62 KARRERA — User Manual
Section 3 — Video Mix/Effects
3. Adjust the secondary Angle so that changing secondary Chroma
suppression moves the color in the desired direction. You are trying to
match the color of the translucent areas to an opaque (uncorrupted)
area of the foreground subject.
4. Decrease secondary Chroma suppression for the best match between
corrupted (translucent) and uncorrupted (opaque) areas. Interaction
between secondary suppression Angle and Chroma suppression may
require repeating these adjustments.
5. Increase secondary Luma suppression to balance lightness of the
translucent and opaque areas.
6. Repeat secondary suppression Angle, Chroma suppression and Luma
suppression for best results.
Extra Chroma Key Controls
Additional chroma key controls are available by touching the stage 4 Extra
data pad (
Figure 25). Coring, fringe, and shadow controls can be individu-
ally activated by touching the labeled buttons.
Figure 25. Extra Controls
Coring replaces any pixels in the luminance signal after primary suppression
that are below the adjustable threshold with black. This eliminates noise
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