Roland VR-120HD Direct Streaming AV Mixer - Manual (Page 43)

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Video Composition Operations
Using an External Key
This sets the key signal (the shape to be cut out) and the fill video (the
video to be composited) separately. With an external key, the key signal is
used to cut out the fill video and superimpose it on the background video
to create the composite.
Compositing using DSK
This shows how to composite an image using “DSK 1”.
The steps are the same when using “DSK 2”.
1 . Press the DSK 1 [SETUP] button to turn on (lit).
The DSK setup screen appears.
2 . Touch the setup screen to make the following settings.
Parameter Explanation
DSK Mode External Key
Key Source Specifies the video to use as the key signal.
Fill Source Specifies the fill video source.
3 . Press a VIDEO SWITCHER [1]–[8] button to select the fill
source.
Magenta: Fill source
White:
Video input available
Unlit: Video input unavailable
* When selecting a video that is not assigned to Input 1–8, set this in
“Fill Source” on the setup screen.
MEMO
You can also directly touch the multi-view, input-view or still-view
screens to select a video signal.
4 . Press the DSK 1 [PVW] button to turn on the preview output
(lit).
A preview of the composition results is displayed in the PVW section
of the multi-view.
At this stage, the final output has not yet been changed.
5 . Touch the setup screen to adjust the intensity of the effect.
Parameter Explanation
Mix Level Adjusts the key’s overall density (output level).
Time
Adjusts the fade-in/out time for the DSK video
source.
* For details on the parameters, refer to “6: DSK” (p. 108).
6 . Press the DSK 1 [PGM] button to turn on DSK compositing
(lit).
The composition results is sent to final output.
7 . To turn off DSK compositing, press the DSK 1 [PGM] button
once again.
Turning DSK/PinP composition on/off in tandem
with video transitions
You can make DSK/PinP composition turn on/off in tandem with the
video transitions.
From the [MENU] button
Ó
“System”, set “Effects Transition Sync” to “ON”.
After step 4, use the [AUTO] and [CUT] buttons to switch the video. DSK
composition turns on, and the composited result that is previewed is sent
to final output.
Background video
Fill video source
Key source