In audio signal processing and acoustics, an echo (plural echoes) is a reflection of sound, arriving at the listener some time after the direct sound. Typical examples are the echo produced by the bottom of a well, by a building, or by the walls of an enclosed room and an empty room. A true echo is a single reflection of the sound source. The time delay is the extra distance divided by the speed of sound. Wikipedia, Echo (external link)

See Also

Law of Cycles
Law of Force
Neutral Center
Principle of Regeneration
Velocity of Sound

Page last modified on Monday 23 of January, 2012 03:13:53 MST

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