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ISO 389-3:1994

Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators

95.99 Withdrawal of Standard   Jan 4, 2016

General information

95.99     Jan 4, 2016

ISO

ISO/TC 43

International Standard

13.140  

Scope

Specifies the following data applicable to the calibration of bone vibrators for pure-tone bone-conduction audiometry: reference equivalent threshold force levels (RETFL), corresponding to the threshold of hearing of young otologically normal persons by bone-conduction audiometry; essential characteristics of the bone vibrator and of its method of coupling to a person under test and to the mechanical coupler; essential characteristics and datum level of the masking noise applied to the ear not under test.

Life cycle

PREVIOUSLY

Revises
ISO 7566:1987

NOW

WITHDRAWN
ISO 389-3:1994
95.99 Withdrawal of Standard
Jan 4, 2016

CORRIGENDA / AMENDMENTS

Corrected by
ISO 389-3:1994/Cor 1:1995

REVISED BY

PUBLISHED
ISO 389-3:2016

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