GB/T 4854.8-2007
ActiveAcoustics - 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
Application Summary AI generated
This standard specifies the reference equivalent threshold sound pressure levels (RETSPL) for pure-tone audiometry using circumaural earphones. It is applied in audiology clinics and hearing test facilities to calibrate audiometric equipment, ensuring consistent and accurate hearing threshold measurements across different devices and testing environments.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.