ISO/IEC 23008-9:2023

Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 9: 3D Audio conformance testing

This document specifies conformance criteria for both bitstreams and decoders compliant with the MPEG-H 3D audio standard as defined in ISO/IEC 23008-3. This is done to assist implementers and to ensure interoperability.

Technologies de l'information — Codage à haut rendement et fourniture de supports dans les environnements hétérogènes — Partie 9: Essais de conformité 3D Audio

General Information

• Status: Published
• Publication Date: 14-May-2023
• ICS: 35.040.40 - Coding of audio, video, multimedia and hypermedia information
• Technical Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Drafting Committee: ISO/IEC JTC 1/SC 29 - Coding of audio, picture, multimedia and hypermedia information
• Current Stage: 6060 - International Standard published
• Start Date: 15-May-2023
• Due Date: 15-May-2023
• Completion Date: 15-May-2023

Relations

• Revises: ISO/IEC 23008-9:2022 - Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 9: 3D Audio conformance testing
• Effective Date: 24-Dec-2022

Standards Content (Sample)

INTERNATIONAL ISO/IEC
STANDARD 23008-9
Third edition
2023-05
Information technology — High
efficiency coding and media delivery
in heterogeneous environments —
Part 9:
3D Audio conformance testing
Technologies de l'information — Codage à haut rendement et
fourniture de supports dans les environnements hétérogènes —
Partie 9: Essais de conformité 3D Audio
Reference number
© ISO/IEC 2023
© ISO/IEC 2023
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: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii
© ISO/IEC 2023 – All rights reserved

Contents Page
Foreword .vii
Introduction .viii
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Abbreviated terms . 2
4 MPEG-H 3D audio conformance testing . 3
4.1 General . 3
4.2 Profiles . 3
4.3 Test procedure . 3
4.3.1 General . 3
4.3.2 Naming convention . 4
4.3.3 Conformance test tools . 6
5 MPEG-H 3D audio bitstreams . 7
5.1 Characteristics, test procedure . 7
5.2 MPEG-H 3D audio general configuration . 7
5.2.1 mpegh3daConfig() . 7
5.2.2 FrameworkConfig3d() . 7
5.2.3 Signals3d() . . 7
5.2.4 SpeakerConfig3d() . 8
5.2.5 mpegh3daFlexibleSpeakerConfig(). 8
5.2.6 mpegh3daSpeakerDescription() . . 8
5.3 MPEG-H 3D core audio configuration . 8
5.3.1 mpegh3daDecoderConfig() . 8
5.3.2 mpegh3daSingleChannelElementConfig() . 8
5.3.3 mpegh3daChannelPairElementConfig() . 9
5.3.4 mpegh3daCoreConfig() . 9
5.3.5 mpegh3daLfeElementConfig() . 9
5.3.6 mpegh3daExtElementConfig() . 9
5.3.7 mpegh3daConfigExtension() . 10
5.3.8 SbrConfig() . 10
5.3.9 Mps212Config() . . 10
5.4 MPEG-H 3D core audio frame . 11
5.4.1 mpegh3daFrame() . 11
5.4.2 mpegh3daSingleChannelElement() . 11
5.4.3 mpegh3daChannelPairElement() . 11
5.4.4 mpegh3daLfeElement() . 11
5.4.5 mpegh3daExtElement() . 11
5.4.6 ics_info() .12
5.4.7 mpegh3daCoreCoderData() .12
5.4.8 StereoCoreToolInfo() .12
5.4.9 fd_channel_stream() . 13
5.4.10 lpd_channel_stream(). 13
5.4.11 acelp_coding() . 14
5.4.12 tcx_coding () . 14
5.4.13 lpd_stereo_stream() .15
5.4.14 igf_stereo_pred_data(). 15
5.4.15 igf_data() . 15
5.4.16 tbe_data() . 15
5.4.17 tw_data() . 16
5.4.18 scale_factor_data() . 16
iii
© ISO/IEC 2023 – All rights reserved

5.4.19 tns_data() . 16
5.4.20 ac_spectral_data() . 16
5.4.21 arith_data() . 16
5.4.22 fac_data() . 16
5.4.23 code_book_indices() . 16
5.4.24 UsacSbrData() . 16
5.4.25 Mps212Data() . 16
5.5 Fill element . . 17
5.6 MPEG surround configuration, SpatialSpecificConfig(). 17
5.7 MPEG surround frame, SpatialFrame() . 17
5.8 SAOC configuration, SAOCSpecificConfig() . 17
5.9 SAOC frame, SAOCFrame() . 17
5.10 AudioPreRoll . 17
5.10.1 Recursive presence of AudioPreRoll extension payload . 17
5.10.2 AudioPreRoll() . 17
5.11 Dynamic range control configuration . 17
5.11.1 mpegh3daUniDrcConfig() . 17
5.11.2 mpegh3daUniDrcChannelLayout(). 18
5.11.3 drcCoefficientsUniDrc() . 18
5.11.4 drcInstructionsUniDrc() . 18
5.11.5 uniDrcConfigExtension() . 18
5.12 Dynamic range control frame, uniDrcGain() . 18
5.13 Object metadata configuration, ObjectMetadataConfig() . 18
5.14 Object metadata frame
...