Sony MVS-8000 User Manual page 334

Adjusting the chroma key shadow
This function allows a shadow falling on the (typically blue) background color
to be rendered more realistically. Since portions of the (blue) background of
less than a certain luminance are treated as shadows, there is no effect on
cutting out of the foreground.
Use the following procedure.
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Note
When chroma key shadow is on, key edge is changed to normal, and soft edge
is switched off.
Adjusting the video signal
You can change the gain of the foreground signal, or vary the Hue. There are
separate adjustments for the gain of the whole video signal, or Y and C
individually.
Use the following procedure.
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334
Key Setting Operations Using Menus
Knob Parameter Adjustment
1 Clip Luminance range
2 Gain Key gain
3 Luminance Luminance
In the Chroma Adjust menu, set [Shadow] on.
Adjust the following parameters.
Knob Parameter Adjustment
1 Luminance Reference luminance for shadows 0.00 to 100.00
2 Gain Shadow key gain
3 Density Shadow opacity
4 Soft Shadow softness
In the Chroma Adjust menu, set [FRGD CCR] on.
Adjust the following parameters.
Knob Parameter Adjustment
1 Video Gain Overall gain of video signal
2 Y Gain Y signal gain
3 C Gain C signal gain
Setting values
0.00 to 100.00
–100.00 to +100.00
0.00 to 100.00
Setting values
–100.00 to +100.00
0.00 to 100.00
0.00 to 100.00
Setting values
–100.00 to +100.00
–100.00 to +100.00
–100.00 to +100.00