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ISO
ISO 226:1987

ISO 226:1987

Acoustics — Normal equal-loudness level contours

General Information

Status : Withdrawn

Standard Type : Main

Document No :

ISO 226:1987

Document Year : 1987

Pages : 8

Edition : 1

Section Volume : Acoustics (ISO/TC 43.)

ICS : Noise with respect to human beings (13.140)

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

ISO 226:2023

REVISED BY