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Glossary Acustics / Term

Absorption coefficient

A measure of the sound-absorbing ability of a surface. It is defined as the fraction of incident sound energy absorbed or otherwise not reflected by a surface. The value of the absorption coefficient varies in the range from about 0.01 for marble to 1.0 for a room covered in foam sound wedges.

Permanent link Absorption coefficient - Creation date 2021-04-13


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