EN ISO 389-5-2006 声学.校正听力设备的基准零级.第5部分:频率为8kHz~16kHz纯音用参考等效阈值声压级
Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz