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Meaning of psychoacoustics

psy•cho•a•cous•tics

Pronunciation: (sī"kō-u-k'stiks or, esp. Brit., -u-kou'-), [key]
— n. (used with a sing. v.)
  1. the study of sound perception.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.