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Chinese Standard: GB/T 25102.8-2017

Electroacoustics—Hearing aids—Part 8:Methods of measurement of performance characteristicsof hearing aids under simulated in situ working conditions

IDT IEC 60118-8:2005

全国电声学标准化技术委员会(SAC/TC 23)

GB/T 25102的本部分规定了模拟成人佩戴者对助听器性能的声学影响的测量方法。本部分适用于建立模拟实际工作条件下的助听器性能测量,提出了一种模拟实际条件下助听器性能测量的简化方法,并给出了助听器中指向性传声器在水平方向的指向性指数(DI)的确定方法。

另外,本部分规定了允差。只有当测试实验室实际测量结果包括扩展不确定度后,完全落在根据本部分规定的Umax值扩展的允差内,才能证明符合本部分规定。

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