Roland VR-6HD Direct Streaming AV Mixer - Manual (Page 36)

36
Video Composition Operations
Compositing a Caption or Image (Luminance Key)
Here’s how you can cut out text or image by turning its black or white portion transparent, and then superimpose it on the background video.
Black or white
Background video DSK video source
Compositing using DSK
1 . Press the PANEL [SETUP] button.
2 . Touch <DSK>.
The DSK setup screen appears.
3 . Touch the setup screen to make the following settings.
Parameter Explanation
MODE SELF KEY
TYPE
LUMINANCE WHITE KEY
(Makes white portions transparent according to
brightness.)
LUMINANCE BLACK KEY
(Makes black portions transparent according to
brightness.)
4 . Touch <DSK SOURCE> to select a DSK video source.
5 . Press the DSK [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.
6 . Touch the setup screen to adjust the intensity of the effect.
Parameter Explanation
DSK
LEVEL
Adjusts the degree of extraction (transparency) for
the key.
GAIN
Adjusts the degree of edge blur (semi-transmissive
region) for the key.
TIME
Adjusts the fade-in/out time for the DSK video
source.
* For details on the parameter, refer to “4: PinP/DSK” (p. 123).
7 . Press the DSK [PGM] button to turn on DSK compositing (lit).
The composition results is sent to final output.
8 . To turn off DSK compositing, press the DSK [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.
1 . After setting “PANEL OPERATION” to “PGM/PST” from the
[MENU] button
Ó
“SYSTEM”
Ó
, set “EFFECTS TRANSITION
SYNC” to “ON”.
2 . After step 5, 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.
Modifying the caption or image
You can fill-in the superimposed caption or image, or add an edge to it.
Configure the following parameters on the DSK setup screen.
Parameter Explanation
FILL
FILL TYPE If this is set to “MATTE”, the superimposed video is
filled in with the color specified in “MATTE COLOR”. MATTE COLOR
EDGE
EDGE TYPE Specifies the type of edge.
EDGE COLOR Specifies the color of the edge.
EDGE WIDTH Specifies the width of the edge.
* This setting is in common with chroma key (p. 37).