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SRPS EN ISO 389-4:2012

Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994)

Jan 30, 2012

General information

90.93     Dec 1, 2005

90.00    Dec 1, 2010

ISS

Z043

European Norm

13.140  

English  

From plan 2011

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Scope

Specifies reference levels for narrow-band masking noise presented by air conduction from an earphone in pure-tone audiometry. The data are given in terms of levels to be added to the reference equivalent threshold sound pressure levels for the corresponding pure-tone frequencies. Data are given for noise bandwidths of one-third and one-half octaves.

Life cycle

NOW

PUBLISHED
SRPS EN ISO 389-4:2012
90.93 Standard confirmed
Dec 1, 2005

Related project

Adopted from EN ISO 389-4:1998

Adopted from ISO 389-4:1994 IDENTICAL