UNE-EN ISO 389-7:2021
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 , PDF
Language(s)
Spanish, Castilian, English
Published date
20-01-2021
Publisher
This document specifies a reference threshold of hearing for the calibration of audiometric equipment used under the following conditions.
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