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电声学.音响校准器(IEC 60942-2017); 德文版本EN IEC 60942-2018
Electroacoustics - Sound calibrators (IEC 60942:2017); German version EN IEC 60942:2018
参考页数：62P.;A4
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娱乐技术. 机械装置. 第5部分: 电动链式系统的安全要求
Entertainment technology - Machinery installations - Part 5: Safety requirements for electric chainhoist systems
参考页数：24P.;A4
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音频,视频和多媒体系统和设备.数字电视可访问性.功能规格(IEC 62944-2016);英文版本EN 62944-2017
Audio, video and multimedia systems and equipment - Digital television accessibility - Functional specifications (IEC 62944:2016); English version EN 62944:2017
参考页数：53P.;A4
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音响系统设备: 便携式音频播放设备用头戴式受话器和耳机.最大声压级测量方法.第3部分:音量管理测量方法;德文版本EN 50332-3-2017
Sound system equipment: headphones and earphones associated with personal music players - maximum sound pressure level measurement methodology - Part 3: measurement method for sound dose management; German version EN 50332-3:2017
参考页数：15P.;A4
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音频,视频和多媒体系统和设备.数字电视可访问性.功能规格(IEC 62944-2016);英文版本EN 62944-2017
Audio, video and multimedia systems and equipment - Digital television accessibility - Functional specifications (IEC 62944:2016); English version EN 62944:2017
参考页数：53P.;A4
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音响系统设备: 便携式音频播放设备用头戴式受话器和耳机.最大声压级测量方法.第3部分:音量管理测量方法;德文版本EN 50332-3-2017
Sound system equipment: headphones and earphones associated with personal music players - maximum sound pressure level measurement methodology - Part 3: measurement method for sound dose management; German version EN 50332-3:2017
参考页数：15P.;A4
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音响系统设备.第3部分:放大器
Sound system equipment - Part 3: Amplifiers
参考页数：62P.;A4
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进出口音视频及类似电子设备检验规程.第6部分：机顶盒的能效
Rules for the inspection of audio,vedio and similar electronic apparatus for import and export.Part 6:Energy efficiency for set-top boxes
参考页数：18P.;A4
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φ23.77mm标准电容传声器的自由场灵敏度级和声压灵敏度级之间的差值
Difference value between free-field sensitivity and pressure sensitivity levels for φ23.77mm standard condenser microphone
参考页数：
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采用互易技术对φ23.77mm标准电容传声器进行声压校准的精密方法
Precision method for sound pressure calibration of φ23.77mm standard condenser microphone by means of reciprocity technology
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