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Video and audio data processing system and method

A data processing system and audio data technology, applied in image communication, selective content distribution, electrical components, etc., can solve the problems of difficult to transmit signals at the same time, high cost, improve processing efficiency and reduce synchronization delay. Effect

Inactive Publication Date: 2017-09-12
ZHEJIANG RADIO AND TELEVISION GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the above two methods, independent equipment is required to complete the processing of IP signals, the cost is high, and it is difficult to output simultaneously with IP signals and radio and television transmission signals

Method used

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  • Video and audio data processing system and method
  • Video and audio data processing system and method
  • Video and audio data processing system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] like figure 2 As shown, it is a functional block diagram of the video and audio data processing system provided by Embodiment 1 of the present invention, which includes: video and audio source signal processing module 1, information processing module 2, information integration module 3, encoding module 4 and packaging module 5.

[0054] The video and audio source signal processing module 1 receives and processes the video and audio source signal to obtain video data and audio data respectively. Specifically, such as image 3 As shown, it is a functional block diagram of an embodiment of the video and audio source signal processing module 1 . The video and audio source signal receiving and processing module 1 includes a signal interface 11 , an unpacking unit 12 and a decoding unit 13 . Wherein, the signal interface 11 is used for receiving video and audio source signals. The video and audio source signals include internal signals from TV stations, such as video file...

Embodiment 2

[0069] like Image 6 As shown, it is a functional block diagram of the video and audio data processing system provided by Embodiment 2 of the present invention. In this embodiment, in addition to the same modules as in the first embodiment, a program identification generation module 7 is also included. The program identification generation module 7 is connected with the video and audio source signal receiving and processing module 1, and is set to correspond to the video and audio source signal for obtaining video data and audio data after being processed by the video and audio source signal receiving and processing module 1 The program identifier is used to distinguish the video data and audio data of different video and audio sources when processing multiple video and audio source signals at the same time. After the program identification is set, the video data and audio data with the program identification are stored in the memory. The information processing module 2 copi...

Embodiment 3

[0071] In this embodiment, the overall structure of Embodiment 1 and Embodiment 2 can be adopted. The difference from the previous two embodiments is that the encapsulation module in this embodiment can provide more signals. Specific as Figure 7 Shown is a functional block diagram of the encapsulation module in Embodiment 3 of the present invention. In this embodiment, the encapsulation module 5 includes an asynchronous serial interface (ASI) signal encapsulation unit 53 and a baseband IP signal encapsulation unit 54 .

[0072] Wherein, the ASI signal encapsulation unit 53 encapsulates the video and audio coded signal into an asynchronous serial interface signal according to the asynchronous serial interface format parameter. The baseband IP signal encapsulation unit 54 encapsulates the original signal into a baseband IP signal IPbaseband.

[0073] In this embodiment, the compressed IP signal can be multiple as in Embodiment 1, and the SDI signal can be as SD-SDI or HD-SDI...

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PUM

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Abstract

The invention discloses a video and audio data processing system and method, and relate to the technical field of broadcasting of a broadcast television. The system comprises a video and audio source signal processing module configured to receive and process video and audio source signals to obtain video data and audio data respectively; an information processing module configured to copy and process the video data and the audio data to obtain target video data and / or target audio data; an information integration module configured to integrate the target video data and the target audio data to obtain original signals; a coding module configured to code the target video data and the target audio data according to preset coding parameters to obtain corresponding video and audio coding signals; an encapsulation module configured to encapsulate the original signals and the video and audio coding signals to obtain transmission signals and an IP signal of the broadcast television. According to the system and the method, the same video and audio source signals can be simultaneously output in different information channels.

Description

technical field [0001] The invention relates to the technical field of radio and television broadcasting, in particular to a video and audio data processing system and method. Background technique [0002] With the development of network technology, the Internet has penetrated into every corner of the world, thereby promoting changes in many industries. For example, in the radio and television industry, on the basis of adhering to the traditional broadcasting method, it also makes full use of the Internet to realize the network broadcasting of TV programs. [0003] During the broadcasting of TV programs, according to different broadcasting requirements, broadcasting and control equipment are not exactly the same, but the basic principles are similar. Taking digital broadcasting as an example, such as figure 1 As shown, the video and audio source signals are processed by the signal processing device 1a, such as unpacking, decoding, etc., to obtain corresponding audio signal...

Claims

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Application Information

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IPC IPC(8): H04N21/2368H04N21/434H04N21/439H04N21/4402H04N21/8352H04N21/61
CPCH04N21/2368H04N21/4341H04N21/4342H04N21/4344H04N21/439H04N21/4402H04N21/6125H04N21/8352
Inventor 袁克东汤振华钱永江胡伟朱甲雄洪松虹孙婷杨川疆周振华
Owner ZHEJIANG RADIO AND TELEVISION GROUP
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