definition multimedia interface) or USB (universal serial bus) hardware transmission mode, receiving the video data signal containing the caption layer by a live broadcast platform APP (application), and displaying a picture superposed with a real-time voice translation caption in the live broadcast room.
In an embodiment of the present application, the collecting of the video image data in the step S1 is completed by a camera, and the collecting of the audio voice data in the step S1 is completed by a microphone audio collecting module;
the technical personnel in the field can understand that the above scheme enables live broadcast personnel to collect video image data and audio data of an entity live broadcast room by utilizing a camera and a microphone audio collection module when the live broadcast personnel carry out live broadcast. In an embodiment of the present application, the step S2 specifically includes the following steps:
s21, inputting the audio voice data into the analysis library of the voice transcription engine, and analyzing the voice transcription in the audio voice data into corresponding original text subtitle data;
s22, generating translated text subtitle data by the original text data through a translation library of the text transfer engine;
those skilled in the art will appreciate that the above steps can automatically translate the speech data.
In an embodiment of the present application, the translation subtitle data of step S22 includes single or multi-lingual translation data;
those skilled in the art will appreciate that the above scheme can automatically translate and convert one or more countries of language data.
In an embodiment of the application, the step S3 is configured to superimpose the subtitle layer on the video image frame.
As will be appreciated by those skilled in the art, the above arrangement enables a picture superimposed with real-time speech translation subtitles to be displayed in the live broadcast room.
In a specific embodiment of the present application, the steps S1-S4 are integrated in a subtitle superimposition system, and the steps S5-S6 are integrated in a standard live broadcast system; the standard live broadcast room system and the subtitle superposition system are integrated in a live broadcast device which can completely realize real-time voice translation subtitle superposition of live broadcast room pictures;
as can be understood by those skilled in the art, the scheme enables the live broadcast device to be high in integrity and convenient for live broadcast personnel to use.
In conclusion, the invention adopts a non-invasive hardware means to replace an original camera of live broadcast equipment to project a signal of a translation caption superposed video picture into a standard live broadcast room, and can fully meet the working requirements of cross-border live broadcast personnel.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention include, but are not limited to, 1) a non-invasive phase-change implementation of projecting real-time speech translation subtitle-superimposed video images into a software interface such as OBS via hardware transmission signal and then streaming to a standard live broadcast room; 2) a processing module simultaneously transmits the real-time voice translation caption superposed image picture data to a plurality of standard live broadcast room modules in a hardware mode, namely a one-to-many live broadcast group control system implementation form and the like; are intended to be included within the scope of the present invention.
Claims (7)
1. A method for projecting a real-time translated subtitle superposition picture to a live broadcast room through hardware is characterized by comprising the following steps:
s1, collecting video image data and audio voice data of an entity live broadcast room;
s2, inputting the collected audio voice data into an analysis library of a voice transcription and translation engine, and analyzing to generate text subtitle data;
s3, overlapping the corresponding text subtitle layer with the video picture of the camera to generate video image picture data with the subtitle layer overlapped;
s4, converting the video image data containing the caption graphic layer into a camera signal by the processing equipment, and transmitting the camera signal to the live broadcast equipment through the camera signal input end in an MIPI or HDMI or USB hardware transmission mode;
s5, receiving a video image data signal containing a caption layer by a live broadcast platform APP or stream pushing software of live broadcast equipment;
and S6, displaying the picture superimposed with the real-time voice translation subtitles in the live webcast room.
2. The method of claim 1, wherein the capturing of video data in step S1 is performed by a camera, and the capturing of audio data in step S1 is performed by an audio capture module.
3. The method according to claim 1, wherein the step S2 specifically comprises the following steps:
s21, inputting the audio voice data into the analysis library of the voice transcription engine, and analyzing the voice transcription in the audio voice data into corresponding original text subtitle data;
and S22, generating translated text subtitle data by the original text data through a translation library of the text transfer engine.
4. The method for projecting real-time translated subtitle superposition graphics to a live broadcast room of claim 2, wherein the translation subtitle data of step S22 includes single or multi-lingual translation data.
5. The method for projecting real-time translated subtitle overlaying pictures to a live broadcast room through hardware according to claim 1, wherein the step S3 is used for overlaying the subtitle picture layer on the video image picture.
6. The method for hardware projection of a real-time translated subtitle overlay onto a live broadcast room of claim 1, wherein the steps S1-S4 are integrated into a subtitle overlay system and the steps S5-S6 are integrated into a standard live broadcast room system.
7. The method of claim 6, wherein the standard live broadcast room system and the caption overlay system are integrated into a live broadcast device that can completely translate the caption overlay into the live broadcast room.
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| CN202111112995.7A CN113873306A (en) | 2021-09-23 | 2021-09-23 | Method for projecting real-time translation caption superposition picture to live broadcast room through hardware |
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