Threshold of hearing
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3-1-200
Alternative term: Threshold of audibility
The minimum r.m.s. sound pressure level of a pure sound which excites the sensation of hearing under specified conditions and at a specified frequency.
Note: 1 The term "Threshold of hearing" is also used to deNote: the level of the least r.m.s. value of the sound pressure of a complex sound which excites the sensation of hearing.
Note: 2 This threshold is usually determined under conditions of negligible ambient noise, but may be determined under other specified conditions.
Reference: C.E.F.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
