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The Gain effect controls color saturation. Increasing
the Gain causes the video signal colors to become
increasingly saturated and vivid. Decreasing the Gain
decreases the saturation until the image is black and
white.
The Spill effect allows you to handle chroma key spill
where the background color (the color being
removed) spills onto the key object.
To adjust the Edge, Shadow, Gain, and Spill:
1.
Select the key you wish to modify (ensure it is set
as a Chroma Key).
2.
Press
NEXT
until
Edge
is displayed.
3.
Adjust the
Edge
value by rotating the
corresponding knob until the desired effect is
achieved.
4.
Press
NEXT
.
5.
Adjust the
Shadow
,
Gain
,
SPClip
, or
SpRjct
,
value by rotating the corresponding knob until
the desired effect is achieved.
For More Information on...
• selecting keys, refer to the section “Selecting
Keys” on page 26.
• setting the Chroma Key share mode, refer to the
section “Resource Sharing” on page 17.
Modifying DVE Keys
You can control aspects of DVE keys using the
DVE
Key
menu. The following effects can be modified:
• Screen Position
• Scale
• Aspect Ratio
• Borders
• Cropping
To position a DVE Key on the screen:
1.
Select the key you wish to modify (ensure it is set
as a DVE Key).
2.
Use the
X Pos
knob or the positioner to control
the horizontal location of the key image.
3.
Use the
Y Pos
knob or the positioner to control
the Vertical location of the key image.
To change other DVE Key modifiers:
1.
Select the key you wish to modify (ensure it is set
as a DVE Key).
2.
Press
NEXT
to cycle through the available
modifiers.
3.
Use the
Size
knob to scale the image. Larger
values produce a larger image while smaller
values produce a smaller image.
4.
Use the
Aspect
knob to change the aspect ratio
of the image. Larger values stretch the image
vertically while smaller values stretch the image
horizontally.
5.
Uset the
Border
knob to adjust the size of the
border. A value of 0.0% removes the border.
6.
Use the
Soft
knob to adjust the border softness.
If the Border size is set to 0.0%, the edges of the
key image are softened. Larger values produce a
softer border while smaller values produce
harder edged borders edges.
7.
Set the border color (only available if you set the
Border Size greater than 0.0%) as follows:
• Use the
Load
knob to select a preset color.
Press the
Load
knob to load the color.
• Use the
BHue
,
BSat
, and
BLum
knobs until
the desired color is achieved.
8.
Press the
HCrop
knob to change the horizontal
cropping behavior. You can choose from the
following:
•
HCrop
— Use the
HCrop
knob to crop the
image from both the left and right sides.
•
Left/R
— Use the
Left/R
knob to crop the
image from the left side.
•
L/Rght
— Use the
L/Rght
knob to crop the
image from the right side.
9.
Press the
VCrop
knob to change the vertical
cropping behavior. You can choose from the
following:
•
VCrop
— Use the
VCrop
knob to crop the
image from both the top and bottom.
•
Top/B
— Use the
Top/B
knob to crop the
image from the top.
•
T/Bttm
— Use the
T/Bttm
knob to crop the
image from the bottom.
Split Keys
A Split key allows you to assign a different alpha
source for a key than the fill/alpha associations that
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