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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7341.5-2018 |
Electroacoustics—Audiometric equipment—Part 5: Instruments for the measurement of aural acoustic impedance/admittance 电声学 测听设备 第5部分：耳声阻抗/导纳的测量仪器 |
China National Standards aural |
 English PDF |
| GB/T 25498.3-2010 |
Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry 电声学 人头模拟器和耳模拟器 第3部分：校准压耳式测听耳机用声耦合器 |
China National Standards aural |
English PDF |
| GB/T 25498.1-2010 |
Electroacoustics - Simulators of human head and ear - Part 1: Ear simulator for the calibration of supra-aural earphones 电声学 人头模拟器和耳模拟器 第1部分：校准压耳式耳机用耳模拟器 |
China National Standards aural |
English PDF |
| GB/T 4854.8-2007 |
Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones 声学 校准测听设备的基准零级 第8部分：耳罩式耳机纯音基准等效阈声压级 |
China National Standards aural |
English PDF |
| GB/T 4854.1-2004 |
Acoustics--Reference zero for the calibration of audiometric equipment--Part1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones 声学 校准测听设备的基准零级 第1部分:压耳式耳机纯音基准等效阈声压级 |
China National Standards aural |
English PDF |
| GB/T 15953-1995 |
Instruments for the measurement of aural acoustic impedance/admittance 耳声阻抗/导纳的测定仪器 |
China National Standards aural |
English PDF |
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