BS EN ISO 389-4:1999 | British Standards

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Acoustics. Reference zero for the calibration of audiometric equipment Reference levels for narrow-band masking noise

BS EN ISO 389-4:1999

Acoustics. Reference zero for the calibration of audiometric equipment Reference levels for narrow-band masking noise

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ISBN: 0580235998

Keywords:
Acoustic signals, Audiometry, Bandwidths, Acoustic measurement, Frequencies, Audiofrequencies, Hearing (auditory perception), Audibility, Auditory threshold, PDF

Publication Date	15 Jul 1999
Product SKU	30005629
ISBN	0580235998
BSI Code	BS EN ISO 389-4:1999
No. of pages	16
Replaces	BS 7113:1989
Amends	BS ISO 389-4:1994
Publisher	British Standards Institution

Identical National Standard to:

EN ISO 389-4:1998
ISO 389-4:1994

BS EN ISO 389-4:1999 | British Standards

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