This standard specifies reference equivalent threshold sound pressure levels (RETSLs) of pure tones in the frequency range from 8 kHz to 16 kHz, applicable to calibration of air conduction audiometers for specific earphones.
Number of pages: 16
Date of approval: 1999-12-23
Date of withdrawal: 2006-12-06
EN ISO 389-5:1999 IDTISO/TR 389-5:1998 IDT