ISO/IEC INTERNATIONAL STANDARD 23091-3 First edition 2018-04 AMENDMENT 1 2022-04 Information technology Coding- independent code points - Part 3: Audio AMENDMENT 1: Headphone support Reference number IEC IS0/IEC23091-3:2018/Amd.1:2022(E) OSI Copyright International Organization for Standardization @ IS0/IEC 2022 IS0/IEC 23091-3:2018/Amd.1:2022(E) COPYRIGHT PROTECTED DOCUMENT IS0/IEC2022 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 Email: [email protected] Website: www.iso.org Published in Switzerland Copyigh ileratinal Organizationfor Standardization @IS0/IEC 2022-All rights reserved