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定向扬声器阵列系统声场的质量评估方法
Quality evaluation method for the sound field of directional loudspeaker array system
参考页数：20P.;A4
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电声学. 助听器. 16 kHz及以下电声性能的测量方法
Electroacoustics. Hearing aids. Method for measuring electroacoustic performance up to 16 kHz
参考页数：46P.;A4
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电声学.音响校准器
Electroacoustics - Sound calibrators
参考页数：94P.;A4
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电子元器件质量评定协调体系.空白详细规范:表面声波(SAW)滤波器.性能认可
Harmonized system of quality assessment for electronic components - Blank detail specification: surface acoustic wave (SAW) filters - Capability approval
参考页数：12P.;A4
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测量传声器.频率响应的测定用静电促动器
Measurement microphones - Electrostatic actuators for determination of frequency response
参考页数：30P.;A4
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电声学. 助听器实耳声学性能特性的测量
Electroacoustics. Measurement of real-ear acoustical performance characteristics of hearing aids
参考页数：42P.;A4
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有视力障碍的人和同时具有视力和听力障碍的人用辅助产品.行人交通灯用声学和触觉信号
Assistive products for persons with vision impairments and persons with vision and hearing impairments. Acoustic and tactile signals for pedestrian traffic lights
参考页数：16P;A4
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听力保护器.安全要求和测试.娱乐音频耳套
Hearing protectors —Safety requirementsand testing —Part 8: Entertainment audio ear-muffs
参考页数：16P.;A4
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电声学.助听器.第7部分:以生产、供应和交货质量保证为目的的助听器性能测量
Electroacoustics - Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
参考页数：26P.;A4
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电声学.助听器.第8部分:模拟现场工作条件下助听器工作特性的测量方法
Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
参考页数：36P.;A4
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