Sony MVS-8000X User Manual page 104

2
Press [Chroma Adjust].
The Chroma Adjust menu (1111.1) appears.
3
In the <Auto> group, press [Sample Mark], turning it
on.
The foreground video only appears on the monitor,
with a white box-shaped sample marker.
4
Adjust the position and size of the sample marker, to
specify the reference color for chroma keying
(typically a blue background).
No. Parameter Adjustment
1 Position H Horizontal position
2 Position V Vertical position
3 Size Size
5
In the <Auto> group, press [Auto Start].
This executes an auto chroma key based on the color
specified by the sample marker, and displays the
composite image on the monitor.
Adjusting key active
When the key active function is enabled, the composite
image is output to the monitor, and you can watch the
monitor while manually adjusting the keying.
When the key active function is disabled, only the
foreground image appears. Disable key active when
manually adjusting color cancel.
1
In the M/E-1 >Key1 >Type >Chroma Adjust menu
(1111.1), press [Key Active], turning it on.
2
Set the following parameters.
No. Parameter Adjustment
1 Clip Chroma key reference level
2 Gain Key gain
3 Hue Hue
4 Density Density
5 Filter Filter coefficient
Adjusting color cancel
If the background color is leaking into the foreground
video, enabling the color cancel function allows you to
eliminate this leakage.
1
In the M/E-1 >Key1 >Type >Chroma Adjust menu
(1111.1), press [Key Active], turning it off.
Only the foreground image appears on the monitor.
2
In the <Color Cancel> group, press [Color Cancel],
turning it on.
3
Set the following parameters.
No. Parameter Adjustment
1 Luminance Luminance
2 Saturation
3 Hue
5 Filter
4
Press [Key Active], turning it on.
The chroma key composite image reappears in the
monitor.
Adjusting the key signal for color cancel
1
In the M/E-1 >Key1 >Type >Chroma Adjust menu
(1111.1), press [Color Cancel] in the <Color Cancel>
group, turning it on.
2
In the <Color Cancel> group, press [Cancel Key].
3
Set the following parameters.
No. Parameter Adjustment
1 Clip
2 Gain
4
In the <Color Cancel> group, make adjustments as
necessary.
Key Position: Adjusts the color cancel key edge
position. Set the following parameters.
No. Parameter Adjustment
1 H Phase
2 Left
3 Right
Window: Adjusts the detection range of the color
cancel key Set the following parameters.
No. Parameter Adjustment
1 Crop
2 Angle
a) See page 102.
Y Balance: Adjusts the ratio in which Y balance is
added to the color cancel key Set the following
parameter.
103
Saturation
Hue
Filter coefficient
Color cancel key reference level
Color cancel key gain
Simultaneous movement of left and
right edges of the color cancel key
Movement of left edge of the color
cancel key
Movement of right edge of the color
cancel key
a)
Crop value
a)
Angle value