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ISO/IEC 23003-3-ed.2.0
Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding
Translate name
STANDARD published on 24.6.2020
The information about the standard:
Designation standards: ISO/IEC 23003-3-ed.2.0
Publication date standards: 24.6.2020
SKU: NS-996958
The number of pages: 339
Approximate weight : 1048 g (2.31 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Coding of audio, video, multimedia and hypermedia information
Annotation of standard text ISO/IEC 23003-3-ed.2.0 :
This document 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. This document 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.
These changes apply to this standard:
ISO/IEC 23003-3-ed.2.0/Amd.1
Change
Show all technical information.
Information technology - MPEG audio technologies - Part 3: Unified speech and audio coding - Amendment 1: Reference software and conformance
Change published on 20.12.2021
Selected format:Show all technical information.
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