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ISO 389-7:1996

Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions

Publication date:   Dec 26, 1996

95.99 Withdrawal of Standard   Nov 3, 2005

General information

95.99 Withdrawal of Standard   Nov 3, 2005

ISO

ISO/TC 43 Acoustics

International Standard

13.140   Noise with respect to human beings

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Scope

Specifies a reference threshold of hearing for the calibration of audiometric equipment used under definite conditions. The listeners are otologically normal persons in the age from 18 to 25 years inclusive. The data are given in numerical form for the preferred frequencies in the one-third-octave series from 20 Hz to 16 000 Hz in accordance with ISO 266.

Life cycle

NOW

WITHDRAWN
ISO 389-7:1996
95.99 Withdrawal of Standard
Nov 3, 2005

REVISED BY

WITHDRAWN
ISO 389-7:2005