EN 60118-8:2005

Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions

Describes methods for a test which simulates the acoustical effects of a median adult wearer on the performance of a hearing aid. Establishes certain guidelines for simulated in situ measurements of hearing aids; it describes a simplified method for simulated in situ measurements of hearing aids and a description for determination of the directivity index (DI) of directional microphones in hearing aids in the horizontal plane. In addition this second edition now specifies tolerances. Conformance to the specifications in this International Standard is demonstrated only when the result of a measurement, extended by the actual expanded uncertainty of measurement of the testing laboratory, lies fully within the tolerances specified in this International Standard extended by the values for Umax

Akustik - Hörgeräte - Teil 8: Verfahren zur Messung der Übertragungseigenschaften von Hörgeräten unter simulierten In-Situ-Bedingungen

Electroacoustique - Appareils de correction auditive - Partie 8: Méthodes de mesure des caractéristiques fonctionnelles des appareils de correction auditive dans des conditions simulées de fonctionnement in situ

Décrit les méthodes pour un essai qui simule les effets acoustiques d'un adulte moyen, porteur d'un appareil de correction auditive, sur les caractéristiques de l'appareil. Etablit un certain nombre de directives pour la mesure des appareils de correction auditive dans des conditions simulées de fonctionnement in situ; elle décrit une méthode simplifiée pour la mesure des appareils de correction auditive, dans des conditions simulées de fonctionnement in situ, et une méthode permettant de déterminer l'indice de directivité (ID) des microphones directionnels utilisés dans les appareils de correction auditive, dans le plan horizontal. De plus, cette deuxième édition de la présente partie de la EN 60118 spécifie désormais les tolérances. Dans la présente Norme Internationale, la conformité aux spécifications n'est démontrée que lorsque les résultats de mesure, augmentés de l'incertitude étendue réelle de mesure du laboratoire d'essai, sont entièrement compris dans les tolérances spécifiées dans la présente Norme Internationale étendues aux valeurs Umax.

Elektroakustika – Slušni pripomočki – 8. del: Metode za merjenje zmogljivostnih karakteristik slušnih pripomočkov v pogojih simuliranega delovanja na kraju samem (IEC 60118-8:2005)

General Information

• Status: Published
• Publication Date: 15-Dec-2005
• Withdrawal Date: 30-Nov-2008
• ICS: 17.140.50 - Electroacoustics
• Technical Committee: CLC/SR 29 - Electroacoustics
• Drafting Committee: IEC/TC 29 - IEC_TC_29
• Parallel Committee: IEC/TC 29 - IEC_TC_29
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 16-Dec-2005
• Completion Date: 16-Dec-2005
• Ref Project: SIST EN 60118-8:2006 - Electroacoustics - Hearing aids -- Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions

Standards Content (Sample)

SLOVENSKI SIST EN 60118-8:2006

STANDARD
marec 2006
Elektroakustika – Slušni pripomočki – 8. del: Metode za merjenje
zmogljivostnih karakteristik slušnih pripomočkov v pogojih simuliranega
delovanja na kraju samem (IEC 60118-8:2005)
Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance
characteristics of hearing aids under simulated in situ working conditions (IEC
60118-8:2005)
ICS 11.180.15 Referenčna številka
SIST EN 60118-8:2006(en)
©  Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno

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EUROPEAN STANDARD EN 60118-8
NORME EUROPÉENNE
EUROPÄISCHE NORM December 2005

ICS 17.140.50


English version


Electroacoustics –
Hearing aids
Part 8: Methods of measurement of performance characteristics
of hearing aids under simulated in situ working conditions
(IEC 60118-8:2005)


Electroacoustique –  Akustik –
Appareils de correction auditive Hörgeräte
Partie 8: Méthodes de mesure Teil 8: Verfahren zur Messung der
des caractéristiques fonctionnelles Übertragungseigenschaften von
des appareils de correction auditive Hörgeräten unter simulierten
In-Situ-Bedingungen
dans des conditions simulées
de fonctionnement in situ (IEC 60118-8:2005)
(CEI 60118-8:2005)


This European Standard was approved by CENELEC on 2005-12-01. 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 standards may be obtained on
application to the Central Secretariat 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 language and
notified to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels


© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60118-8:2005 E

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EN 60118-8:2005 - 2 -
Foreword
The text of document 29/584/FDIS, future edition 2 of IEC 60118-8, prepared by IEC TC 29,
Electroacoustics, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC
as EN 60118-8 on 2005-12-01.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2006-09-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2008-12-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60118-8:2005 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60068 NOTE Harmonized in the EN 60068 series (not modified).
IEC 60118-7 NOTE Harmonized as EN 60118-7:2005 (not modified).
__________

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- 3 - EN 60118-8:2005
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application 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 Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
IEC 60118-0 1983 Hearing aids EN 60118-0 1993
Part 0: Measurement of electroacoustical
characteristics

1)
IEC 60263 - Scales and sizes for plotting frequency - -
characteristics and polar diagrams

1) 2)
IEC 60711 - Occluded-ear simulator for the HD 443 S1 1983
measurement of earphones coupled to
the ear by ear inserts

1)
IEC 60959 - Provisional head and torso simulator for - -
acoustic measurements on air conduction
hearing aids


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