Define an echo.Write diference between echo and reverbaration.
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Echo - A repetition of sound produced by the reflection of sound waves by a reflecting surface is called an echo.
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In audio signal processing and acoustics, echo is a reflection of sound that arrives at the listener with a delay after the direct sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener.
What is difference between echo and reverberation?
Reverberation is the persistence of sound after the sound source has been stopped. It results from a large number of reflected waves which can be perceived by the brain as a continuous sound. On the other hand, an echo occurs when a pulse of sound can be heard twice.
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