Using an external key, Y (p. 36), Setting the dsk mode or key/fill video – Roland V-160HD SDI/HDMI Streaming Video Switcher User Manual
Page 36: Compositing using dsk, Video composition operations
36
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.
Background video
Fill video source
Key source
Setting the DSK mode or key/fill video
1 .
[MENU] button
Ó
“DSK”
Ó
“DSK 1” or “DSK 2
Ó
select
“DSK MODE,” “KEY SOURCE,” or “FILL SOURCE,” and press
the [VALUE] knob.
2 .
Use the [VALUE] knob to change the setting as shown
below.
Menu item
Setting
DSK MODE
EXTERNAL KEY
KEY SOURCE
Specifies the video to use as the key signal.
FILL SOURCE
Specifies the fill video source.
3 .
Press the [MENU] button to quit the menu.
MEMO
You can also use the buttons to select the videos assigned to
INPUT 1–10 as a fill video source.
Press the DSK 1 or DSK 2 [SOURCE] button to turn it on (the button
lights), and then select using the DSK SOURCE [1]–[10] buttons.
Compositing using DSK
Here we explain how to use “DSK 1” for compositing videos.
The operation is the same when using “DSK 2.”
1 .
Press the DSK 1 [SOURCE] button to turn it on (the button
lights up).
2 .
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.
3 .
Press the DSK 1 [PGM] button to turn on DSK compositing
(lit).
The composition results is sent to final output.
4 .
To turn off DSK compositing, press the DSK 1 [PGM]
button once again.
MEMO
Set the fade-in/out time for the DSK video to superimpose from
the [MENU] button
Ó
“TRANSITION TIME”
Ó
“DSK 1 TIME” or
“DSK 2 TIME.”
Turning DSK/PinP composition on/off in tandem
with video transitions
You can make DSK/PinP composition (p. 28) turn on/off in tandem
with the video transitions.
From the [MENU] button
Ó
“SYSTEM,” set “EFFECTS TRANSITION
SYNC” to “ON.”
After step 2, use the [AUTO] and [CUT] buttons or operate the
video fader to switch the video. DSK composition turns on, and the
composited result that is previewed is sent to final output.