AVMATRIX HVS0402U - Chroma Key

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Clip: Adjust the threshold at which the key cuts its hole. When decrease the clip degree, more of the
background will appear. If the background video is completely black then the clip value is too low.
Gain: Adjusts the performance of the chroma key in light or white areas. Apply more Key Gain if the light
areas are becoming too transparent.
Invert Key: Inverts the key signal.
Mask: Configure the Mask for the Key area
9.2. Chroma key
Chroma Key is a visual-effects and post-production technique for compositing (layering)
Menu
Sub-menu
Item
Parameter
Default
Upstream Key
Luma Key
Luma Status
OFF/ KEY (PVW)/ ON AIR (PGM)/ KEY & ON AIR
OFF
Fill Source
Black/ Color Bar/ Color 1/ Color 2/ HDMI 1/ HDMI
2/ HDMI 3/ HDMI 4/ Image
Color1
Key Source
Black/ Color Bar/ Color 1/ Color 2/ HDMI 1/ HDMI
2/ HDMI 3/ HDMI 4/ Image
Image
Clip
0%-100%
10%
Gain
0%-100%
0%
Invert Key
On/Off
Off
Mask Enable
On/Off
Off
Mask Left
0%-100%
0%
Mask Top
0%-100%
0%
Mask Right
0%-100%
50%
Mask Bottom
0%-100%
50%