A sound is called reverberation if :
- It is reflected after less than 0.1 second
- It is reflected after less than 2 second
- It is reflected after less than 20 Hz
- None
Explanation
Reverberation is the persistence of sound after it has been stopped due to multiple reflections from surfaces such as furniture, people, air, etc., within a closed surface
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RY 23-12-2022
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