NF EN ISO 389-7:2019
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
Available format(s)
Hardcopy
Language(s)
English - French
Published date
01-11-2019
Publisher
This document specifies a reference threshold of hearing for the calibration of audiometric equipment used under the following conditions.
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