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
电声学.助听器.第8部分:模拟现场工作条件下助听器性能特性的测量方法(IEC 60118-8-2005);德文版EN 60118-8:2005