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Where and why are sound absorbing materials used?

Last updated date: 05th Mar 2024
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IVSAT 2024
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Hint: In order to solve this question, we are first going to define what the sound absorbing materials are, then the uses of the sound absorbers are explained as to why and where they are generally used. After that the examples for the sound absorbing materials are given.

Complete step-by-step solution:
Sound absorption is the phenomenon of the loss of sound energy when the sound waves come into contact with a material known as the absorbent such as ceilings, walls, floors and other objects, as a result of which, the sound is not reflected back into the space.
The sound absorbing materials are used on the roofs and walls of the auditoriums, concert, halls, theatres, etc. the surfaces on the top and the bottom of these rooms or halls are also constructed of sound absorbing materials. In these types of places, the excessive sound, its prolongation or resonance is highly undesirable hence, due to the presence of these sound absorbing materials, the sound which is reflected from the rigid surfaces is absorbed by these materials and hence, the reverberation is avoided to a large extent.
The different types of the sound absorbing materials are porous absorbers, resonate absorbers, acoustic foam panels, etc.

Note: It is important to note that acoustic absorption is the process by which sound energy is dissipated and transformed into another form of energy: heat, mechanical, or deformation. There are three primary types of sound absorbers: porous, membrane, and resonance.
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