EN 62489-1-2010 en Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1 Methods of measuring and specifying the performance of system components .pdf

1、BSI Standards PublicationElectroacoustics Audio-frequency induction loop systems for assisted hearingPart 1: Methods of measuring and specifying the performance of system componentsBS EN 62489-1:2010BS EN 62489-1:2010+A1:2015BS EN 62489-1:2010+A1:2015 BRITISH STANDARDNational forewordThis British St

2、andard is the UK implementation of EN 62489-1:2010+A1:2015. It is identical to IEC 62489-1:2010incorporating amendment 1:2014. It supersedes BS EN 62480-1:2010,which is withdrawn.The start and finish of text introduced or altered by amendment isindicated in the text by tags. Tags indicating changes

3、to IEC text carrythe number of the IEC amendment. For example, text altered by IECamendment 1 is indicated by .The UK participation in its preparation was entrusted to TechnicalCommittee EPL/29, Electroacoustics.A list of organizations represented on this committee can be obtainedon request to its s

4、ecretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 79958 7ICS 17.140.50Compliance with a British Standard cann

5、ot confer immunity fromlegal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 31 May 2010.Amendments/corrigenda issued since publicationDate Text affected31 March 2015 Implementation of IEC amendment 1:2014 withCENELEC endorsement A

6、1:2015. Annex ZA amendedEUROPEAN STANDARD EN 62489-1NORME EUROPENNE EUROPISCHE NORMApril 2010CENELEC European Committee forElectrotechnicalStandardization Comit Europen de Normalisation ElectrotechniqueEuropisches Komitee fr Elektrotechnische NormungManagement Centre:AvenueMarnix 17, B - 1000 Brusse

7、ls 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELECmembers.Ref. No. EN 62489-1:2010 EICS 17.140.50English versionElectroacoustics -Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the perfor

8、mance of systemcomponents(IEC 62489-1:2010)Electroacoustique -Systmes de boucles dinduction audiofrquences pouramliorer laudition -Partie 1: Mthodes demesureet de spcification des performances des composants de systmes(CEI 62489-1:2010)Akustik Audiofrequenz-Induktionsschleifenanlagen zur Untersttzun

9、g von Hrsystemen Teil 1: Verfahren zur Messungund Angabe des Betriebsverhaltens der Systemkomponenten(IEC 62489-1:2010)This European Standard was approved by CENELEC on 2010-04-01. CENELEC members are bound to complywith the CEN/CENELEC Internal Regulations which stipulate the conditions for giving

10、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 onapplication to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versi

11、ons (English, French, German). A version in any otherlanguage made by translation under the responsibility of a CENELEC member into its own language and notifiedto the Central Secretariat has the same status as the official versions.CENELEC members are the national electrotechnical committees of Aus

12、tria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,Spain, Sweden, Switzerland and the United Ki

13、ngdom.BS EN 62489-1:2010EN 62489-1:2010+A1February 2015EN 62489-1:2010 - 2 -Foreword The text of document 29/667/CDV, future edition 1 of IEC 62489-1, prepared by IEC TC 29, Electroacoustics, was submitted to the IEC-CENELEC parallel vote and was approvedbyCENELEC asEN 62489-1 on 2010-04-01.Attentio

14、n is drawn to the possibilitythat some of the elements of this document may be the subject ofpatent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patentrights.The following dates were fixed: latest date by which the EN has to be implemented at national level b

15、y publication of an identicalnational standard or by endorsement (dop) 2011-01-01 latest date by which the national standards conflictingwith the EN have to be withdrawn (dow) 2013-04-01Annex ZA has been added by CENELEC._Endorsement noticeThe text of the International Standard IEC 64289-1:2010 was

16、approved by CENELEC as a European Standard without any modification.In the official version, for Bibliography, the following note has to be added for the standards indicated:1 IEC 60065 NOTE Harmonized as EN60065._BS EN 62489-1:2010 2 BS EN 62489-1:2010+A1:2015EN 62489-1:2010+A1:2015EN 62489-1:2010/

17、A1:2015 - 2 - Foreword The text of document 29/853/FDIS, future IEC 62489-1:2010/A1, prepared by IEC TC 29, Electroacoustics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62489-1:2010/A1:2015. The following dates are fixed: latest date by which the document has to

18、 be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-10-21 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2018-01-21 Attention is drawn to the possibility that some of the elements of thi

19、s document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62489-1:2010/A1:2014 was approved by CENELEC as a European Standard without any modification.

20、Foreword to amendment A1 3 BS EN 62489-1:2010+A1:2015EN 62489-1:2010+A1:2015EN 62489-1:2010/A1:2015 - 2 - Foreword The text of document 29/853/FDIS, future IEC 62489-1:2010/A1, prepared by IEC TC 29, Electroacoustics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 6

21、2489-1:2010/A1:2015. 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 endorsement (dop) 2015-10-21 latest date by which the national standards conflicting with the document have to be withd

22、rawn (dow) 2018-01-21 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62

23、489-1:2010/A1:2014 was approved by CENELEC as a European Standard without any modification. - 3 - EN 62489-1:2010/A1:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normative

24、ly referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by comm

25、on modifications, 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 Replace IEC60268-3:2000 by the following reference: IEC 60268-3 2

26、013 Sound system equipment - Part 3: Amplifiers EN 60268-3 2013 Add to Annex ZA of EN 62489-1:2010 the following new references: IEC 60417 - Graphical symbols for use on equipment. Index, survey and compilation of the single sheets. HD 243 S12 - IEC 60603-11 - Connectors for frequencies below 3 MHz

27、for use with printed boards - Part 11: Detail specification for concentric connectors (dimensions for free connectors and fixed connectors) - - (1$QQH=$ QRUPDWLYH 1RUPDWLYHUHIHUHQFHVWRLQWHUQDWLRQDOSXEOLFDWLRQVZLWKWKHLUFRUUHVSRQGLQJ(XURSHDQSXEOLFDWLRQV7KHIROORZLQJUHIHUHQFHGGRFXPHQWVDUHLQGLVSHQVDEOHIR

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29、,( microphones; other components, suchasplayback equipment.This standard does not deal withsafety, for which IEC 60065 applies. It also does not dealwith EMC (Electromagnetic compatibility) and EMF (Electromagnetic fields, in the context ofhuman exposure).2 Normative referencesThe following referenc

30、ed documents are indispensable for the application of this document.For dated references, only theedition cited applies. For undated references, the latest editionof the referenced document(including any amendments) applies.IEC 60118-4:2006, Electroacoustics Hearing aids Part4: Induction loop system

31、s forhearingaid purposes Magnetic field strengthIEC 60268-1:1985, Sound system equipment Part 1: GeneralIEC 60268-2, Sound system equipment Part 2: Explanation of general terms and calculation methodsIEC 60268-3:2000, Sound system equipment Part 3: AmplifiersIEC 60268-4:2004, Sound system equipment

32、Part 4: Microphones IEC 61938, Audio, video andaudiovisual systems Interconnectionsand matching valuesPreferred matching values of analogue signals ISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty inmeasurement (GUM:1995 )BS EN 62489-1:2010 6 62489-1 IEC:

33、2010ELECTROACOUSTICS AUDIO-FREQUENCY INDUCTION LOOPSYSTEMS FOR ASSISTED HEARING Part 1: Methods of measuring and specifyingthe performance of system components 1 Scope This partof the IEC 62489 series applies tothe components of audio-frequencyinduction-loop systems for assisted hearing. It mayalsob

34、eapplied to such systems used forotherpurposes, asfar as it is applicable. Thisstandard is intended to encourage accurateand uniform presentation ofmanufacturers specifications, which can be verified bystandardizedmethods of measurement.It is intended for type testing.The components considered are t

35、he following: amplifiers; microphones; other components, suchasplayback equipment.This standard does not deal withsafety, for which IEC 60065 applies. It also does not dealwith EMC (Electromagnetic compatibility) and EMF (Electromagnetic fields, in the context ofhuman exposure).2 Normative reference

36、sThe following referenced documents are indispensable for the application of this document.For dated references, only theedition cited applies. For undated references, the latest editionof the referenced document(including any amendments) applies.IEC 60118-4:2006, Electroacoustics Hearing aids Part4

37、: Induction loop systems forhearingaid purposes Magnetic field strengthIEC 60268-1:1985, Sound system equipment Part 1: GeneralIEC 60268-2, Sound system equipment Part 2: Explanation of general terms and calculation methodsIEC 60268-3:2000, Sound system equipment Part 3: AmplifiersIEC 60268-4:2004,

38、Sound system equipment Part 4: Microphones IEC 61938, Audio, video andaudiovisual systems Interconnectionsand matching valuesPreferred matching values of analogue signals ISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty inmeasurement (GUM:1995 )BS EN 6248

39、9-1:2010 6 2489-1 IEC:2010ELECTROACOUSTICS AUDIO-FREQUENCY INDUCTION LOOPSYSTEMS FOR ASSISTED HEARING Part 1: Methods of measuring and specifyingthe performance of system components 1 Scope This partof the IEC 62489 series applies tothe components of audio-frequencyinduction-loop systems for assiste

40、d hearing. It mayalsobeapplied to such systems used forotherpurposes, asfar as it is applicable. Thisstandard is intended to encourage accurateand uniform presentation ofmanufacturers specifications, which can be verified bystandardizedmethods of measurement.It is intended for type testing.The compo

41、nents considered are the following: amplifiers; microphones; other components, suchasplayback equipment.This standard does not deal withsafety, for which IEC 60065 applies. It also does not dealwith EMC (Electromagnetic compatibility) and EMF (Electromagnetic fields, in the context ofhuman exposure)

42、.2 Normative referencesThe following referenced documents are indispensable for the application of this document.For dated references, only theedition cited applies. For undated references, the latest editionof the referenced document(including any amendments) applies.IEC 60118-4:2006, Electroacoust

43、ics Hearing aids Part4: Induction loop systems forhearingaid purposes Magnetic field strengthIEC 60268-1:1985, Sound system equipment Part 1: GeneralIEC 60268-2, Sound system equipment Part 2: Explanation of general terms and calculation methodsIEC 60268-3:2000, Sound system equipment Part 3: Amplif

44、iersIEC 60268-4:2004, Sound system equipment Part 4: Microphones IE 61938, Audio, video andaudiovisual systems Interconnectionsand matching valuesPreferred matching values of analogue signals ISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty inmeasurement

45、(GUM:1995 )BS EN 62489-1:2010BS EN 62489-1:2010+A1:2015IEC 62489-1:2010+A1:2015 6 IEC 60268-3:2013, Sound system equipment Part 3: AmplifiersIEC 60417, Graphical symbols for use on equipment (available at http:/www.graphicalsymbols.info/equipment)IEC 60603-11, Connectors for frequencies below 3 MHz

46、for use with printed boards Part 11: Detail specification for concentric connectors (dimensions for free connectors and fixed connectors)62489-1 IEC:2010 7 3 Terms and definitionsFor the purposes of this document, thefollowing definition applies.3.1useful magnetic field volumevolume within which the

47、 systemprovideshearing-aid users with a signal of acceptable quality(see 6.7 ofIEC 60118-4:2006)4 Rated values The term “rated” means the value stated by the manufacturer. Rated values are of two kinds;rated conditions, fundamental values that can be determined only by the manufacturer, andothers that can be measured.See 5.2.1. For a full explanation, see IEC 60268-2.5 Amplifiers5.1 Gener