Question

pls explain echo and reverberation wid other example..

Answer 1

echo. An echo is a sound which is caused by a noise being reflected off a surface such as a wall. If a sound echoes, it is reflected off a surface and can be heard again after the original sound has stopped.

Reverberation is the collection of reflected sounds from the surfaces in an enclosure like an auditorium. It is a desirable property of auditoriums to the extent that it helps to overcome the inverse square law dropoff of sound intensity in the enclosure.