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The effects of simple coupled volume geometry on the objective and subjective results from nonexponential decay
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10.1121/1.1984892
/content/asa/journal/jasa/118/3/10.1121/1.1984892
http://aip.metastore.ingenta.com/content/asa/journal/jasa/118/3/10.1121/1.1984892

Figures

Image of FIG. 1.
FIG. 1.

Plan view of a coupled volume system used in theoretical development.

Image of FIG. 2.
FIG. 2.

Representative energy decay curve of a space exhibiting a double slope profile.

Image of FIG. 3.
FIG. 3.

Representative model configuration: volume ratio 3 and aperture size 10% of available area, with source at coordinates (25, 5, ) and receiver at (5, , 5).

Image of FIG. 4.
FIG. 4.

Coupling coefficient data for all 60 configurations.

Image of FIG. 5.
FIG. 5.

Computer modeled and theoretical decay ratio and data for volume ratio 1.

Image of FIG. 6.
FIG. 6.

Computer modeled and theoretical decay ratio and data for volume ratio 2.

Image of FIG. 7.
FIG. 7.

Computer modeled and theoretical decay ratio and data for volume ratio 3.

Image of FIG. 8.
FIG. 8.

Four examples of double slope decay outlines showing different combinations of decay ratio and .

Image of FIG. 9.
FIG. 9.

Statistically estimated means of subjective ratings for perceived reverberance.

Image of FIG. 10.
FIG. 10.

Statistically estimated means of subjective ratings for perceived clarity.

Image of FIG. 11.
FIG. 11.

Objective early decay time (EDT) values for the subset of configurations used in subjective testing.

Image of FIG. 12.
FIG. 12.

Objective clarity values for the subset of configurations used in subjective testing.

Tables

Generic image for table
TABLE I.

Dimensions of main and coupled volumes with volume ratio percentage values used in computer model configurations.

Generic image for table
TABLE II.

Absorption ratio values used in computer model configurations.

Generic image for table
TABLE III.

Aperture opening size as a percentage of available surface area used in computer model configurations.

Generic image for table
TABLE IV.

Computer modeled decay ratio and data, and statistically estimated perceived reverberation data for volume ratio 3 and five aperture opening size percentages.

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/content/asa/journal/jasa/118/3/10.1121/1.1984892
2005-09-01
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effects of simple coupled volume geometry on the objective and subjective results from nonexponential decay
http://aip.metastore.ingenta.com/content/asa/journal/jasa/118/3/10.1121/1.1984892
10.1121/1.1984892
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