Question

Define reverberation and reverberation time

Answer 1

reverberation is the phenomenon of overlapping of sound caused by multiple reflections.reverberation causes the overlapping of several reflected waves. If the time gap between the reflected waves is so short that these cannot be distinguished. So we hear multiple noisy sounds.
Reverberation time is defined as the length of time required for sound to decay 60 decibels from its initial level. Classrooms should have reverberation times in the range of 0.4-0.6 seconds, but many existing classrooms have reverberation times of 1 second or more.

Answer 2

reverberation = the persistence of sound in an avditoro is the result of repeated reflection of sound and is called reverberation