A representative decay outline exhibiting a double slope, where is shown by the solid line and by the dashed line.
(a) Plan view, (b) cross section, and (c) transverse cross section of the virtual hall with the secondary volume shaded in light gray and aperture doors in dark gray. Source position (s) is designated with a circle and receivers (R1–R3) are marked by squares.
T30/T15 and LDT/T10 data for the 25 virtual hall configurations
Plot of energy decay curves for absorption ratio 0.04 across seven aperture sizes.
Decay ratio and data for the 25 virtual hall configurations. Decay ratio equals 1 and equals 0 when only one slope has been detected by the Bayesian analysis.
A plot of number of dimensions versus stress. The stress value for dimension 1 is below 0.15, with a small amount of change in stress as number of dimensions is increased, indicating dimension 1 is the correct dimension.
Plot of relative subjective preference versus LDT/T10 data with a second-order polynomial trendline and correlation value. Higher subjective preference values indicate greater preference by listeners.
Plot of LDT/T10 data versus relative MDS preference values for 17 configurations of virtual hall. Higher subjective preference values indicate greater preference by listeners.
Recommended design guideline flow charts for coupled volume concert halls with (a) large volume ratio, (b) medium volume ratio, and (c) small volume ratio.
Architectural parameters and calculated volume ratio of the complex coupled volume system concert hall.
Four levels of absorption ratio used in the virtual hall configurations.
Seven levels of aperture size used in the virtual hall configurations.
Source and receiver coordinates for complex coupled volume system computer model configurations.
Architectural parameter values of the 17 configurations used in the subjective testing with corresponding alpha-numeric labeling system.
Four levels of preference with the corresponding virtual hall configurations and architectural parameters
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