ISO INTERNATIONAL STANDARD 10844 Fourth edition 2021-12 Acoustics Specification of test tracks for measuring sound emitted by road vehicles and their tyres Acoustique - Specification des surfaces d'essai pour le mesurage du son émis par les vehicules routiers et leurs pneumatiques Reference number IS0 10844:2021(E) ISO @IS02021 IS0 10844:2021(E) COPYRIGHT PROTECTED DOCUMENT @IS02021 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, withoutpriorwrittenpermission.Permission can berequestedfrom eitherIso at theaddress below orIso'smemberbodyinthecountryoftherequester. 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 2021 - All rights reserved