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IEC 60118-9:1985

Hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output

General information

Withdrawn from 16.09.2019
Directives or regulations
None

Standard history

Status
Date
Type
Name
16.09.2019
Main
01.01.1985
Main
Defines a method of expressing the input/output ratio as an acousto-mechanical sensitivity level measured on a mechanical coupler according to the second edition of IEC 60373.
Provides a suitable basis for the exchange of information or for direct comparison of the electroacoustic characteristics of hearing aids using bone vibrator outputs. The methods chosen are practical and reproducible and are based on selected fixed parameters.

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