Published
ISO 389-6:2007 specifies reference hearing threshold levels for tests signals of short duration applicable to the calibration of audiometric equipment where such signals are used.
PUBLISHED
ISO 389-6:2007
90.20
Standard under periodical review
Jan 15, 2026
Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing for test signals of short duration (ISO 389-6:2007)
60.60 Standard published
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