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Bayesian decay time analysis in coupled spaces using a proper decay model

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Acoustically coupled spaces have recently been drawing more and more attention in the architectural acoustics community. Determination of decay times in these coupled spaces from measured Schroeders decay function has become increasingly significant. In architectural acoustics practice, identification of decay times from measurements of room impulse responses in these coupled spaces can often require considerable effort. Recent works [N. Xiang, P. M. Goggans, and D. Li, J. Acoust. Soc. Am. 109, 2283 (2001); P. M. Goggans and N. Xiang, ibid. 109, 2383 (2001); N. Xiang and P. M. Goggans, ibid. 110, 1415–1424 (2001)] have demonstrated that Bayesian parameter estimation and model selection prove to be powerful tools for evaluating decay times in coupled spaces. Following a brief introduction to Bayesian model selection, this paper will discuss further results from decay-time evaluations of measured room impulse responses. Emphasis will be given to the behavior of the decay model selection algorithm.
Title: Bayesian decay time analysis in coupled spaces using a proper decay model
Description:
Acoustically coupled spaces have recently been drawing more and more attention in the architectural acoustics community.
Determination of decay times in these coupled spaces from measured Schroeders decay function has become increasingly significant.
In architectural acoustics practice, identification of decay times from measurements of room impulse responses in these coupled spaces can often require considerable effort.
Recent works [N.
Xiang, P.
M.
Goggans, and D.
Li, J.
Acoust.
Soc.
Am.
109, 2283 (2001); P.
M.
Goggans and N.
Xiang, ibid.
109, 2383 (2001); N.
Xiang and P.
M.
Goggans, ibid.
110, 1415–1424 (2001)] have demonstrated that Bayesian parameter estimation and model selection prove to be powerful tools for evaluating decay times in coupled spaces.
Following a brief introduction to Bayesian model selection, this paper will discuss further results from decay-time evaluations of measured room impulse responses.
Emphasis will be given to the behavior of the decay model selection algorithm.

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