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1–10 • Introduction LDP-8242 User Manual (Iss. 03)
Figure 1.3 Audio Block Diagram
Audio Input Routing/Mixing Function
The input routing function provides gain and mute controls for each input signal. ( Figure 1.3 )
Following these controls, selected inputs can directly exit the input routing function and be
applied to the internal bus, or first be applied to one of four downmixers or flex mixers.
Downmixers
Four independent downmixers (
Downmix-A
thru
Downmix-D
) provides for the selection of any
five embedded, AES discrete, Dolby® decoded, or analog audio sources serving as Left (
L
),
Right (
R
), Center (
C
), Left Surround (
Ls
), and Right Surround (
Rs
) individual signals to be
multiplexed into a stereo pair. The resulting stereo pairs
Downmix-A(L/R)
thru
Downmix-D(L/R)
can in turn be routed and processed just like any of the other audio sources described earlier. See
Figure 1.4 for an example.