标准号:DIN EN 60118-8-2006
中文标准名称:电声学.助听器.第8部分:助听器在模拟现场工作条件时的性能特性测量(IEC 60118-8:2005)
英文标准名称:Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions (IEC 60118-8:2005); German version EN 60118-8:2005
标准类型:L31
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:L31
国际标准分类号:11.180.15
引用标准:IEC 60118-0-1983;IEC 60263;IEC 60711;IEC/TR 60959
适用范围:The purpose of this part of IEC 60118 is to describe methods for at test which simulates the acoustical effects of a median adult wearer on the performance of a hearing aid.It 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.