Reverberation of Sound

Last updated at April 16, 2024 by Teachoo

It is the Persistence of Sound due to Repeated Reflection of Sound

Reflected Sound prolongs the original sound

Hence,Reflected sound becomes part of Original sound and we cannot distinguish between actual and original sound like in echo

Reverberation happens when time period between Original and Reflected Sound is less than 0.1 seconds

What is Difference Between Echo and Reverberation of Sound

Echo of Sound	Reverberation of Sound
It is Repetition of Sound	It is Persistence of Sound
Original and Reflected Sound can be heard clearly	Reflected Sound becomes part of Original Sound, it prolongs the original sound
There should be atleast 0.1 second time difference for our human ear to hear 2 distinct voices OR ECHO	There is usually a gap of lees than 0.1 seconds

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This is done by sound absorbing materials

Example

Heavy curtains are used on walls

Carpets are put to absorb sound

Seats are made of sound absorbing material

Soundproofing panels are put on walls to absorb sound

NCERT Question 15 - What is reverberation? How can it be reduced?