IEC 60118-8:2005

Title

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

Language: FR 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]

Abstract

Language: EN 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

Language(s)
Language: EN Language: FR
Edition
2.0
Date of issue
19.10.2005
TC 29
ICS Codes
17.140.50
Publication number
60118
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Mandatory Standard according current regulation Mandatory Standard according current regulation

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