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UNI EN ISO 389-4 : 1999

Current
Current

The latest, up-to-date edition.

ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE
Published date

31-05-1999

Defines reference levels for narrow-band masking noise presented by air conduction from an earphone in pure-tone audiometry.

Committee
CT 2
DevelopmentNote
Replaces UNI EN 28798
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current
Supersedes

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