Roland V-800HD MKII Multi-Format Video Switcher - Manual (Page 35)

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Compositing the Video
Picture-in-Picture (PinP)
This displays an inset screen superimposed upon a background picture. Use the dial and joystick of the SCALING section to adjust
the size and position of the inset screen.
Luminance Key/Chroma Key/External Key (KEY)
This performs compositing with a key-extracted video superimposed upon a background video. Use the [LEVEL] dial to adjust the
amount of keying.
* By default, the setting is to apply black extraction. You can select different color using the menus (p. 51).
* When you are using external key, DSK cannot be used.
Downstream Keyer (DSK)
You can make the results of a video transition or of PinP or of key compositing the background. Then overlay a logo or text (three-
layer compositing). You can switch or composite the background video while continuing to display the logo or text unchanged.
Use the [LEVEL] dial to adjust the amount of keying.
* By default, video input on channel 8 is assigned as the source for the DSK. You can select a different channel using the menus (p. 51).
Even if you switch video while compositing is carried out, no glitch occurs to the output video. You can switch the foreground picture (the inset
screen for Picture-in-Picture, or the logo /text) or the background picture smoothly.
This composites an inset screen into background video.
fig.PinP-image.eps
1. Select the background channel.
Use buttons 1 through 8 on the [PGM] side to select the background channel.
* When you want to use a still image or a plain colored background, press select 9 or 10.
fig.select-background.eps
Compositing Using Picture-in-Picture
Background
Inset Screen
Picture in Picture