BS 7113:1989

$86.31

Specification for reference levels for narrow-band masking noise

Published By	Publication Date	Number of Pages
BSI	1989	12

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Description

Reference levels for calibration of narrow-band masking noise presented by air conduction from an earphone in pure tone audiometry. Data are given for noise bandwidths of one-third and one-half octaves.

Additional information

Status	Withdrawn
Title	Specification for reference levels for narrow-band masking noise
Publisher	BSI
Committee	EH/1
Pages	12
Publication Date	1989-09-29
Withdrawn Date	1995-03-15
Replaced By	BS EN ISO 389-4:1999
ISBN	0 580 17223 6
Standard Number	BS 7113:1989, EN 28798:1991, ISO 8798:1987
Identical National Standard Of	EN 28798:1991, ISO 8798:1987
Descriptors	Audibility, Testing conditions, Audiofrequencies, Hearing (auditory perception), Audiology, Acoustic signals, Volume (sound), Bandwidths, Equal loudness level, Sound intensity, Mathematical calculations, Audiometry, Auditory threshold, Calibration, Acoustic measurement, Frequencies
ICS Codes	13.140 - Noise with respect to human beings

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BS 7113:1989

$86.31


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