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관심표준 등록 : 표준업데이트 시 알림서비스

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    ISO/IEC 23003-3:2012

    Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding
    • 발행일 : 2012-03-23
    • 발행기관 : ISO/IEC
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분야 ISO/IEC JTC 1/SC 29 : Coding of audio, picture, multimedia and hypermedia information
적용범위

ISO/IEC 23003-3:2012 specifies a unified speech and audio codec which is capable of coding signals having an arbitrary mix of speech and audio content. The codec has a performance comparable to or better than the best known coding technology that might be tailored specifically to coding of either speech or general audio content. The codec supports single and multi-channel coding at high bitrates and provides perceptually transparent quality. At the same time, it enables very efficient coding at very low bitrates while retaining the full audio bandwidth.

ISO/IEC 23003-3:2012 incorporates several perceptually-based compression techniques developed in previous MPEG standards: perceptually shaped quantization noise, parametric coding of the upper spectrum region and parametric coding of the stereo sound stage. However, it combines these well-known perceptual techniques with a source coding technique: a model of sound production, specifically that of human speech.
국제분류(ICS)코드 35.040.40 : 오디오, 비디오, 멀티미디어 및 하이퍼미디어 정보의 부호화
페이지수 278
Edition 1

이력정보

No. 표준번호 표준명 발행일 상태
1 ISO/IEC 23003-3:2020/AMD1:2021상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Amendment 1: Reference software and conformance 2021-12-20 표준
2 ISO/IEC 23003-3:2020/Amd 1:2021상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 1: Reference software and conformance 2021-12-20 표준
3 ISO/IEC 23003-3:2020상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding 2020-06-24 표준
4 ISO/IEC 23003-3:2020상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding 2020-06-24 표준
5 ISO/IEC 23003-3:2012/AMD3:2016상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Amendment 3: Support of MPEG-D DRC, audio pre-roll and immediate play-out frame 2016-07-21 구판
6 ISO/IEC 23003-3:2012/Amd 3:2016상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 3: Support of MPEG-D DRC, audio pre-roll and immediate play-out frame 2016-07-21 구판
7 ISO/IEC 23003-3:2012/Cor 4:2015상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Technical Corrigendum 4 2015-08-21 구판
8 ISO/IEC 23003-3:2012/COR4:2015상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Technical Corrigendum 4 2015-08-21 구판
9 ISO/IEC 23003-3:2012/AMD1:2014/COR1:2015상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Amendment 1: Conformance - Technical Corrigendum 1 2015-06-23 구판
10 ISO/IEC 23003-3:2012/Amd 1:2014/Cor 1:2015상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 1: Conformance — Technical Corrigendum 1 2015-06-23 구판
11 ISO/IEC 23003-3:2012/Amd 2:2015상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 2: Reference software 2015-05-04 구판
12 ISO/IEC 23003-3:2012/AMD2:2015/COR1:2015상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Amendment 2: Reference software - Technical Corrigendum 1 2015-05-04 구판
13 ISO/IEC 23003-3:2012/Amd 2:2015/Cor 1:2015상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 2: Reference software — Technical Corrigendum 1 2015-05-04 구판
14 ISO/IEC 23003-3:2012/AMD2:2015상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Amendment 2: Reference software 2015-05-04 구판
15 ISO/IEC 23003-3:2012/COR3:2015상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Technical Corrigendum 3 2015-03-16 구판
16 ISO/IEC 23003-3:2012/Cor 3:2015상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Technical Corrigendum 3 2015-03-16 구판
17 ISO/IEC 23003-3:2012/AMD1:2014상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Amendment 1: Conformance 2014-03-10 구판
18 ISO/IEC 23003-3:2012/Amd 1:2014상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 1: Conformance 2014-03-10 구판
19 ISO/IEC 23003-3:2012/COR2:2013상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Technical Corrigendum 2 2013-08-29 구판
20 ISO/IEC 23003-3:2012/Cor 2:2013상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Technical Corrigendum 2 2013-08-29 구판
21 ISO/IEC 23003-3:2012/Cor 1:2012상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Technical Corrigendum 1 2012-09-04 구판
22 ISO/IEC 23003-3:2012/COR1:2012상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Technical Corrigendum 1 2012-09-04 구판
23 ISO/IEC 23003-3:2012상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding 2012-03-23 구판
24 ISO/IEC 23003-3:2012상세보기 Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding 2012-03-23 구판
25 ISO/IEC 23003-3:2012/DAmd 4상세보기 Information technology — MPEG audio technologies — Part 3: Unified speech and audio coding — Amendment 4: USAC stream ID, MP4FF groups, reference software and conformance 폐지

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