ISO 389:1994
ISO 389:1994 Acoustics – Reference zero for the calibration of audiometric equipment – Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
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Description
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.
Edition
1
Published Date
1994-07-07
Status
PUBLISHED
Pages
7
Language
English
Format
Secure PDF
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Abstract
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.
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