ISO/IEC 23008-9:2019

INTERNATIONAL ISO/IEC
STANDARD 23008-9
First edition
2019-01
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 23008-9:2019(E)
©
ISO/IEC 2019

---------------------- Page: 1 ----------------------
ISO/IEC 23008-9:2019(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2019
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
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2019 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/IEC 23008-9:2019(E)

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 . 6
5.1 Characteristics, test procedure . 6
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() . 7
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() . 8
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 .10
5.4.1 mpegh3daFrame().10
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() .16
5.4.17 tw_data() .16
5.4.18 scale_factor_data() . .16
© ISO/IEC 2019 – All rights reserved iii

---------------------- Page: 3 ----------------------
ISO/IEC 23008-9:2019(E)

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() .17
5.4.24 UsacSbrData() .17
5.4.25 Mps212Data() .17
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() .18
5.11 Dynamic range control configuration .18
5.11.1 mpegh3daUniDrcConfig() .18
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() .19
5.14 Object metadata frame .19
5.14.1 object_metadata_efficient() .19
5.14.2 object_metadata() .19
5.14.3 object_metadata_efficient() .19
5.14.4 intracoded_object_metadata_efficient() .19
5.14.5 differential_object_metadata().20
5.14.6 offset_data() .21
5.14.7 object_metadata_low_delay().21
5.14.8 intracoded_object_metadata_low_delay() .21
5.14.9 dynamic_object_metadata() .23
5.14.10 single_dynamic_object_metadata() .23
5.15 EnhancedObjectMetadataConfig() .24
5.16 EnhancedObjectMetadataFrame() .24
5.17 SAOC 3D Config .25
5.17.1 SAOC3DSpecificConfig() .25
5.17.2 SAOC3DgetNumChannels() .26
5.17.3 SAOC3DExtensionConfig() .26
5.17.4 SAOC3DExtensionConfigData() .26
5.17.5 SAOCExtensionConfig() .26
5.18 SAOC 3D frame .26
5.18.1 Saoc3DFrame().26
5.18.2 SAOC3DFramingInfo() .26
5.18.3 EcDataSaoc() .26
5.18.4 ByteAlign() .26
5.18.5 SAOC3DExtensionFrame() .26
5.18.6 SAOC3DExtensionFrameData() .26
5.18.7 SAOCExtensionFrame() .27
5.18.8 HOAConfig() .27
5.18.9 HOADecoderConfig().27
5.18.10 HOAEnhConfig() .27
5.18.11 HOADecoderEnhConfig () .27
5.18.12 getSubbandWidths () .28
5.19 HOA frame .28
5.19.1 HOAFrame() .28
5.19.2 HOAEnhFrame ().28
iv © ISO/IEC 2019 – All rights reserved

---------------------- Page: 4 ----------------------
ISO/IEC 23008-9:2019(E)

5.19.3 ChannelSideInfoData() .28
5.19.4 AddAmbHoaInfoChannel() .29
5.19.5 HOAGainCorrectionData() .29
5.19.6 VVectorData() .29
5.19.7 HOAPredictionInfo().29
5.19.8 HOADirectionalPredictionInfo() .30
5.19.9 readDirPredDiffValues() .30
5.19.10 HOAParInfo () .30
5.19.11 readParDiffValues () .30
5.20 FMT converter frame, FormatConverterFrame() .31
5.21 Multi-channel coding tool config, MCTConfig () .31
5.22 Multi-channel coding tool frame .31
5.22.1 MultichannelCodingBoxRotation () .31
5.22.2 MultichannelCodingBoxPrediction () .31
5.22.3 MultichannelCodingFrame() .32
5.23 Tonal component coding configuration, TccConfig () .32
5.24 Tonal component coding frame .32
5.24.1 General.32
5.24.2 TccGroupOfSegments() .32
5.25 HREP config, HREPConfig() .33
5.26 HREP frame, HREPFrame() .33
5.27 ICG config, ICGConfig () .33
5.28 SignalGroupInformation Config, SignalGroupInformation () .34
5.29 DownmixMatrix .34
5.29.1 downmixConfig().34
5.29.2 DownmixMatrixSet() .34
5.29.3 DownmixMatrix() .34
5.29.4 DecoderGainValue() .35
5.29.5 ReadRange() .35
5.29.6 EqualizerConfig() .35
5.30 Loudness info .36
5.30.1 mpegh3daLoudnessInfoSet() .36
5.30.2 loudnessInfo() .36
5.30.3 loudnessInfoSetExtension() .36
5.31 Audioscene info .36
5.31.1 mae_AudioSceneInfo .36
5.31.2 mae_Data() .37
5.31.3 mae_GroupDefinition() .37
5.31.4 mae_SwitchGroupDefinition() .38
5.31.5 mae_Description() .38
5.31.6 mae_ContentData() .38
5.31.7 mae_CompositePair() .38
5.31.8 mae_GroupPresetDefinition() .39
5.31.9 mae_ProductionScreenSizeData() .39
5.31.10 mae_LoudnessCompensationData () .40
5.31.11 mae_ProductionScreenSizeDataExtension() .40
5.31.12 mae_GroupPresetDefinitionExtension() .40
5.31.13 mae_DrcUserInterfaceInfo() .41
5.32 HOA matrix .42
5.32.1 HoaRenderingMatrixSet() .42
5.32.2 HoaRenderingMatrix() .42
5.32.3 DecoderHoaMatrixData() .
...