Information technology — MPEG audio technologies — Part 6: Unified speech and audio coding reference software

This document contains simulation software for the Unified speech and audio coding standard as defined in ISO/IEC 23003-3.

Technologies de l'information — Technologies audio MPEG — Partie 6: Logiciel de référence pour le codage unifié parole et audio

General Information

Status
Published
Publication Date
29-Aug-2022
Current Stage
6060 - International Standard published
Due Date
02-Aug-2022
Completion Date
30-Aug-2022
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ISO/IEC 23003-6:2022 - Information technology — MPEG audio technologies — Part 6: Unified speech and audio coding reference software Released:30. 08. 2022
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INTERNATIONAL ISO/IEC
STANDARD 23003-6
First edition
2022-08
Information technology — MPEG
audio technologies —
Part 6:
Unified speech and audio coding
reference software
Technologies de l'information — Technologies audio MPEG —
Partie 6: Logiciel de référence pour le codage unifié parole et audio
Reference number
ISO/IEC 23003-6:2022(E)
© ISO/IEC 2022
---------------------- Page: 1 ----------------------
ISO/IEC 23003-6:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2022

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on

the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below

or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO/IEC 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/IEC 23003-6:2022(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 Reference software structure ...............................................................................................................................................................1

4.1 General ........................................................................................................................................................................................................... 1

4.2 Copyright disclaimer for software modules ................................................................................................................ 2

5 Bitstream decoding software ................................................................................................................................................................3

5.1 General ........................................................................................................................................................................................................... 3

5.2 USAC decoding software ................................................................................................................................................................ 3

Annex A (informative) Bitstream encoding software ....................................................................................................................... 4

Annex B (informative) Additional utility software .............................................................................................................................. 5

iii
© ISO/IEC 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/IEC 23003-6:2022(E)
Foreword

ISO (the International Organization for Standardization) and IEC (the International Electrotechnical

Commission) form the specialized system for worldwide standardization. National bodies that are

members of ISO or IEC participate in the development of International Standards through technical

committees established by the respective organization to deal with particular fields of technical

activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international

organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the

work.

The procedures used to develop this document and those intended for its further maintenance

are described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria

needed for the different types of document should be noted. This document was drafted in

accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives or

www.iec.ch/members_experts/refdocs).

Attention is drawn to the possibility that some of the elements of this document may be the subject

of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent

rights. Details of any patent rights identified during the development of the document will be in the

Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents) or the IEC

list of patent declarations received (see https://patents.iec.ch).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see

www.iso.org/iso/foreword.html. In the IEC, see www.iec.ch/understanding-standards.

This document was prepared by Technical Committee ISO/IEC JTC 1, Information technology,

Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information.

A list of all parts in the ISO/IEC 23003 series can be found on the ISO and IEC websites.

Any feedback or questions on this document should be directed to the user’s national standards

body. A complete listing of these bodies can be found at www.iso.org/members.html and

www.iec.ch/national-committees.
© ISO/IEC 2022 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO/IEC 23003-6:2022(E)
Information technology — MPEG audio technologies —
Part 6:
Unified speech and audio coding reference software
1 Scope

This document contains simulation software for the Unified speech and audio coding standard as

defined in ISO/IEC 23003-3.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO/IEC 23003-3, Information technology — MPEG audio technologies — Part 3: Unified speech and audio

coding
3 Terms and definitions
No terms and definitions are listed in this document.

ISO and IEC maintain terminology databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
4 Reference software structure
4.1 General

This software has been derived from reference models used in the process of developing of

ISO/IEC 23003-3.

Reference software is normative in the sense that it correctly implements the USAC decoding processes

described in ISO/IEC 23003-3. Complying ISO/IEC 23003-3 implementations are not expected to follow

the algorithms or the programming techniques used by the reference software. Although the decoding

software is considered normative, it cannot add anything to the textual technical description of USAC

included in ISO/IEC 23003-3.
The software contained in this document is divided into several categories:
a) Bitstr
...

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