ISO/IEC INTERNATIONAL 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 I'information - Codage a haut rendement et fourniture de supports dans les environnements heterogenes- Partie 9: Essais de conformité 3D Audio Reference number IEC IS0/IEC 23008-9:2023(E) ISO @ IS0/IEC 2023 IS0/IEC 23008-9:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS0/IEC2023 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 or IsoO'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: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0/IEC 2023 - All rights reserved IS0/IEC 23008-9:2023(E) @ Contents Page Foreword .vii Introduction. .vili 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 mpegh3daConfigO .7 5.2.2 FrameworkConfig3dO) 7 5.2.3 Signals3dO. 7 5.2.4 SpeakerConfig3dO 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 mpegh3daSingleChannelElementConfigO 8 5.3.3 mpegh3daChannelPairElementConfigO) 9 5.3.4 mpegh3daCoreConfigO .9 5.3.5 mpegh3daLfeElementConfigO 9 5.3.6 mpegh3daExtElementConfig0 9 5.3.7 mpegh3daConfigExtensionO) 10 5.3.8 SbrConfigO 10 5.3.9 Mps212Config0. 10 5.4 MPEG-H 3D core audio frame .11 5.4.1 mpegh3daFrame() 11 5.4.2 mpegh3daSingleChannelElementO 11 5.4.3 mpegh3daChannelPairElementO 11 5.4.4 mpegh3daLfeElement() .11 5.4.5 mpegh3daExtElementO 11 5.4.6 ics_infoO. 12 5.4.7 mpegh3daCoreCoderData() .12 5.4.8 StereoCoreToolInfoO 12 5.4.9 fd_channel_streamO .13 5.4.10 lpd_channel_streamO .13 5.4.11 acelp_coding0 14 5.4.12 tcx_coding O 14 5.4.13 lpd_stereo_stream( .15 5.4.14 igf_stereo_pred_data0. .15 5.4.15 igf_data0 15 5.4.16 tbe_data 15 5.4.17 tw_data() 16 5.4.18 scale_factor_data0 .16 @ IS0/IEC 2023 - All rights reserved iii IS0/IEC 23008-9:2023(E) 5.4.19 tns_data0) 16 5.4.20 ac_spectral_data0 16 5.4.21 arith_data0 16 5.4.22 fac_data() 16 5.4.23 code_book_indices0 16 5.4.24 UsacSbrData0. 16 5.4.25 Mps212Data0) 16 5.5 Fill element. 17 5.6 MPEG surround configuration, SpatialSpecificConfigO 17 5.7 MPEG surround frame, SpatialFrameO 17 5.8 SAOC configuration, SAOCSpecificConfigO 17 5.9 SAOC frame, SAOCFrameO 17 5.10 AudioPreRoll 17 5.10.1 Recursive presence of AudioPreRoll extension payload 17 5.10.2 AudioPreRoll0 17 5.11 Dynamic range control configuration 17 5.i1.1 mpegh3daUniDrcConfig0. 17 5.11.2 mpegh3daUniDrcChannelLayout() 18 5.11.3 drcCoefficientsUniDrcO 18 5.11.4 drcInstructionsUniDrc( 18 5.11.5 uniDrcConfigExtensionO 18 5.12 Dynamic range control frame, uniDrcGainO 18 5.13 Object metadata configuration, ObjectMetadataConfig() 18 5.14 Object metadata frame 18 5.14.1 object_metadata_efficient0 18 5.14.2 object_metadataO 18 5.14.3 object_metadata_efficientO. 19 5.14.4 intracoded_object_metadata_efficient() 19 5.14.5 differential_object_metadata 20 5.14.6 offset_dataO 21 5.14.7 object_metadata_low_delayO 21 5.14.8 intracoded_object_metadata_low_delay(0) 21 5.14.9 dynamic_object_metadata() 22 5.14.10 single_dynamic_object_metadata0 22 5.15 EnhancedObjectMetadataConfigO 23 5.16 EnhancedObjectMetadataFrame(). 24 5.17 SAOC 3D Config 24 5.17.1 SAOC3DSpecificConfigO 24 5.17.2 SAOC3DgetNumChanne