DANSK DS/EN ISO 389-1:2018 声学 用于校准听力设备的参考零 第1部分:纯音和贴耳式耳机的参考等效阈值声压级 (ISO 389-1:2017)
Acoustics – Reference zero for the calibration of audiometric equipment – Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017)