Sony MVS-8000X User Manual page 99

Knob Parameter Adjustment
2 Left Move left edge
of the color
cancel key
3 Right Move right edge
of the color
cancel key
When setting [Window] on and adjusting the
detection range of the color cancel key
Knob Parameter Adjustment
1 Crop Crop value
2 Angle Angle value
For details of the crop and angle parameters, see
"Chroma key window" (page 97).
When setting [Y Balance] on and adjusting the
ratio in which Y balance is added to the color cancel
key
Knob Parameter Adjustment
1 Mixture Ratio of Y
balance key
Adjusting the window
Setting the window (see page 97) function on allows you
to adjust the detection range used to determine the key
signal. When this function is off, the default range is used
for the key.
After making sure that the values of Clip, Gain, and Hue
are adjusted appropriately, use the following procedure to
make the window adjustment.
1
In the Chroma Adjust menu, set [Window] on.
2
Adjust the following parameters.
Knob Parameter Adjustment
1 Crop Crop value
2 Angle Angle value
Adjusting the Y balance
Setting the Y balance (see page 97) on allows you to
specify that, even if the hue is the same, only portions of a
particular luminance will be replaced by the background.
1
In the Chroma Adjust menu, set [Y Balance] on.
2
Adjust the following parameters.
Knob Parameter Adjustment
1 Clip Luminance
range
Setting values Knob Parameter Adjustment
–3.00 to +3.00 2
3
–3.00 to +3.00
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
Setting values
on cutting out of the foreground.
100.00 to 0.00
1
180.00 to 0.00 In the Chroma Adjust menu, set [Shadow] on.
2
Adjust the following parameters.
Knob Parameter Adjustment
1
Setting values
2
0.00 to 100.00
3
4
Notes
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.
1
In the Chroma Adjust menu, set [FRGD CCR] on.
Setting values
2
Adjust the following parameters.
100.00 to 0.00
180.00 to 0.00
Knob Parameter Adjustment
1
2
3
4
Setting values
0.00 to 100.00
Gain Key gain
Luminance Luminance
Luminance Reference
luminance for
shadows
Gain Shadow key
gain
Density Shadow opacity
Soft Shadow
softness
Video Overall gain of
Gain video signal
Y Gain Y signal gain
C Gain C signal gain
Hue Hue offset
amount
Key Adjustments (Menus)
Setting values
–100.00 to
+100.00
0.00 to 100.00
Setting values
0.00 to 100.00
–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
–180.00 to
+180.00
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