IEC International ISo Standard ISO/IEC23090-32 First edition Information technology Coded representation of immersive media 2025-08 Part 32: Carriage of haptics data ISO/IEC 2025 Reference number ISO/IEC 23090-32:2025(en) IS0/IEC23090-32:2025(en) COPYRIGHT PROTECTED DOCUMENT @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: +4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland IS0/IEC2025-Allrightsreserved ii IS0/IEC23090-32:2025(en) Contents Page Foreword. V 1 Scope. 1 2 Normative references. .1 3 Terms,definitions,and abbreviatedterms 1 3.1 Terms and definitions. .1 3.2 Abbreviated terms. 4 Overview. 3 4.1 General .3 4.2 Haptic media. 4.2.1 Structure of haptic media. 3 MIHS streams. .3 4.2.2 4.2.3 Temporal units and MIHS samples 4 4.3 Synchronizationwithothermedia .5 4.4 Summary of referenceable codepoints .5 4.4.1 Brands 5 5 4.4.2 Sample entry types. 4.4.3 Box types. 6 4.4.4 Track reference types. .6 4.4.5 Entity grouping types 7 4.4.6 Sample grouping types .7 5 Carriage of haptic coding data. 7 5.1 General. .7 5.2 MIHS streams and tracks. .7 5.2.1 Referencing MIHS band tracks 7 5.2.2 Grouping MIHS band tracks. .8 5.2.3 MIHS band entity group. .8 5.2.4 MIHS sample entry. 9 5.2.5 MIHS band sample entry. .9 5.2.6 MIHS configuration box. .10 5.2.7 Hapticexperiencedescription box .11 5.2.8 Haptic experience description header box .11 5.2.9 Haptic avatar description box. 12 5.2.10 Hapticperception descriptionbox 13 5.2.11 Haptic perception description header box 13 5.2.12 Haptic reference device description box. .15 5.2.13 Haptic channel description box. ..17 5.2.14 Haptic channel description header box .17 5.2.15 Haptic band description box. .19 5.2.16 Sample format. 20 5.2.17 Haptics presentation dependency sample group .21 5.2.18 Hapticssilentunitsamplegroup .21 Encapsulation and Signalling in MPEG-DASH .22 6 .22 6.1 General Haptics Media MPD signalling. 6.2 22 6.3 Basic MIHS track support.. 22 DASH segment and MPD signalling 22 6.3.1 6.4 Multiple MIHS tracks support. 22 6.4.1 Alternative tracks. 23 6.4.2 Alternative tracks with different bitrates and/or qualities. 23 DASH segmentand MPD signallingforbitrate switching 23 6.4.3 6.5 Synchronizingwithothermediarepresentations. 23 23 6.6 Signalling of Multi-track Haptics Experiences 6.6.1 Initialization and Media Segments. .24 IS0/IEC 2025 - All rights reserved ii IS0/IEC23090-32:2025(en) 6.6.2 Bitstream Switching .24 6.7 Haptics experience descriptor. .24 ThehapticsExperienceXML element. .25 6.7.1 ThehapticsAvatarXMLelement. 26 6.7.2 ThehapticsPerceptionXMLelement .26 6.7.3 6.7.4 ThehapticsChannel XML element .27 6.7.5 The hapticsBandsDescription XML element .27 The hapticsBand XML element. 28 6.7.6 6.7.7 ThehapticsReferenceDeviceXML element 28 AnnexA (normative)Fileformattoolsets and brands .30 Annex B (normative) MIME types and sub-parameters .35 Annex C (informative) Multiple MIHS tracks and alternate groups .36 AnnexD(informative)PlayerhandlingofMIHStracks .37 AnnexE(normative)HapticsDASHMPDSchema .38 AnnexF(informative)DASHMPDExamples. 41 @IS0/IEC 2025 - All rights reserved iv IS0/IEC23090-32:2025(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 committees established by the respective organization to deal wit