ISO 389-2:1994Published

Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones

Acoustique — Zéro de référence pour l'étalonnage d'équipements audiométriques — Partie 2: Niveaux de référence équivalents de pression acoustique liminaire pour les écouteurs à sons purs et à insertion

Abstract / scope

Specifies levels supplementary to those specified in ISO 389:1991 (to be re-issued as ISO 389-1). Values given are applicable to insert earphones of type Etymotic Research ER-3A, coupled to the human ear by ear inserts of type ER-3-14.

Life cycle

Replaced by

ISO/PWI 389-2Deleted (project abandoned)Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphonesInternational Standard · ISO/TC 43