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22 June, 07:43

How do odd-shaped ceilings, decorative panels, draperies, and glass windows affect echo and noise?

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  1. 22 June, 07:50
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    I think they decrease echo and reduce noise, they do this by either absorbing vibrations or by scattering the sound so that echoes arrive at different times rather than reverberating as a standing wave. An echo is a reflection of a sound that arrives at the listener with a delay after the direct sound. The delay is usually proportional to the distance of the reflecting surface from the source and the listener.
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