NF EN ISO 389-9 : 2009
Current
Current
The latest, up-to-date edition.
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 9: PREFERRED TEST CONDITIONS FOR THE DETERMINATION OF REFERENCE HEARING THRESHOLD LEVELS
Published date
12-01-2013
Publisher
La présente partie de l'ISO 389 spécifie les conditions d'essai de détermination des seuils d'audition de sujets, pour les besoins de l'établissement de valeurs normalisées des niveaux liminaires d'audition de référence.
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