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ISO 226:1987

Acoustics — Normal equal-loudness level contours ISO 226:1987

Publication date:   May 7, 1987

95.99 Withdrawal of Standard   Aug 21, 2003

General information

95.99 Withdrawal of Standard   Aug 21, 2003

ISO

ISO/TC 43 Acoustics

International Standard

13.140   Noise with respect to human beings

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Scope

Specifies the relations existing between the sound pressure levels and frequencies of pure sinusoidal continuous tones in several conditions. These relations are expressed as curves and represent a fundamental property of the human auditory system.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 226:1961

NOW

WITHDRAWN
ISO 226:1987
95.99 Withdrawal of Standard
Aug 21, 2003

REVISED BY

ABANDON
ISO/WD 226

WITHDRAWN
ISO 226:2003