BS EN ISO BRITISH STANDARD 18233:2006 Acoustics Application of new measurement methods in building and room acoustics The European Standard EN IS0 18233:2006 has the status of a British Standard ICS 91.120.20 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSENISO18233:2006 National foreword This British Standard was published by BSI. It is the UK implementation of EN ISO 18233:2006. The UK participation in its preparation was entrusted by Technical Committee EH/1, Acoustics, to Subcommittee EH/1/6, Building acoustics. Alist of organizations represented on EH/1/6 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was Amendmentsissuedsincepublication published underthe authority of the Standards Policy and Amd. No. Date Comments Strategy Committee on 31 October 2006 BSI 2006 ISBN0580493628 EN ISO 18233 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHENORM June2006 ICS 91.120.20 English Version Acoustics s - Application of new measurement methods in building and room acoustics (IsO 18233:2006) Acoustique -Application de nouvelles methodes de mesure Akustik - Anwendung neuer Messverfahren in der Bau- und dans I'acoustique des batiments et des salles (IsO Raumakustik (ISO 18233:2006) 18233:2006) This European Standard was approved by CEN on 19 May 2006. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France Germany, Greece, Hungary, lIceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. cer EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG Management Centre:ruedeStassart, 36 B-1050 Brussels 2006CEN Ref.No. EN ISO 18233:2006: E worldwide for CEN national Members. ENIS0 18233:2006 Foreword This document (EN ISO 18233:2006) has been preparedbyTechnical Committee ISO/TC 43 building elements and of buildings", the secretariat of which is held by AFNOR. an identical text or by endorsement, at the latest by December 2006, and conflicting national standardsshallbewithdrawnatthelatestbyDecember2006. the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany,Greece, Hungary Iceland, Ireland, Italy,Latvia, Lithuania, Luxembourg, Malta,Netherlands,Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsementnotice Thetextof ISO18233:2006hasbeenapprovedbyCENasENISO18233:2006withoutany modifications EN ISO 18233:2006 ISO INTERNATIONAL 18233 STANDARD First edition 2006-06-01 Acoustics Application of new measurement methods in building and room acoustics Acoustique-Applicationdenouvellesmethodesdemesuragedans I'acoustiquedesbatimentsetdessalles Reference number ISO 18233:2006(E) ISO ii ENISO18233:2006 Contents Page Foreword iv Introduction Scope 1 2 Normative references ... 3 Terms definitions and abbreviated terms 3.1 Terms and definitions... 3.2 Ab