NEN-ISO 226:2023
Current
Current
The latest, up-to-date edition.
Acoustics - Normal equal loudness level contours
Available format(s)
Hardcopy
Language(s)
English
Published date
01-04-2023
Publisher
NEN-ISO 226 specifies combinations of sound pressure levels and frequencies of pure continuous tones which are perceived as equally loud by human listeners.
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