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Perception of modal distribution metrics in critical listening spaces - Dependence on room aspect ratios

Fazenda, BM, Avis, MR and Davies, WJ 2005, 'Perception of modal distribution metrics in critical listening spaces - Dependence on room aspect ratios' , Journal of the Audio Engineering Society, 53 (12) , pp. 1128-1141.

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Abstract

The subjective significance of two general types of metrics used to describe the "quality" of a room based on its aspect ratio are compared. Tests were carried out to evaluate differences between three virtual rooms that score extreme classifications in each of the metrics. The results of the tests indicate that room aspect ratios do have sonic effect on the perception of the modal distribution, but the effect is very much dependent on the frequency content of' the original signal. This indicates that a room that scores well using a certain metric may still suffer from problems if the frequency content of the driving signal matches one particularly strong modal artifact. More significantly, the results of these tests imply that attempts to rank critical listening spaces based on modal distribution metrics are likely to be highly misleading and the derivation of difference limen, which would be required for useful comparison. has been shown in practice to be highly problematic and perhaps meaningless.

Item Type: Article
Additional Information: Times Cited: 0 Article English Cited References Count: 19 007jy
Uncontrolled Keywords: low-frequencies modes
Themes: Subjects / Themes > Q Science > QC Physics > QC221-246 Acoustics - Sound
Subjects / Themes > T Technology > TA Engineering (General). Civil engineering (General)
Built and Human Environment
Subjects outside of the University Themes
Schools: Colleges and Schools > College of Science & Technology
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering
Colleges and Schools > College of Science & Technology > School of Computing, Science and Engineering > Acoustics Research Centre
Journal or Publication Title: Journal of the Audio Engineering Society
Publisher: Audio Engineering Society Inc
Refereed: Yes
ISSN: 0004-7554
Depositing User: Dr W. J. Davies
Date Deposited: 25 Jun 2010 10:58
Last Modified: 20 Aug 2013 17:01
URI: http://usir.salford.ac.uk/id/eprint/2455

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