This paper discusses what modal decay is, the effect of diffusors on room mode decay using a simple theoretical model, and the implications of this model on their bandwidth and decay. The theory indicates that the decay rate increases and gives a relationship between this and the diffuser order. Measurements supporting the simulated results are also presented.

Authors: Angus, James A.; Marvin, A. C.; Clegg, J.; Dawson, J. F.; Knobloch, A.
Affiliation: University of York, York, UK
AES Convention: 99 (October 1995) Paper Number: 4116
Publication Date: October 1, 1995
Subject: Acoustic Diffusion

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