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CAN/CSA-ISO/IEC 23003-1-08 (R2018)

Information technology - MPEG audio technologies - Part 1: MPEG surround (Adopted ISO/IEC 23003-1:2007, first edition, 2007-02-15, including technical corrigendum 1:2008)

SKU: 2419166 Published by CSA Group Publication Year 2008 Reaffirmed in 2018 378 pages

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Preface/Scope

CSA Preface

Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).

Scope

This International Standard describes the MPEG Surround standard (Spatial Audio Coding, SAC), that is capable of re-creating N channels based on M < N transmitted channels, and additional control data. In the preferred modes of operating the spatial audio coding system, the M channels can either be a single mono channel or a stereo channel pair. The control data represents a significant lower data rate than required for transmitting all N channels, making the coding very efficient while at the same time ensuring compatibility with both M channel devices and N channel devices.

This International Standard incorporates a number of tools enabling a number of features that allow for broad application of the International Standard. A key feature is the ability to scale the spatial image quality gradually from very low spatial overhead towards transparency. Another key feature is that the compatible decoder input can be made compatible to existing matrix surround technologies. All tools are grouped to cover certain profiles.

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CAN/CSA-ISO/IEC 23003-1-08 (R2018)

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