Output Mix Matrix
The DSP architecture contains an output mix matrix that connects all inputs to the line
outputs, a virtual send mix matrix that connects all inputs to the virtual outputs, and
an expansion (EXP) output mix matrix that connects the mic/line inputs and virtual bus
returns to the expansion outputs (see figure 41 on the next page).
The output mix matrix sets mix levels from the post processing inputs and post
processing virtual returns, to each line output bus. The mix-point behavior is shown on
page 73.
Each mic/line input and virtual bus return is connected to a mix-point for each of the eight
line outputs. In general, mix levels are set relative to each other, achieving a desired blend
of input signals at an optimal output level, close to, but not exceeding 0dBFS at the line
output volume block level meter (while accounting for processing that may occur in the
line output signal chain).
NOTE: Although the virtual Output and return lines, A through H, are shown as
end points on the DSPConfigurator screen, they are connected A to A, B to B,
CtoC, D to D, E to E, F to F, G to G and H to H. These connections cannot be
changed.
DMP128 • Software Control 69
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