Published
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.
WITHDRAWN
ISO/TR 389-5:1998
PUBLISHED
ISO 389-5:2006
90.60
Close of review
Sep 3, 2025
Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO 389-5:2006)
90.93 Standard confirmed