BS EN ISO 389-5:2001 Acoustics. Reference zero for the calibration of audiometric equipment - Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
Withdrawn
ISO 389-5:2006 specifies reference equivalent threshold sound pressure levels (RETSPLs) of pure tones in the frequency range from 8 kHz to 16 kHz applicable to the calibration of air conduction audiometers for specific earphones.
BS EN ISO 389-5:2001 Acoustics. Reference zero for the calibration of audiometric equipment - Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz