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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4854.3-2022 |
Acoustics—Reference zero for the calibration of audiometric equipment—Part 3：Reference equivalent threshold vibratory force levels for pure tones and bone vibrators 声学 校准测听设备的基准零级 第3部分: 骨振器纯音基准等效阈振动力级 |
China National Standards Acoustics Reference zero |
 English PDF |
| GB/T 4854.9-2016 |
Acoustics—Reference zero for the calibration of audiometric equipment—Part 9: Preferred test conditions for the determination of reference hearing threshold levels 声学 校准测听设备的基准零级 第9部分：确定基准听阈级的优选测试条件 |
China National Standards Acoustics Reference zero |
English PDF |
| GB/T 4854.6-2014 |
Acoustics―Reference zero for the calibration of audiometric equipment―Part 6: Reference hearing threshold levels for test signals of short duration 声学 校准测听设备的基准零级 第6部分：短时程测试信号的基准听阈 |
China National Standards Acoustics Reference zero |
English PDF |
| GB/T 4854.7-2008 |
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions 声学 校准测听设备的基准零级 第7部分: 自由场与扩散场测听的基准听阈 |
China National Standards Acoustics Reference zero |
English PDF |
| GB/T 4854.5-2008 |
Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 kHz 声学 校准测听设备的基准零级 第5部分：8kHz-16kHz频率范围纯音基准等效阈声压级 |
China National Standards Acoustics Reference zero |
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 Acoustics Reference zero |
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 Acoustics Reference zero |
English PDF |
| GB/T 4854.4-1999 |
Acoustics--Reference zero for the calibration of audiometric equipment--Part 4:Reference levels for narrow-band masking noise 声学 校准测听设备的基准零级 第4部分:窄带掩蔽噪声的基准级 |
China National Standards Acoustics Reference zero |
English PDF |
| GB/T 4854.3-1998 |
Acoustics--Reference zero for the calibration of audiometric equipment--Part 3:Reference equivalent threshold force levels for pure tones and bone vibrators 声学 校准测听设备的基准零级 第3部分:骨振器纯音基准等效阈力级 |
China National Standards Acoustics Reference zero |
English PDF |
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