DS DS/EN ISO 389-6
DS DSEN SO 389-6 2007-JUL-27 Acoustcs - Reference zero for the calbraton of audometrc equpment - Part 6 Reference threshold of hearng for test sgnals of short duraton
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This part of ISO 389 specifies reference hearing threshold levels for tests signals of short duration applicable to the calibration of audiometric equipment where such signals are used.
NOTE 1 Some notes on different parameters and their effects on threshold levels are given in Annex A.
NOTE 2 Preferred test conditions for determining hearing thresholds for standardization are specified in ISO 389-9.
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