Why the walls of marriage palaces and movie theatres can't be heard ou

1.	Why the walls of marriage palaces and movie theatres can't be heard outside the hall
Answer» The ROOF and the walls of an auditorium or cinema hall are generally COVERED with sound-absorbent MATERIALS LIKE draperies or COMPRESSED fiberboard to reduce the effect of reverberation. These materials reduce the formation of echoes by absorbing the sound waves

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Why the walls of marriage palaces and movie theatres can't be heard outside the hall​

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Why the walls of marriage palaces and movie theatres can't be heard outside the hall