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IEC 60118-9-ed.2.0
Electroacoustics - Hearing aids - Part 9: Methods of measurement of the performance characteristics of bone conduction hearing aids
Translate name
STANDARD published on 16.9.2019
The information about the standard:
Designation standards: IEC 60118-9-ed.2.0
Publication date standards: 16.9.2019
SKU: NS-972726
The number of pages: 54
Approximate weight : 162 g (0.36 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60118-9-ed.2.0 :
IEC 60118-9:2019 specifies methods for the measurement of bone conduction hearing aid characteristics. The methods described will produce a suitable basis for the exchange of information or for direct comparison of the electroacoustical characteristics of bone conduction hearing aids. These methods are chosen to be practical and reproducible and are based on selected fixed parameters. The results obtained by the methods specified in this document express the performance under the conditions of measurement; however, the performance of the hearing aid under practical conditions of use will depend upon a number of factors (e.g. effective load impedance, environmental conditions, acoustical environment, etc.). This document defines methods of measurement of characteristics of bone conduction hearing aids both for • transcutaneously coupled devices measured on a mechanical coupler, meeting the requirements of IEC 60318-6, and • bone coupled/bone anchored devices measured on a skull simulator. IEC 60118-9:2019 cancels and replaces the first edition published in 1985. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) includes bone coupled devices measured on a skull simulator; b) measurement frequency range increased to 8 000 Hz for bone coupled devices. LIEC 60118-9:2019 specifie les methodes permettant de mesurer les caracteristiques des appareils de correction auditive a conduction osseuse. Les resultats des methodes decrites constitueront une base adaptee pour echanger des informations ou pour comparer directement les caracteristiques electroacoustiques des appareils de correction auditive a conduction osseuse. Ces methodes sont choisies pour leur praticabilite et leur reproductibilite, et sont fondees sur des parametres fixes selectionnes. Les resultats obtenus par les methodes specifiees dans le present document expriment le fonctionnement de lappareil de correction auditive dans les conditions de mesure, mais le fonctionnement en conditions reelles dutilisation depend dun ensemble de facteurs (impedance de charge effective, conditions denvironnement, environnement acoustique, etc.). Le present document definit les methodes permettant de mesurer les caracteristiques des appareils de correction auditive a conduction osseuse qui sont: • des appareils a couplage transcutane mesures sur un coupleur mecanique satisfaisant aux exigences de lIEC 60318-6; • des appareils a couplage/ancrage osseux mesures sur un simulateur cranien. LIEC 60118-9:2019annule et remplace la premiere edition parue en 1985. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) ajout des appareils a couplage osseux mesures sur un simulateur cranien; b) augmentation de la plage de frequences de mesure a 8 000 Hz pour les appareils a couplage osseux.
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