ISO INTERNATIONAL STANDARD 8201 Secondedition 2017-11 Acoustics Audible and other emergency evacuation signals Acoustique - Signal sonore et autres signal d'évacuation d'urgence Reference number IS0 8201:2017(E) so @ IS0 2017 No reproo Not for Resale, 11/29/2017 17:17:11 MST IS0 8201:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, 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 Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org @ IS0 2017 - All rights reserved No reproductic Not for Resale, 11/29/2017 17:17:11 MST IS0 8201:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Requirements ..1 4.1 General. .1 4.2 Temporal pattern. .2 4.3 Recognition .2 4.4 Sound pressure level. .2 4.5 Duration 3 4.6 Supplementary instructions. .3 4.7 Visual and/ortactile signals. 3 Annex A (informative) Examples of application of the temporal pattern to commonly used audible signals. 4 Bibliography 6 ii ed without license from IHS Not for Resale, 11/29/2017 17:17:11 MST