Loudness level: Difference between revisions
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Alternative term: Equivalent loudness | Alternative term: Equivalent loudness | ||
Latest revision as of 09:12, 17 September 2026
Alternative term: Equivalent loudness
The loudness level of a sound is the sound pressure level of a standard pure tone (1000 Hz) which, according to the median value of judgements of normal observers, is assessed as being equally loud with the sound.
Note: The unit of loudness level is the Phon.
Reference: C.E.F.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
