Science, asked by hanumantasavli, 17 hours ago

in concert hall echo is desirable to some extent

Answers

Answered by princeameta2882007

Explanation:

Reflection of sound from surfaces is called reverberation. Reverberation time in a room is defined as the time it takes the SPL to decrease by 60 dB after the source of sound is shut off. A certain amount of reverberation is desirable, because it makes speech sound alive and natural.

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