DS DS/EN ISO 389-7
DS DSEN SO 389-7 2005-NOV-22 Acoustcs - Reference zero for the calbraton of audometrc equpment - Part 7 Reference threshold of hearng under free-feld and dffuse-feld lstenng condtons
DS DSEN SO 389-7 2005-NOV-22 Acoustcs - Reference zero for the calbraton of audometrc equpment - Part 7 Reference threshold of hearng under free-feld and dffuse-feld lstenng condtons
This standard specifies the reference zero for the calibration of audiometric equipment used for sound field audiometry.