There is increasing interest in partially absorbing surface treatments that also diffuse reflected energy. This can be achieved by using a complex array of reflective and absorbent patches. This paper discusses optimization strategies to enable the pattern of absorptive and reflective patches to be designed to achieve a specified absorption value. It also shows how the use of non-flat surfaces can improve the diffusing properties significantly.

Authors: Cox, Trevor J.; D'Antonio, Peter
Affiliations: University of Salford, Salford, UK ; RPG Diffusor Systems, Inc., Upper Marlboro, MD(See document for exact affiliation information.)
AES Convention: 107 (September 1999) Paper Number: 5062
Publication Date: September 1, 1999
Subject: Room Acoustics

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