234 Encore Presentation System • User’s Guide
5. Menu Orientation
DSK Menus
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The DSK Adjustment Menu provides the tools necessary to adjust the DSK (Downstream
Key. To access the menu:
• Press DSK in the Layer Control Section.
The available
DSK Adjustment Menu functions change, depending upon the selected
“
Key Type.”
• When Luma is selected, you can perform a luminance DSK. Refer to the “DSK
Luma Key Functions” section on page 234 for details.
• When Color is selected, you can perform a color DSK. Refer to the “DSK Color
Key Functions” section on page 235 for details.
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A Luma (luminance) key is one in which the hole-cutting information is derived from the
luminance (brightness) level of the key source. The figure below illustrates the
DSK
Adjustment Menu
when Luma key is selected:
Figure 5-83. DSK Adjustment Menu — Luma (sample)
The following DSK Adjustment Menu functions are provided when Luma is selected as
the DSK type:
• Key Type — displays the currently selected DSK type.
• Destination — displays the currently selected destination (if a single destination
is selected) or enables you to select a destination (if multiple destinations are
enabled).
• ID — displays the ID of the selected destination’s associated Video Processor.
• Invert Mode — inverts the DSK signal.
• Clip — adjusts the threshold of the video that “cuts” into the background image. A
hole will be cut into the background anywhere that foreground luminance is
greater than the clip level. The hole is then filled with the
Fill Source.
~ Adjustment range: 0 to 1023
Destination [ 1 ]
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DSK ADJUSTMENT
INPUT
SETUP
Key Type Luma
ID ALL
Invert Mode Off
Clip 512
Gain 7.00
Opacity 1000
Fill Source Matte
MATTE
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