7800 MultiFrame Manual
7812DCDA2Q-HD (-AA, –AES4) Dual Path HDTV Down-converter
Page 32 Revision 1.0
7.3. CONFIGURING THE AUDIO PROC CONTROL TABS
For the sake of brevity, only Audio Proc Ch1-Ch4 control tab will be discussed in this manual. Control tabs
for Audio Proc Ch5-Ch8, Audio Proc Ch9-Ch12 and Audio Proc Ch13-16 are identical in their operation.
Again, for the sake of brevity, only the controls for Channel 1 will be described in detail, as the controls for
Channel 2, Channel 3 and Channel 4 operate in an identical fashion.
Each output channel of audio has a two input X-Y mixers that allow full audio proc including channel
swapping, gain control, and inversion control. These two inputs (X and Y) are then summed together to
generate the final outgoing audio channel from the card. This X-Y mixer can be used for performing such
functions as mono-mixes between specific channels or mixing in audio voice-overs.
Figure 7-18: Audio Proc Ch1-Ch4
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