ÖNORM EN ISO 389-7:2020 05 15
Current
Current
The latest, up-to-date edition.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)
Available format(s)
Hardcopy
Language(s)
German - English
Published date
15-05-2020
used under the following conditions. a) The sound field in the absence of the listener consists of either a free progressive plane wave (free field) or a diffuse sound field, as specified in ISO 8253-2.
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