ISO INTERNATIONAL STANDARD 1683 Third edition 2015-05-15 Acoustics Preferred reference values for acoustical and vibratory levels Acoustique - Valeurs de référence recommandées pour les niveaux acoustiquesetvibratoires Reference number IS0 1683:2015(E) SO International Organization for Standardization @ IS0 2015 itted without license from IHS IS0 1683:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 copyrightoffice 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 Iby IHS unde Not for Resale, 2015/7/24 03:15:27 rmitted without license from IHS IS0 1683:2015(E) Contents Page Foreword ..iv Introduction. 1 Scope.. 2 Normative references 3 Terms and definitions 4 Specifications. ..2 4.1 Reference values for airborne sound quantities .2 4.2 Reference values for sound quantities in liquids 4.3 Reference values for vibratory quantities. .3 Bibliography .4 Inteatinal oganzation @stS.201.5 - All rights reserved iii see=Zhejiang Institute of Standardization 5956617 vided by IHS under I ed without license from IHS