BS ISO 389-4 : 1994 AMD 10484

Name: BS ISO 389-4 : 1994 AMD 10484
Brand: BSI

Superseded

View Superseded by

ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - REFERENCE LEVELS FOR NARROWBAND MASKING NOISE

Superseded date

15-07-1999

Published date

23-11-2012

Publisher

British Standards Institution

NO CONTENTS SECTION

Specifies four reference levels for narrow band masking noise presented by air construction from an earphone in pure tone audiometry. Also gives detailed definitions and annexes. BS AMD 10484 RENUMBERS STD

Committee	EPC/1
DevelopmentNote	Renumbered and superseded by BS EN ISO 389-4. Supersedes BS 7113(1989) and 86/53942 DC. (10/2005)
DocumentType	Standard
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN ISO 389-4:1999
Supersedes	BS 7113:1989

Standards	Relationship
ISO 389-4:1994	Identical

ISO 389:1991	Acoustics Standard reference zero for the calibration of pure-tone air conduction audiometers
IEC 60126:1973	IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts
IEC 60711:1981	Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts
IEC 60318:1970	An IEC artificial ear, of the wide band type, for the calibration of earphones used in audiometry
ISO 389-2:1994	Acoustics Reference zero for the calibration of audiometric equipment Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones