Let the reverberation time be 1.5 s for an empty hall and 1.3 s when a curtain cloth of 20 m2 is suspended at the centre of the hall. If the dimensions of the hall are 10mx8mx6m, calculate the coefficient of absorption of the curtain cloth. What area of the empty hall wall should be covered by the similar curtain cloth so as to reduce the reverberation time to 1.1 s?
Let the reverberation time be 1.5 s for an empty hall and 1.3 s when a curtain cloth of 20 m2 is suspended at the centre of the hall. If the dimensions of the hall are 10mx8mx6m, calculate the coefficient of absorption of the curtain cloth. What area of the empty hall wall should be covered by the similar curtain cloth so as to reduce the reverberation time to 1.1 s?
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Transcribed Image Text:Let the reverberation time be 1.5 s for an empty hall and 1.3 s when a curtain cloth of 20 m2 is
suspended at the centre of the hall. If the dimensions of the hall are 10mx8mx6m, calculate the
coefficient of absorption of the curtain cloth. What area of the empty hall wall should be covered
by the similar curtain cloth so as to reduce the reverberation time to 1.1 s?
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