Obviously, it is the premise of the subsequent digital information transmission, storage, playback and other links, so it is the common basic standard of the digital audio and video industry.ĪVS is a complete standard system including system, video, audio, and digital rights management, providing a more comprehensive solution for the digital audio and video industry. The key problem to be solved by the source coding technology is the coding and compression of massive digital audio and video data (i.e., initial data, source), so it is also called digital audio and video coding and decoding technology. As the name implies, 'information source' is the 'source' of information. Tasks of the Workgroup: Catering to the needs of China's information industry, work with domestic enterprises and scientific research institutions to formulate (revise) common technical standards such as compression, decompression, processing and presentation of digital audio and video, and provide efficient and economical encoding and decoding technology for digital audio and video equipment and systems, to serve high-resolution digital broadcasting, high-density laser digital storage media, wireless broadband media communications, Internet broadband streaming media and other major information industries.ĪVS began with the second-generation source coding standard with independent Chinese intellectual property rights. The Audio Video Coding Standards Workgroup of China was established with the approval of the Science and Technology Department of the former Ministry of Information Industry in June 2002.

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