AVS Standards

From here you can query all the standard catalogs that have been completed or being developed.

All promulgated national standard specification can be purchased from China Standardization Bookstore or its online source.

AVS members can download the standards draft on AVS ftp server by using their member account.

AVS1: Information Technology - Advanced Coding of Audio and Video (GB/T 20090)

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Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
Information Technology - Advanced Audio and Video Coding - Part 1: System 20051304-T-339 Based on the MPEG-2 system, the AVS stream definition is expanded. Recommendation Development In December 2012, it was promulgated as the national standard GB/T 20090.1-2012
Information Technology - Advanced Audio and Video Coding - Part 2: Video 20032265-T-339 Provides a high-efficiency video coding technical solution to support digital broadcasting, network streaming media, laser video discs and other applications. Recommendation Development In February 2006, it was approved as a national standard (GB/T 20090.2-2006)
Information Technology - Advanced Audio and Video Coding - Part 2: Video Revised Version 20080549-T-469 It specifies the compression method and decoding processes of video with various bit rates, resolutions and qualities, and is applicable to digital TV broadcasting, interactive storage media, live satellite video services, multimedia mail, media services Recommendation Revise On December 31, 2013, it was promulgated as the national standard GB/T 20090.2-2013
Information Technology - Advanced Audio and Video Coding - Part 4: Compliance Testing 20051306-T-339 It specifies how tests are designed to verify that bit streams and decoders meet the requirements specified in parts 1, 2, and 3 of this standard. Recommendation Development In December 2012, it was promulgated as the national standard GB/T 20090.4-2012
Information Technology - Advanced Audio and Video Coding - Part 5: Reference Software 20051307-T-339 The reference code for verifying the encoders and decoders specified in Parts 1, 2, and 3 of this standard is given, which can be used as a reference for product development by standard implementers. Recommendation Development In December 2012, it was promulgated as the national standard GB/T 20090.5-2012
Information technology - Advanced Coding of Audio and Video - Part 6: Digital Rights Management (Changed the name to "Trusted Decoder and Access Protocol for Digital Rights Management") 20051308-T-339 To provide a common and open interoperability standard for digital rights management. Recommendation Development Waiting for granting
Information technology - Advanced Coding of Audio and Video - Part 6: Digital Rights Management – Supplement: Home Network and Digital Interface 20110148-T-469 Meet the needs of digital rights management. The Standardization Administration of China approved the project in September 2011. Recommendation Development Waiting for granting
Information Technology - Advanced Audio and Video Coding - Part 8: Transmit AVS Over IP Network 20074554-T-469 A method to transmit AVS stream over IP network is defined. Recommendation Development Waiting for granting
Information Technology - Advanced Audio and Video Coding - Part 9: AVS File Format 20074555-T-469 The file packaging format of AVS audio and video programs is defined Recommendation Development Waiting for granting
Information Technology - Advanced Audio and Video Coding - Part 10: Mobile Voice and Audio 20080548-T-469 The mobile audio standard is mainly oriented to mono and stereo audio coding, and is aimed at transmission applications such as mobile communication, mobile media and streaming media with low bit rate and poor channel transmission conditions. Recommendation Development On December 31, 2013, it was promulgated as the national standard GB/T 20090.10-2013
Information Technology - Advanced Audio and Video Coding - Part 11: Sync Text 20110145-T-469 The formats of text presented synchronously with other media such as audio and video on a terminal device (synchronous text) are specified. Applicable to the movie subtitles, captions and karaoke, etc. Recommendation Development On December 10, 2015, it was promulgated as a national standard (GB/T 20090.11-2015)
Information Technology - Advanced Audio and Video Coding - Part 12: Synthetic Scene 20110146-T-469 The representation of synthetic scene is specified. Applicable to the rich media carried out on PC, digital TV, mobile phone or other mobile terminals Recommendation Development On December 10, 2015, it was promulgated as a national standard (GB/T 20090.12-2015)
Information Technology - Advanced Audio and Video Coding - Part 13: Video Tool Library 20110147-T-469 The description of the AVS Video Tool Library (VTL) is defined. Recommendation Development On December 29, 2017, it was promulgated as a national standard (GB/T 20090.13-2017)
Information Technology - Advanced Audio and Video Coding - Part 16: Radio and Television Video 20132350-T-469 The compression method of video with variety bit rates, resolutions and quality is specified, and the decoding process is specified. Applicable to the TV broadcasting, cable broadcasting, and satellite broadcasting, etc. Recommendation Development On April 25, 2016, it was promulgated as the national standard GB/T 20090.16-2016.

AVS2: Information Technology – High Efficiency Coding of Media (AVS2)

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Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
Information Technology – High Efficiency Coding of Media – Part 1: System 20141192-T-469 Formulate an adaptive streaming media transmission standard for IP networks, and provide technical specifications for multi-screen video adaptive rate transmission and content protection, which will help improve TV infrastructure, form breakthrough soluti Recommendation Development In September 2016, it was promulgated as the national standard GB/T 33475.1-2019.
Information Technology – High Efficiency Coding of Media – Part 2: Video 20110149-T-469 The video encoding that supports ultra-high resolution (at least 4k x 2k), high dynamic range. In terms of coding efficiency, it is more than 50% higher than the current international and domestic standards. Applicable to the TV broadcasting, cable broadc Recommendation Development On December 30, 2016, it was promulgated as the national standard GB/T 33475.2-2016.
Information Technology – High Efficiency Coding of Media – Part 2: Video (Revised) 20192082-T-469 It is of great significance to revise the GB/T 33475.2-2016 to increase the support for multi-view and 3D video coding, computer screen video coding, more efficient and flexible high dynamic range video coding, Internet image coding, radio, film and telev Recommendation Revise Standards under development
Information Technology – High Efficiency Coding of Media – Part 3: Audio 20130368-T-469 The representation method of lossless coding of high-quality audio signal and the decoding method of high-quality lossless audio signal are described. Recommendation Development On June 7, 2018, it was promulgated as the national standard GB/T 33475.3-2018.
Information Technology – High Efficiency Coding of Media – Part 4: Compliance Testing 20192083-T-469 The requirements and method for compliance testing of AVS2 video coding are specified Recommendation Development Standards under development
Information Technology – High Efficiency Coding of Media – Part 5: Reference Software 20192084-T-469 The reference code for verifying the encoders and decoders specified in this standard is given, which can be used as a reference for product development by standard implementers. Recommendation Development Standards under development
Information Technology – High Efficiency Coding of Media – Part 6: Smart Media Transport 20192085-T-469 The intelligent media transmission technology covering the encapsulation format, transport protocol and signaling information is specified, which can be applied to the transport and transmission of media data in heterogeneous packet-switched networks. Recommendation Development Waiting for granting
Information Technology – High Efficiency Coding of Media – Part 7: Image Container 20193148-T-469 The encapsulation definition of the AVS picture format is specified. This section applies to Internet pictures, game resource pictures, and various APPs. Recommendation Development Waiting for granting

AVS3: AVS3 Intelligent Media Coding

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Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
Information Technology – Intelligent Media Coding – Part 1: Immersive Media System The encapsulation format, transmission format and signaling format of virtual reality video and audio data in immersive media system are specified. Applicable to the network streaming media, live video and video on demand in immersive media system Recommendation Development Standards under development
Information Technology – Intelligent Media Coding – Part 2: Video The decoding process for high-efficiency video compression methods for intelligent media that adapt to various bit rates, resolutions and quality requirements is specified. This section applies to television broadcasting, digital cinema, network televisio Recommendation Development Issued as a group standard in May 2020; National standards awaiting for promulgation
Information Technology – Intelligent Media Coding – Part 3: Audio The representation method of intelligent audio coding and its high-quality audio signal decoding method are described. Recommendation Development Standards under development
Information Technology – Intelligent Media Coding – Part 4: Compliance Testing The requirements and method for video compliance testing of this standard are specified. Recommendation Development Standards under development
Information Technology – Intelligent Media Coding – Part 6: Intelligent Media Format The storage format and transmission signaling of intelligent media encoded data are specified. Applicable to the live video, on-demand, network streaming media in intelligent media coding system’ etc. Recommendation Development Standards under development
Information Technology - Intelligent Media Coding - Part 7: Closed Captioning The representation, encoding, storage and transmission formats for Closed Captioning are specified. Applicable to the TV broadcasting, emergency broadcast, network streaming media, IPTV and video on demand, etc., which is a kind of information accessibili Recommendation Development Standards under development

AVS+ Radio and Television Industry Standards: Advanced Coding of Audio and Video for Broadcasting (AVS+))

Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
Advanced Coding of Audio and Video for Broadcasting - Part 1: Video GY/T 257.1-2012 It specifies the video coding and decoding method for high-definition digital TV broadcasting, which can effectively guide and standardize the implementation and operation of digital TV broadcasting in China, play a certain role in guiding and promoting t Recommendation Development In July 2012, it was promulgated as a radio and television industry standard by the National Radio and Television Administration.
Advanced Coding of Audio and Video for Broadcasting - Part 2: Video Compliance Testing GY/T 257.2-2014 The requirements and method for conformance testing of video coding of GY/T 257.1-2012 products are stipulated. Recommendation Development In November 2014, it was promulgated as a radio and television industry standard by the State Administration of Press, Publication, Radio, Film and Television.

AVS2 Radio and Television Industry Standards: High-Efficiency Coding of Audio and Video (radio and television industry standard AVS2)

Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
High Efficiency Coding of Audio and Video Part 1: Video GY/T 299.1-2016 The decoding process of high-efficiency video compression methods to meet various bit rate, resolution and quality requirements is specified. Applicable to the broadcast TV, converged media, digital cinema, network TV, IPTV, digital storage media, and sti Recommendation Development On May 6, 2016, it was promulgated by the State Administration of Press, Publication, Radio, Film and Television as a radio and television industry standard.

VR Standards: Virtual Reality (VR)

Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
Information Technology – High Efficiency Coding of Virtual Reality Content - Part 1: System 20190776-T-469 This standard mainly defines the transmission format and signaling format of high-efficiency coded virtual reality video and audio data. The logical relationship of virtual reality data in VRCC system is specified, including virtual reality audio and vide Recommendation Development Standards under development
Information Technology –Expression of Virtual Reality Content – Part 2: Video 20192086-T-469 This standard specifies the high-efficiency coding representation and reconstruction method of virtual reality video content, including the syntax, semantics and reconstruction process of the compressed domain Recommendation Development Standards under development
Information Technology –Expression of Virtual Reality Content – Part 3: Audio 20214282-T-469 This standard defines immersive audio technologies applicable to virtual reality devices, including VR audio representations, VR audio codecs and VR audio renderers. VR audio is required to support multiple types of content, including scene signals, chann Recommendation Development Standards under development

AVS Point Cloud Standards: Point Cloud Technology

Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
Information Technology – High Efficiency Coding of Graphic Data – Part 2: Point Cloud The decoding process for point cloud compression methods adapted to various bit rates, resolutions and quality requirements is specified. Applicable to the autonomous navigation system, real-time inspection system, geographic information system, digital c Recommendation Development Standards under development

AVS Gene Compression Standard: Gene Compression

Standard National Standard Plan No. Main content of the project Recommended/ Mandatory Development/ Revision Standard Progress
Information Technology – Gene Compression Standard Recommendation Development Standards under development