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| 1. | Acoustics--Reference equivalent threshold sound pressure levels for pure tones and insert earphones |
| GB/T16402-1996声学插入式耳机纯音基准等效阈声压级 |
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| 2. | Acoustics--Reference zero for the calibration of audiometric equipment--Part 3: Reference equivalent |
| GB/T4854.3-1998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 |
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| 3. | Acoustics--Reference zero for the calibration of audiometric equipment--Part 1: Reference equivalent |
| GB/T4854.1-1999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 |
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