|
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
|
|
|
|
|
|
水声学.水听器.频率范围为1 Hz至500 kHz的水听器性能(IEC 60500-2017);德文版本EN 60500-2017
Underwater acoustics - Hydrophones - Properties of hydrophones in the frequency range 1 Hz to 500 kHz (IEC 60500:2017); German version EN 60500:2017
参考页数:26P.;A4
|
|
|
|
|
|
超声学.水听器.第2部分:40 MHz及以下超声场的校准(IEC 62127-2-2007+Cor.-2008+A1-2013+A2-2017);德文版本EN 62127-2-2007+A1-2013+A2-2017
Ultrasonics - Hydrophones - Part 2: Calibration for ultrasonic fields up to 40 MHz (IEC 62127-2:2007 + Cor.:2008 + A1:2013 + A2:2017); German version EN 62127-2:2007 + A1:2013 + A2:2017
参考页数:101P.;A4
|
|
|
|
|
|
超声波. 用自互易法测量球形弯曲换能器的电声参数和声输出功率
Ultrasonics - Measurements of electroacoustical parameters and acoustic output power of spherically curved transducers using the self-reciprocity method
参考页数:47P.;A4
|
|
|
|
|
|
电声学. 助听器. 第4部分: 助听器用感应回路系统. 系统性能要求
Electroacoustics - Hearing aids - Part 4 : induction-loop systems for hearing aid purposes - System performance requirements
参考页数:14P.;A4
|
|
|
|
|
|
电声学.测听仪.第1部分:纯音和语言测听设备
Electroacoustics - Audiometric equipment - Part 1 : equipment for pure-tone and speech audiometry
参考页数:50P.;A4
|
|
|
|
|
|
电声学.声级计.第2部分:型式评定试验
Electroacoustics -- Sound level meters -- Part 2: Pattern evaluation tests
参考页数:38P;A4
|
|
|
|
|
|
电声学 测量电容传声器电声性能的测量方法
Electroacoustics.Measurement methods of electroacoustic characteristics for measurement condenser microphones
参考页数:34P.;A4
|
|
|
|
|
|
电声学 测量电容传声器通用规范
Electroacoustics.General specification of measurement condenser microphones
参考页数:22P.;A4
|
|
|
|
|
|
电声学 飞机噪声测量仪器 运输机噪声评定用1/3倍频程声压级测量系统的性能要求
Electroacoustics.Instruments for measurement of aircraft noise.Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes
参考页数:14P.;A4
|
|
|
|
|