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Using Luminance Keying
The functions of the setting items are as follows.
[Clip]: Adjusts the threshold level for the logo key.
[Gain]: Adjusts the sharpness of the outline.
[Density]: Adjusts the density of the text to be inserted.
Note
When you have recalled a logo file and made adjustments, the logo file
adjustment values for the logo file depend on the next recalled file as follows:
• When a file with no alpha channel is recalled: the adjustments are
maintained as is.
• When a file with an alpha channel is recalled: the adjustments are returned
to their default values.
Specifying the position of the logo display
1 Select [Location], and confirm; 2 select [X] or [Y], and confirm; 3
specify the position with the sliders.
1
Logo Source
None
X
Clip
0%
Y
Gain
50
Density
100%
Location
The functions of the setting items are as follows.
[X]: Specifies the horizontal position.
[Y]: Specifies the vertical position.
Note
After Step 1, you can specify the vertical or horizontal position by just
pressing the top, bottom, left, or right part of the positioner. (If you use the
positioner, there is no need to select [X] and [Y].)
5
Press the MENU button to close the menu.
Video A and video B images are combined by comparing the components of
brightness (luminance) to cut unneeded portions of the video B image.
Generally, bright lettering is drawn on a black background, and this is used as the
key.
A
2
3
290
210
X-Y
B
AB
Video Switching
99
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