The variance of the discrete frequency transmission function of a reverberant room

Davy, J 2009, 'The variance of the discrete frequency transmission function of a reverberant room', Journal of the Acoustical Society of America, vol. 126, no. 3, pp. 1199-1206.


Document type: Journal Article
Collection: Journal Articles

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Title The variance of the discrete frequency transmission function of a reverberant room
Author(s) Davy, J
Year 2009
Journal name Journal of the Acoustical Society of America
Volume number 126
Issue number 3
Start page 1199
End page 1206
Total pages 7
Publisher Acoustical Society of America
Abstract This paper first shows experimentally that the distribution of modal spacings in a reverberation room is well modeled by the Rayleigh or Wigner distribution. Since the Rayleigh or Wigner distribution is a good approximation to the Gaussian orthogonal ensemble (GOE) distribution, this paper confirms the current wisdom that the GOE distribution is a good model for the distribution of modal spacings. Next this paper gives the technical arguments that the author used successfully to support the pragmatic arguments of Baade and the Air-conditioning and Refrigeration Institute of USA for retention of the pure tone qualification procedure and to modify a constant in the International Standard ISO 3741:1999(E) for measurement of sound power in a reverberation room.
Subject Acoustics and Acoustical Devices; Waves
DOI - identifier 10.1121/1.3184568
Copyright notice ©2009 Acoustical Society of America
ISSN 0001-4966
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