DIN EN ISO 389-8-2004 Acoustics - Reference zero for the calibration of audiometric equipment - Part 8 Reference equivalent threshold sound pressure levels for pure tones and circu.pdf

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1、ICS 13.140AcousticsReference zero for the calibration of audiometric equipmentPart 8: Reference equivalent threshold sound pressure levels for pure tones and circumauralearphones(ISO 389-8 : 2004)English version of EN ISO 389-8Akustik Standard-Bezugspegel fr die Kalibrierung audiometrischer Gerte Te

2、il 8: quivalenteBezugs-Schwellenschalldruckpegel fr reine Tne und circumaurale Kopfhrer (ISO 389-8 : 2004)A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a decision taken by CEN/TC 211 to adopt, withoutalteration, International Standard ISO

3、389-8 as a European Standard.The responsible German body involved in its preparation was the Deutsche Kommission ElektrotechnikElektronik Informationstechnik im DIN und VDE (German Commission for Electrotechnical Engineering, Elec-tronics and Information Technology of DIN and VDE), Technical Committ

4、ee Hrgerte, Audiometer undKuppler.DEUTSCHE NORM November 2004DIN EN ISO 389-8 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-N

5、ormen).Normenausschuss Bauwesen (NABau) im DINEnglish price group 9www.din.dewww.beuth.de03.05 9607792Continued overleaf.Document comprises 9 pages.English versionICS 13.140Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEurop

6、isches Komitee fr NormungAcousticsReference zero for the calibration of audiometricequipmentPart 8: Reference equivalent threshold sound pressure levels for puretones and circumaural earphones(ISO 389-8 : 2004) 2004. CEN All rights of exploitation in any form and by any meansreserved worldwide for C

7、EN national members.Ref. No. EN ISO 389-8 : 2004 EAcoustique Zro de rfrence pourltalonnage dquipements audio-mtriques Partie 8: Niveaux derfrence quivalents de pressionacoustique liminaire pour les cou-teurs sons purs circumauraux(ISO 389-8 : 2004)Akustik Standard-Bezugspegel frdie Kalibrierung audi

8、ometrischerGerte Teil 8: quivalente Bezugs-Schwellenschalldruckpegel fr reineTne und circumaurale Kopfhrer(ISO 389-8 : 2004)This European Standard was approved by CEN on 2004-04-16.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this

9、 European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three official versions (English, F

10、rench, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, theCzech Repub

11、lic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.May 2004EN ISO 389-8Page 2EN ISO 389-8 : 2004ForewordInterna

12、tional StandardISO 389-8 : 2004 Acoustics Reference zero for the calibration of audiometric equipment Part 8: Referenceequivalent threshold sound pressure levels for pure tones and circumaural earphones,which was prepared by ISO/TC 43 Acoustics of the International Organization for Standardization,

13、has beenadopted by Technical Committee CEN/TC 211 Acoustics, the Secretariat of which is held by DS, as a EuropeanStandard.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or by endorsement, and conflicting national standards withdraw

14、n, by November2004 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European Standard:Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, H

15、ungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal,Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Endorsement noticeThe text of the International Standard ISO 389-8 : 2004 was approved by CEN as a European Standard withoutany modification.Page 3EN ISO 389-8 : 2004Page 4EN ISO 389-8 : 2004Page 5EN ISO 389-8 : 2004Page 6EN ISO 389-8 : 2004Page 7EN ISO 389-8 : 2004Page 8EN ISO 389-8 : 2004