International IEC ISO Standard IS0/IEC23090-24 First edition Information technology - Coded 2025-05 representation of immersive media - Part 24: Conformance and reference software for scene description Technologiesde I'information-Repreésentation codéedemedia immersifs Partie24: Conformite et logiciel de reference pour la description descenes Reference number IS0/IEC23090-24:2025(en) @ISO/IEC2025 IS0/IEC23090-24:2025(en) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2025 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 40i: Ch.de Blandonnet 8 CH-1214 Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland @IS0/IEC 2025-All rights reserved i IS0/IEC23090-24:2025(en) Contents Page Foreword. .iv Introduction ..V 1 Scope .1 2 Normative references .1 3 Terms and definitions .1 Reference softwarefor IS0/IEC-23090-14MPEG-I scenedescription .1 4.1 General. ..1 4.2 Description ..2 3 4.3 Dependencies 4.3.1 Spatial audio .3 4.3.2 OpenXR. .3 4.4 Usage. 4 4.4.1 Installation .4 4.5 SupportforMIVcontent .4 4.5.1 Buildinstructions .5 4.5.2 Run instructions ..5 4.5.3 Location. .6 4.6 SupportfortheHapticsextension ..6 4.7 Support for AR scene playback. .6 4.8 Issues. .6 4.9 License ..7 5 IS0/IEC-23090-14MPEG-Iscenedescriptionconformance .7 5.1 Overview. .7 5.2 ..8 glTFand MPEGextension schemavalidation 5.2.1 General .8 5.2.2 JSoNschemavalidation. ..8 ..8 5.2.3 Binarybuffervalidation 5.2.4 Sourceimagevalidation. 8 5.2.5 Audiovalidation .9 5.3 Scenedescriptionmetadatasampleconformance .9 6 Conformance software forIS0/IEC 23090-14 MPEG-I scenedescription 9 6.1 .9 Overview 6.2 glTF-validator. .9 6.2.1 Overview 6.2.2 Softwarerepository .10 6.3 Carriage library .10 6.3.1 Overview ..10 6.3.2 Softwarerepository .11 7 Testvectors. .11 7.1 ..11 Overview 7.2 MIVbitstream .11 Bibliography .13 IS0/IEC 2025-All rights reserved iii IS0/IEC23090-24:2025(en) 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 IsO andIEC technical committees collaborate infields ofmutual interest.Other internationalorganizations, 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 inthe Iso/IEc Directives, Part 1.In particular, thedifferentapproval criterianeeded forthe different types of document should be noted.This document was drafted inaccordancewiththe editorialrules of the Iso/ IEc Directives, Part 2 (see www.iso.org/directives or www.iec.ch/members_experts/refdocs). Iso and IEC draw attention to thepossibility that the implementation of this document may involve the use of (a) patent(s). IsO and IEC take no position concerning the evidence, validity or applicability of any claimed patent rights in respect thereof. As of the date of publication ofthis document, IsO and IEc had not received notice of(a)patent(s)whichmayberequiredto implementthisdocument.However, implementers are cautioned that this may not represent thelatest information, which may be obtained from the patent database available at www.iso.org/patents and https://patents.iec.ch. Iso and IEC shall not be held responsible for identifying any or all such patent rights. Any trade name used in this document is information given for the convenience of users and does not c