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Norm
ISO 226:1987
Issue date: 1987 05 07
Acoustics — Normal equal-loudness level contours
Specifies the relations existing between the sound pressure levels and frequencies of pure sinusoidal continuous tones in several conditions. These relations are expresse...
Withdrawn: 2003 08 21
Publisher:
International Organization for Standardization
Format:
Digital | 8 Pages
Language:
English
Currently valid:
ICS
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.
ISO/R 226:1961
1961 12 01
Normal equal-loudness contours for pure tones and normal threshold of hearing under free field liste...
Technische Regel
