ISO 226:1987
Withdrawn
View Superseded by
Acoustics — Normal equal-loudness level contours
Hardcopy , PDF
French, English
05-07-1987
04-09-2025
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.
| Committee |
ISO/TC 43
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| AS 3657.1-1989 | Identical |
| UNE 74003:1992 | Identical |
| AS ISO 532.1:2019 | Acoustics - Methods for calculating loudness Zwicker Method |
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