L-Acoustics V-DOSC, Operator'S Manual

Page: 69 / 158

L-ACOUSTICS V-DOSC Manual Version 4 6/29/2005 Page 69 of 158
Optimization Procedure
After entering all input data (as described above), press the SCALING button to display the defined
audience geometry and vertical coverage of the system. The cutview display shows the intersection of
individual V-DOSC enclosure site angles with the audience (square blocks = site angle impacts) and
represents the dispersion of SPL over the audience. In accordance with WST Condition #4, the best
results are achieved when enclosure site angle impacts have equal spacing between them. In this case,
the SPL decreases by 3 dB when doubling the distance (see Figure 47 for details).
Figure 47 (a): Cutview showing non-constant enclosure site angle impact spacing for an 8 enclosure constant
curvature V-DOSC array (3 degrees between all enclosures)
Figure 47 (b): Cutview showing constant enclosure site angle impact spacing for an 8 enclosure variable
curvature V-DOSC array (interenclosure angles = 0.75, 0.75, 0.75, 1.3, 2, 3, 5 degrees)
Figure 47 (c): Plan view representation of non-constant (a) versus constant spacing (b) arrays
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