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Chapter 4: Advanced Operations
Adjustments for Inserting People onto Backgrounds (Chroma Key)
This section describes preparations for video composites that use chroma keying.
Chroma keying is a compositing technique that involves removing a specified color in the overlay
video (green in the following example) and overlaying the remaining parts of the video (a person in the
following example) onto the background video.
A (background video)
B (overlay video)
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Five chroma key patterns are available on the unit.
As preparation, select the pattern icons that will be used during live operation, and adjust the key
composition. Composite adjustment values can also be configured for the pattern icon.
1
Display the [Pattern] screen of the PC UI in
EFFECT mode.
B
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A
2
Select the button for the background video in
row A of the video selection buttons, and
select the overlay video in row B.
Background video
Overlay video
The background video selected in row A
appears in the [PGM] viewer of the multi-
viewer, and the overlay video selected in row B
appears in the [NEXT] viewer.
Overlay video selected in row B
Background video selected in row A
3
Select a chroma key pattern icon, and adjust the key composition.
Background video selected in row A
Overlay video selected in row B
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