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Threshold of hearing

Threshold of hearing is the sound pressure level SPL of 20 µPa (micropascals) = 2 × 10-5 pascal (Pa). This low threshold of amplitude (strength or sound pressure level) is frequency dependent. See the frequency curve at absolute threshold of hearing.

See also

Last updated: 08-23-2005 08:47:43
Last updated: 01-04-2007 01:18:57
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