DIN V 45608-1992
空气传导助听器声学测量用临时头部模拟器和躯干模拟器
Provisional head and torso simulator for acoustic measurements on air conduction hearing aids; identical with IEC 60959:1990
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- 标准号
- DIN V 45608-1992
- 发布日期
- 1992年03月
- 实施日期
- 废止日期
- 无
- 中国标准分类号
- L31
- 国际标准分类号
- 11.180.15
- 发布单位
- DE-DIN
- 代替标准
- DIN IEC/TS 60318-7-2012
- 适用范围
- This preliminary standard describes a head and torso simulator for hearing aid measurements. The device is intend for airbone acoustic measurements, and is not suitable for measurements which depend on vibration conduction path such as bone conduction. The head and torso simulator has been designed to provide diffraction similar to that encountered around the median human head and torso, and as such may be useful for other acoustical measurements. At present it has, however, only been validated for hearing aids, and other applications will require additional validatory studies. Some such studies have already shown that the head and torso simulator may not be suitable for the calibration of external earphones due to poor repeatability of their positioning; errors may exceed 10 dB.#,,#