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SCART2 Output (EU) or Monitor Output (LA/NA/AP) assigned to Headphone
•
Output .
Constant Level Output assigned to Loudspeaker Output .
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Video Source Selection
Video source selection is done inside the Hercules. Therefore it provides a video switch
with 3 external CVBS inputs and a CVBS output. All CVBS inputs can be used as Y-
input for Y/C signals. However, only 2 Y/C sources can be selected because the circuit
has 2 chroma inputs.
All input signals are converted to YUV, and looped through an external interface. This to
enable picture improvement features (like LTI/CTI) or PIP.
Video Processing
The Video Processor is basically the Hercules and the TDA9178 (CTI/LTI). Video
processing is done in these two chips such as the Brightness Control, Contrast Control
and so on.
Some features:
Full YUV-loop interface (alternative functions: DVD, RGB or Y/C).
•
Internal OSD insertion (not Saturation or Contrast controlled).
•
Double window implementation.
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Linear / non linear scaling for 16:9 sets.
•
Tint (hue) on UV signals (including DVD).
•
Peaking, Coring, Black \ Blue \ White-stretch.
•
Transfer-Ratio and Scavem (also on TXT).
•
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