IEC 60645-5-2004 Electroacoustics - Audiometric equipment - Part 5 Instruments for the measurement of aural acoustic impedance admittance《电声学.听力测定设备.第5部分 听觉声阻抗 导纳测量用设备》.pdf

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1、 NORME INTERNATIONALECEIIECINTERNATIONAL STANDARD 60645-5Premire ditionFirst edition2004-11Electroacoustique Appareillage audiomtrique Partie 5: Instruments pour la mesure de limpdance ou de ladmittance aurale (impdancemtres ou admittancemtres) Electroacoustics Audiometric equipment Part 5: Instrume

2、nts for the measurement of aural acoustic impedance/admittance Numro de rfrence Reference number CEI/IEC 60645-5:2004 Numrotation des publications Depuis le 1er janvier 1997, les publications de la CEI sont numrotes partir de 60000. Ainsi, la CEI 34-1 devient la CEI 60034-1. Editions consolides Les

3、versions consolides de certaines publications de la CEI incorporant les amendements sont disponibles. Par exemple, les numros ddition 1.0, 1.1 et 1.2 indiquent respectivement la publication de base, la publication de base incorporant lamendement 1, et la publication de base incorporant les amendemen

4、ts 1 et 2. Informations supplmentaires sur les publications de la CEI Le contenu technique des publications de la CEI est constamment revu par la CEI afin quil reflte ltat actuel de la technique. Des renseignements relatifs cette publication, y compris sa validit, sont dispo-nibles dans le Catalogue

5、 des publications de la CEI (voir ci-dessous) en plus des nouvelles ditions, amendements et corrigenda. Des informations sur les sujets ltude et lavancement des travaux entrepris par le comit dtudes qui a labor cette publication, ainsi que la liste des publications parues, sont galement disponibles

6、par lintermdiaire de: Site web de la CEI (www.iec.ch) Catalogue des publications de la CEI Le catalogue en ligne sur le site web de la CEI (www.iec.ch/searchpub) vous permet de faire des recherches en utilisant de nombreux critres, comprenant des recherches textuelles, par comit dtudes ou date de pu

7、blication. Des informations en ligne sont galement disponibles sur les nouvelles publications, les publications remplaces ou retires, ainsi que sur les corrigenda. IEC Just Published Ce rsum des dernires publications parues (www.iec.ch/online_news/justpub) est aussi dispo-nible par courrier lectroni

8、que. Veuillez prendre contact avec le Service client (voir ci-dessous) pour plus dinformations. Service clients Si vous avez des questions au sujet de cette publication ou avez besoin de renseignements supplmentaires, prenez contact avec le Service clients: Email: custserviec.ch Tl: +41 22 919 02 11

9、 Fax: +41 22 919 03 00 Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1. Consolidated editions The IEC is now publishing consolidated versions of its publications. For example,

10、 edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2. Further information on IEC publications The technical content of IEC publications is kept under constant review by

11、 the IEC, thus ensuring that the content reflects current technology. Information relating to this publication, including its validity, is available in the IEC Catalogue of publications (see below) in addition to new editions, amendments and corrigenda. Information on the subjects under consideratio

12、n and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from the following: IEC Web Site (www.iec.ch) Catalogue of IEC publications The on-line catalogue on the IEC web site (www.iec.ch/searchpub)

13、 enables you to search by a variety of criteria including text searches, technical committees and date of publication. On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda. IEC Just Published This summary of recently issued

14、 publications (www.iec.ch/online_news/justpub) is also available by email. Please contact the Customer Service Centre (see below) for further information. Customer Service Centre If you have any questions regarding this publication or need further assistance, please contact the Customer Service Cent

15、re: Email: custserviec.ch Tel: +41 22 919 02 11 Fax: +41 22 919 03 00 . NORME INTERNATIONALECEIIECINTERNATIONAL STANDARD 60645-5Premire ditionFirst edition2004-11Electroacoustique Appareillage audiomtrique Partie 5: Instruments pour la mesure de limpdance ou de ladmittance aurale (impdancemtres ou a

16、dmittancemtres) Electroacoustics Audiometric equipment Part 5: Instruments for the measurement of aural acoustic impedance/admittance Pour prix, voir catalogue en vigueur For price, see current catalogue IEC 2004 Droits de reproduction rservs Copyright - all rights reserved Aucune partie de cette pu

17、blication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de lditeur. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechan

18、ical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission, 3, rue de Varemb, PO Box 131, CH-1211 Geneva 20, SwitzerlandTelephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmailiec.ch Web: www.iec.ch CODE PRIX PR

19、ICE CODE U Commission Electrotechnique InternationaleInternational Electrotechnical Commission 2 60645-5 CEI:2004 SOMMAIRE AVANT-PROPOS4 INTRODUCTION.8 1 Domaine dapplication 10 2 Rfrences normatives.10 3 Termes et dfinitions 12 4 Exigences pour les instruments particuliers 18 5 Spcifications gnrale

20、s.20 5.1 Systme de mesure.20 5.2 Systme pneumatique .22 5.3 Systme dexcitation du rflexe acoustique .24 6 Vrification de la conformit aux spcifications.28 6.1 Gnralits28 6.2 Systme de mesure de limpdance ou de ladmittance .28 6.3 Signal de sonde 28 6.4 Systme pneumatique .30 6.5 Signaux dexcitation

21、du rflexe acoustique 30 6.6 Valeurs maximales autorises des incertitudes largies de mesure.32 7 Cavits dtalonnage 34 7.1 Gnralits34 7.2 Dimensions des cavits dtalonnage 34 7.3 Matriau des parois des cavits dtalonnage .34 7.4 Couplage de la sonde une cavit dtalonnage .34 8 Exigences gnrales 34 8.1 Ma

22、rquage34 8.2 Notice demploi34 8.3 Exigences concernant la scurit 34 8.4 Dure de prchauffage36 8.5 Variation de la tension dalimentation et conditions denvironnement .36 8.6 Rayonnements et signaux acoustiques indsirables 36 9 Symboles utiliss et prsentation des donnes concernant limpdance ou ladmitt

23、ance acoustique 38 9.1 Symboles pour lindication des grandeurs mesures38 9.2 Reprsentation dun tympanogramme38 9.3 Reprsentation de lessai de rflexe acoustique 38 9.4 Reprsentation des essais concernant la trompe dEustache.40 10 Caractristiques complmentaires spcifier par le fabricant.40 10.1 Systme

24、 de mesure de limpdance ou de ladmittance aurale 40 10.2 Systme pneumatique .42 10.3 Systme dexcitation du rflexe acoustique .44 10.4 Sortie lectrique analogique 44 Annexe A (informative) Etalonnage priodique.46 Annexe B (informative) Units et termes 48 Annexe C (informative) Caractristiques tempore

25、lles globales .52 Bibliographie.56 60645-5 IEC:2004 3 CONTENTS FOREWORD.5 INTRODUCTION.9 1 Scope.11 2 Normative references .11 3 Terms and definitions .13 4 Requirements for specific instruments 19 5 General specifications 21 5.1 Measuring system .21 5.2 Pneumatic system .23 5.3 Acoustic reflex acti

26、vating stimulus system .25 6 Demonstration of conformity with specifications29 6.1 General .29 6.2 Impedance/admittance measuring system .29 6.3 Probe signal 29 6.4 Pneumatic system .31 6.5 Acoustic reflex activating stimulus signals .31 6.6 Maximum permitted expanded uncertainty of measurements .33

27、 7 Calibration cavities .35 7.1 General .35 7.2 Dimensions of calibration cavities35 7.3 Material of calibration cavity walls .35 7.4 Connection of probe to a calibration cavity 35 8 General requirements.35 8.1 Marking .35 8.2 Instruction manual.35 8.3 Safety requirements 35 8.4 Warm-up time37 8.5 S

28、upply variation and environmental conditions 37 8.6 Unwanted acoustic signals and radiation .37 9 Symbols, forms and formats for acoustic impedance/admittance data.39 9.1 Symbols for indicating measured quantities.39 9.2 Tympanogram format 39 9.3 Acoustic reflex test format .39 9.4 Eustachian tube f

29、unction test format41 10 Additional characteristics to be specified by the manufacturer 41 10.1 Aural impedance/admittance measurement system .41 10.2 Pneumatic system .43 10.3 Acoustic reflex activating stimulus system .45 10.4 Analogue electrical output .45 Annex A (informative) Routine calibratio

30、n 47 Annex B (informative) Units and terms.49 Annex C (informative) Overall temporal characteristics 53 Bibliography57 4 60645-5 CEI:2004 COMMISSION LECTROTECHNIQUE INTERNATIONALE _ ELECTROACOUSTIQUE APPAREILLAGE AUDIOMTRIQUE Partie 5: Instruments pour la mesure de limpdance ou de ladmittance aurale

31、 (impdancemtres ou admittancemtres) AVANT-PROPOS 1) La Commission Electrotechnique Internationale (CEI) est une organisation mondiale de normalisation compose de lensemble des comits lectrotechniques nationaux (Comits nationaux de la CEI). La CEI a pour objet de favoriser la coopration international

32、e pour toutes les questions de normalisation dans les domaines de llectricit et de llectronique. A cet effet, la CEI entre autres activits publie des Normes internationales, des Spcifications techniques, des Rapports techniques, des Spcifications accessibles au public (PAS) et des Guides (ci-aprs dn

33、omms “Publication(s) de la CEI“). Leur laboration est confie des comits dtudes, aux travaux desquels tout Comit national intress par le sujet trait peut participer. Les organisations internationales, gouvernementales et non gouvernementales, en liaison avec la CEI, participent galement aux travaux.

34、La CEI collabore troitement avec lOrganisation Internationale de Normalisation (ISO), selon des conditions fixes par accord entre les deux organisations. 2) Les dcisions ou accords officiels de la CEI concernant les questions techniques reprsentent, dans la mesure du possible, un accord internationa

35、l sur les sujets tudis, tant donn que les Comits nationaux de la CEI intresss sont reprsents dans chaque comit dtudes. 3) Les Publications de la CEI se prsentent sous la forme de recommandations internationales et sont agres comme telles par les Comits nationaux de la CEI. Tous les efforts raisonnab

36、les sont entrepris afin que la CEI sassure de lexactitude du contenu technique de ses publications; la CEI ne peut pas tre tenue responsable de lventuelle mauvaise utilisation ou interprtation qui en est faite par un quelconque utilisateur final. 4) Dans le but dencourager luniformit internationale,

37、 les Comits nationaux de la CEI sengagent, dans toute la mesure possible, appliquer de faon transparente les Publications de la CEI dans leurs publications nationales et rgionales. Toutes divergences entre toutes Publications de la CEI et toutes publications nationales ou rgionales correspondantes d

38、oivent tre indiques en termes clairs dans ces dernires. 5) La CEI na prvu aucune procdure de marquage valant indication dapprobation et nengage pas sa responsabilit pour les quipements dclars conformes une de ses Publications. 6) Tous les utilisateurs doivent sassurer quils sont en possession de la

39、dernire dition de cette publication. 7) Aucune responsabilit ne doit tre impute la CEI, ses administrateurs, employs, auxiliaires ou mandataires, y compris ses experts particuliers et les membres de ses comits dtudes et des Comits nationaux de la CEI, pour tout prjudice caus en cas de dommages corpo

40、rels et matriels, ou de tout autre dommage de quelque nature que ce soit, directe ou indirecte, ou pour supporter les cots (y compris les frais de justice) et les dpenses dcoulant de la publication ou de lutilisation de cette Publication de la CEI ou de toute autre Publication de la CEI, ou au crdit

41、 qui lui est accord. 8) Lattention est attire sur les rfrences normatives cites dans cette publication. Lutilisation de publications rfrences est obligatoire pour une application correcte de la prsente publication. 9) Lattention est attire sur le fait que certains des lments de la prsente Publicatio

42、n de la CEI peuvent faire lobjet de droits de proprit intellectuelle ou de droits analogues. La CEI ne saurait tre tenue pour responsable de ne pas avoir identifi de tels droits de proprit et de ne pas avoir signal leur existence. La Norme internationale CEI 60645-5 a t tablie par le comit dtudes 29

43、 de la CEI: Electroacoustique. Cette premire dition de la CEI 60645-5 annule et remplace la premire dition de la CEI 61027, publie en 1991, et constitue une rvision technique. 60645-5 IEC:2004 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTROACOUSTICS AUDIOMETRIC EQUIPMENT Part 5: Instruments fo

44、r the measurement of aural acoustic impedance/admittance FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-ope

45、ration on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to a

46、s “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non-governmental organizations liaising with the IEC also participate in this pre

47、paration. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international con

48、sensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used o

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