便携式音频设备头戴式以及耳塞式耳机检测

便携式音频设备头戴式以及耳塞式耳机检测项目报价？  解决方案？  检测周期？  样品要求？

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BS BS PD 6545-2005人类头部和耳部模拟装置的预期用途.指南

This Published Document describes and gives guidance on the range of currently available standardizedhead and torso simulators, and ear simulators in the fields of audiology, telecommunications, audioengineering and hearing protection.This guide describes ear simulators of the following types and their applications:— acoustic couplers;— artificial ears/occluded ear simulators;— head and torso simulators;— mechanical couplers for the calibration of bone vibrators.The guide also describes the range of earphones available and how they are to be measured on appropriateear simulators.The guide does not describe the effects on the measurement of performance due to using different forms oftest stimuli. The guide does not indicate the performance of a transducer (earphone or bone vibrator) onany individual person or the perceptual qualities of a listener using a transducer.NOTE All documents referred to in the text are listed in the Bibliography.