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声学. 与年龄和性别相关的听力阈值统计分布
Acoustics - Statistical distribution of hearing thresholds related to age and gender
参考页数:22P.;A4
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声学.标准等响度级曲线
Acoustics - Normal equal-loudness-level contours
参考页数:22P.;A4
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声学.职业性噪音暴露的测定.工程方法
Acoustics - Determination of occupational noise exposure - Engineering method
参考页数:50P.;A4
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声学.噪声诱发的听觉损耗估计
Acoustics - Estimation of noise-induced hearing loss
参考页数:30P.;A4
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声学. 环境噪音的描述和测量
Acoustics -- Description and measurement of environmental noise
参考页数:48P;A4
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声学. 环境噪音的描述和测量
Acoustics -- Description and measurement of environmental noise
参考页数:48P;A4
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电声学. 测听设备. 第1部分: 纯音和言语测听设备 (IEC 60645-1-2017); 德文版本 EN 60645-1-2017
Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry (IEC 60645-1:2017); German version EN 60645-1:2017
参考页数:51P.;A4
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电声学. 测听设备. 第1部分: 纯音和言语测听设备 (IEC 60645-1-2017); 德文版本 EN 60645-1-2017
Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry (IEC 60645-1:2017); German version EN 60645-1:2017
参考页数:51P.;A4
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声学.音响设备校正基准零点.纯音和超听觉耳机用基准等效阈值声压级
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
参考页数:18P.;A4
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声学.校正听力设备的基准零级.第1部分:纯音和压耳式耳机用的基准等效阈声压级(ISO 389-1-2017); 德文版本EN ISO 389-1-2018
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); German version EN ISO 389-1:2018
参考页数:19P.;A4
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