EN 60645-1-2017 en Electroacoustics - Audiometric equipment - Part 1 Equipment for pure-tone and speech audiometry.pdf

1、Electroacoustics - Audiometric equipmentPart 1: Equipment for pure-tone and speech audiometry (IEC 60645-1:2017)BS EN 60645-1:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60645-1 October 2017 ICS 17.140.50 S

2、upersedes EN 60645-1:2015 English Version Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry (IEC 60645-1:2017) Electroacoustique - Appareils audiomtriques - Partie 1: Appareils pour laudiomtrie tonale et vocale (IEC 60645-1:2017) Akustik - Audiometer -

3、Teil 1: Reinton-Audiometer (IEC 60645-1:2017) This European Standard was approved by CENELEC on 2017-04-18. CENELEC 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 alt

4、eration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other languag

5、e made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Cz

6、ech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

7、United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any mea

8、ns reserved worldwide for CENELEC Members. Ref. No. EN 60645-1:2017 E National forewordThis British Standard is the UK implementation of EN 60645-1:2017. It is identical to IEC 60645-1:2017. It supersedes BS EN 60645-1:2015 and BS EN 60645-2:1997, which are withdrawn.The UK participation in its prep

9、aration was entrusted to Technical Committee EPL/29, Electroacoustics.A list of organizations represented on this committee 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 appli

10、cation. The British Standards Institution 2017 Published by BSI Standards Limited 2017ISBN 978 0 580 90338 0ICS 13.140; 17.140.50Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strate

11、gy Committee on 30 November 2017.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 606451:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 60645-1 October 2017 ICS 17.140.50 Supersedes EN 60645-1:2015 English Version Electroacoustics - Audiometric equipmen

12、t - Part 1: Equipment for pure-tone and speech audiometry (IEC 60645-1:2017) Electroacoustique - Appareils audiomtriques - Partie 1: Appareils pour laudiomtrie tonale et vocale (IEC 60645-1:2017) Akustik - Audiometer - Teil 1: Reinton-Audiometer (IEC 60645-1:2017) This European Standard was approved

13、 by CENELEC on 2017-04-18. CENELEC 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

14、 standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC 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 CENELEC member into its own l

15、anguage and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, F

16、rance, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Eur

17、open de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 60645-1:2017 E BS EN 60645

18、1:2017EN 60645-1:2017 2 European foreword The text of document 29/927/FDIS, future edition 4 of IEC 60645-1, prepared by IEC/TC 29 “Electroacoustics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60645-1:2017. The following dates are fixed: latest date by which the doc

19、ument has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-04-06 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-10-06 This document supersedes EN 60645-1:2015. Attention is dra

20、wn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60645-1:2017 was approved by CENELEC as a European

21、Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: ISO 389-9 NOTE Harmonized as EN ISO 389-9. BS EN 606451:2017EN 60645-1:2017 2 European foreword The text of document 29/927/FDIS, future edition 4 of IEC 60645

22、-1, prepared by IEC/TC 29 “Electroacoustics“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60645-1:2017. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endo

23、rsement (dop) 2018-04-06 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-10-06 This document supersedes EN 60645-1:2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN

24、ELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 60645-1:2017 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to b

25、e added for the standard indicated: ISO 389-9 NOTE Harmonized as EN ISO 389-9. EN 60645-1:2017 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all o

26、f their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 Where an International Publication has been modified by common modificatio

27、ns, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60268-3 - Sound system equipment - Part 3: Amplifiers EN 60268-3 - IEC 6026

28、8-7 - Sound system equipment - Part 7: Headphones and earphones EN 60268-7 - IEC 60268-17 - Sound system equipment - Part 17: Standard volume indicators HD 483.17 S1 - IEC 60318-1 - Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the measurement of supra-aural and cir

29、cumaural earphones EN 60318-1 - IEC 60318-3 - Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry EN 60318-3 - IEC 60318-4 - Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator

30、 for the measurement of earphones coupled to the ear by means of ear inserts EN 60318-4 - IEC 60318-5 - Electroacoustics - Simulators of human head and ear - Part 5: 2 cm coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts EN 60318-5 - IEC 60318-6 - E

31、lectroacoustics - Simulators of human head and ear - Part 6: Mechanical coupler for the measurements on bone vibrators EN 60318-6 - IEC 60601-1 - Medical electrical equipment - Part 1: General requirements for basic safety and essential performance EN 60601-1 - IEC 60601-1-2 - Medical electrical equ

32、ipment - Part 1-2: General requirements for basic safety and essential performance - Collateral standard: Electromagnetic disturbances - Requirements and tests EN 60601-1-2 - BS EN 606451:2017EN 60645-1:2017 4 Publication Year Title EN/HD Year IEC 61260-1 - Electroacoustics - Octave-band and fractio

33、nal-octave-band filters - Part 1: Specifications EN 61260-1 - IEC 61672-1 - Electroacoustics - Sound level meters - Part 1: Specifications EN 61672-1 - ISO 266 - Acoustics - Preferred frequencies EN ISO 266 - ISO 389-1 - Acoustics - Reference zero for the calibration of audiometric equipment - Part

34、1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones EN ISO 389-1 - ISO 389-2 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones EN IS

35、O 389-2 - ISO 389-3 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators EN ISO 389-3 - ISO 389-4 1994 Acoustics - Reference zero for the calibration of audiometric equipment - Part

36、 4: Reference levels for narrow-band masking noise EN ISO 389-4 1998 ISO 389-5 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz EN ISO 389-5 - ISO 389-7 - Aco

37、ustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions EN ISO 389-7 - ISO 389-8 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent thre

38、shold sound pressure levels for pure tones and circumaural earphones EN ISO 389-8 - ISO 4869-1 - Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation EN 24869-1 - ISO 8253-1 2010 Acoustics - Audiometric test methods - Part 1: Pure-tone air and bone cond

39、uction audiometry EN ISO 8253-1 2010 ISO 8253-2 - Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals EN ISO 8253-2 - ISO 8253-3 - Acoustics - Audiometric test methods - Part 3: Speech audiometry EN ISO 8253-3 - 2 IEC 60645-1:2017 IEC 201

40、7 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 9 4 Requirements by type and class of audiometer 13 5 General requirements 15 5.1 General safety requirements . 15 5.2 Acoustic safety requirements 15 5.3 Environmental conditions 15 5.4 Warm-up time

41、. 15 5.5 Power supply variation 15 5.5.1 Interruption of power supply 15 5.5.2 Mains operation . 15 5.5.3 Battery operation . 15 5.5.4 Other power supplies . 16 5.6 Electromagnetic compatibility 16 5.7 Unwanted sound . 16 5.7.1 General . 16 5.7.2 Unwanted sound from and between any combination of tr

42、ansducers 16 5.7.3 Unwanted sound from an earphone . 16 5.7.4 Unwanted sound from a bone vibrator 16 5.7.5 Unwanted sound radiated by an audiometer 17 5.8 Testing of automatic-recording audiometers 17 5.9 Interface connections 17 6 Test signals . 17 6.1 Speech signals . 17 6.1.1 Speech signal genera

43、l requirements 17 6.1.2 Free-field equivalent earphone output level . 17 6.1.3 Uncorrected earphone output level 18 6.1.4 Loudspeaker output level . 18 6.1.5 Bone vibrator output level 18 6.1.6 Speech signal frequency response 18 6.1.7 Calibration signal . 18 6.1.8 Live voice microphone frequency re

44、sponse 18 6.1.9 Scale reference and output level 19 6.1.10 Distortion requirements for speech signals 19 6.2 Pure tones 20 6.2.1 Frequency range and hearing level range 20 6.2.2 Frequency acceptance limits 21 6.2.3 Total harmonic distortion . 21 6.2.4 Rate of frequency change 21 6.2.5 Frequency modu

45、lation . 21 6.3 External signal sources . 22 6.3.1 Signals 22 6.3.2 Frequency response 22 BS EN 606451:2017EN 60645-1:2017 4 Publication Year Title EN/HD Year IEC 61260-1 - Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications EN 61260-1 - IEC 61672-1 - Electroac

46、oustics - Sound level meters - Part 1: Specifications EN 61672-1 - ISO 266 - Acoustics - Preferred frequencies EN ISO 266 - ISO 389-1 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aura

47、l earphones EN ISO 389-1 - ISO 389-2 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones EN ISO 389-2 - ISO 389-3 - Acoustics - Reference zero for the calibration of audiometric e

48、quipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators EN ISO 389-3 - ISO 389-4 1994 Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise EN ISO 389-4 1998 ISO 389-5 - Acou

49、stics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz EN ISO 389-5 - ISO 389-7 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions EN ISO 389-7 - ISO 389-8 - Acoustics - Reference zero for the calibration of audiometric equipment - Part