Question

roofs and walls of the auditoriums are generally coverd with sound absorbing materials why?

Answer 1

The roof and walls of the auditorium are generally covered with sound absorbent materials to reduce reverberation. These materials reduce the formation of echoes by absorbing sound waves.

Answer 2

Because in the auditorium there is abig crowd of people and a lot of noise is produce. So the people who are not in the auditorium do not get disturb by the noise of the crowd.