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acous'tic feed'back



Electronics.
(in an audio system, esp. a public-address system) the feedback of sound from a loudspeaker to a microphone, often resulting in a whistling noise caused by electrical oscillations. Also called feedback.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

acoustic featureacoustic guitar

 

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