Question

why the celling and wall of the auditorium and hall are covered with sound absorbing material​

Answer 1

Explanation:

• The roof and walls of the auditorium or cinema hall are generally covered with sound absorbent materials like draperies or compressed fibreboard to reduce reverberation. These materials reduce the formation of echoes by absorbing sound waves.

Answer 2

Answer:

It is because these materials reduce the formation of echoes by absorbing sound waves.