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GB/T 20090.4-2012Information technology - Advanced coding of audio and video - Part 4: Conformance testing (English PDF)

信息技术先进音视频编码第4部分：符合性测试

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

June 1, 2013

Scope

GB/T 20090.4-2012 is the English-translated version of 信息技术先进音视频编码第4部分：符合性测试.

GB/T 20090.4-2012 is the Chinese standard "Information technology - Advanced coding of audio and video - Part 4: Conformance testing". Its scope clause reads: This section GB/T 20090 gives the applications meet the test procedures and test requirements GB/T 20090.2-2006 of.

This section applies to a test application system. Its clauses include terms and definitions.

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Document preview — GB/T 20090.4-2012

National Standard of the People's Republic of China

ICS: 35.040
Classification: L 71

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 video
References

1 Scope

This section GB/T 20090 gives the applications meet the test procedures and test requirements GB/T 20090.2-2006 of.

This section applies to a test application system.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 20090.2-2006 advanced audio and video coding - Part 2. Video

3 Terms and Definitions

GB/T 20090.2-2006 defined and the following terms and definitions apply to this document.

3.1 Compliance testing

For judging the encoder outputs an encoded bit stream and the decoder meets GB/T 20090.2-2006 testing.

3.2 Compliance encoded bit stream

Used to test whether the decoder conform GB/T 20090.2-2006 encoded bit stream, the encoded bit stream shall fully comply

GB/T 20090.2-2006 grammar rules in this section shall comply with the test bitstream of the encoded bit stream.

3.3 Reference Decoder

Known in line with GB/T 20090.2-2006 decoder, the decoder is used and tested for comparison. You can use the GB/T 20090.5

Reference is given as the reference software decoder.

3.4 Measured decoder

A decoder to pass compliance testing to determine if it meets GB/T 20090.2-2006.

3.5 Legal decoder

After the adoption of compliance testing it is determined to meet the decoder GB/T 20090.2-2006 of.

3.6 Compatible decoder

After divided backward compatible decoder and forward compatible decoder backward compatible decoder means according to the old coding standard designed decoder can

In the new coding standard for all or part of the encoded bit stream is decoded; forward compatible decoder means according to the new coding standard designed solution […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.

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