Barco Encore, Manual

Page: 205 / 404

Encore Presentation System • User’s Guide 205
5. Menu Orientation
Key Menu
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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 following Key Menu functions are provided when Luma key is selected:
•
Invert Mode — enables you to invert the key 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
•
Gain — adjusts the sensitivity of the keyer, enabling you to change the sharpness
of the keyed image. Gain only affects the key hole, as set by the clip.
~
Adjustment range : 0 to 1023.99
•
Opacity — enables you to adjust the opacity of the keyed image, from fully
opaque to fully transparent.
~
Adjustment range : 0 to 1024
•
Fill Source — determines the video that fills the key hole:
~
Self — fills the hole with the key source video itself, for example, the
video from a character generator or logo.
~
Matte — fills the hole with a matte color, which can be adjusted with the
Matte Menu . See the “ Matte Menu ” section on page 207 for details.
•
Press
{
STATS
}
to display the Status Menu . Refer to the “ Status Menu ” section
on page 193 for details.
•
Press
{
CLONE
}
to display the Clone Setup Menu (if Clone is enabled). Refer to
the “ Clone Setup Menu ” section on page 197 for details
•
Press
{
EFX
}
to display the Image Effects Menu . Refer to the “ Image Effects
Menu ” section on page 201 for details.
•
Press
{
MATTE
}
to display the Matte Menu . Refer to the “ Matte Menu ” section on
page 207 for details.
•
Press
{
SIZE & POS
}
to display the Key Adjustment Menu . Refer to the “ Key
Adjustment Menu ” section on page 208 for details.
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A Color key is one in which the hole-cutting information is derived from a specific RGB
value — including luminance.
The following Key Menu functions are provided when Color key is selected:
•
Red Color — adjusts the red component of the selected key color, from 0 to 1024.
•
Green Color — adjusts the green component of the key color, from 0 to 1024.
Note Luma keys can be selected on both the Layer A and Layer B
keyers, in both Split and Mix modes.
Note Color keys can be selected on both the Layer A and Layer B
keyers, in both Split and Mix modes.