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Spill suppression
After setting proper matte the next step is a process called spill suppression. The slider which is used mostly on this
step is DeSpill Coarse.
Below 500 it will only affect the parts where colour has similar tone as background colour (greenish or bluish).
Over 500 it starts slowly to affect more and more parts where background colour is not dominant anymore. The good
rule is to move this value up until it does not affect other colours where spill suppression didn't occur.
DeSpill Color slider decides the tone of background colour removal.
Lower values will decrease background dominant colour from a foreground object.
Higher values will add some colours different from a background colour.
What it also means is that with high DeSpill Power it can also makes edges and other parts close to background
colour darker or brighter depending if DeSpill Color will be lower or higher than 500 value.
Despill fine helps to remove rest of the spill which was not removed with Despill Coarse. Its default value is 500.
Edge Brightness
There is also control which affects only on edges and any other semi-transparent parts of the picture. The Edge
Brightness slider affects directly and only on brightness of semi-transparent picture parts like anchor's edge.
It's neutral position is 500 which means that there is no additional brightening or darkening of edges. Moving down
darkens and moving up brightens edges.
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