ISO 226
Acoustics - Normal Equal-Loudness Level Contours
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| Organization: | ISO |
| Publication Date: | 1 January 1987 |
| Status: | inactive |
| Page Count: | 11 |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
March 1, 2023
Acoustics — Normal equal-loudness-level contours
This document specifies combinations of sound pressure levels and frequencies of pure continuous tones which are perceived as equally loud by human listeners. The specifications are based on the...
August 15, 2003
Acoustics Normal equal-loudness-level contours
This International Standard specifies combinations of sound pressure levels and frequencies of pure continuous tones which are perceived as equally loud by human listeners. The specifications are...
ISO 226
January 1, 1987
Acoustics - Normal Equal-Loudness Level Contours
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