ISO INTERNATIONAL STANDARD 20908 First edition 2023-01 Tyre sound emission test Methods of drum Essai d'emissions acoustiques de pneumatique - Méthode avec un tambour Reference number IS0 20908:2023(E) ISO IS02023 IS0 20908:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 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'smemberbodyinthe country oftherequester. ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2023 - All rights reserved