Adjusting A Chroma Key (Key Control Block) - Sony MLS-X1 User Manual

4
Set the [Y Balance] button in the [Color Cancel]
group to the on state and set the following parameter.
Adjust the ratio in which Y balance is applied to the
color cancel key.
No. Parameter
1 Mixture
Adjusting the foreground color correction
1
Open the Home > M/E-1 > Key1 > Type > Chroma
Adjust menu (11101.12).
2
Set the [FRGD CCR] button to the on state and set the
following parameters.
No. Parameter
1 Video Gain
2 Y Gain
3 C Gain
4 Hue
Adjusting a Chroma Key (Key
Control Block)
Select the target key to set and press the page selection
button to display page 3/3 of the setting buttons.
In the key control block, you can adjust a chroma key
using the following buttons.
• [SMPL MARK] button/[AUTO STRT] button: Auto
chroma key
• [KEY ACTV] button: Key active
• [COL CAN] button: Color cancel
For details about key control block operations, see
"Setting the Key Type (Key Control Block)" (page 119).
Executing an auto chroma key
You can execute an auto chroma key based on the color
specified by a sample mark.
1
Press the [SMPL MARK] button, turning it on green.
2
Set the position of the sample mark reference color
using the following parameters.
No. Parameter
1 POS H
2 POS V
3 SIZE
Adjustment
Ratio of Y balance
Adjustment
Video signal gain
Luminance signal gain
Chrominance signal gain
Hue offset amount
Adjustment
Horizontal position
Vertical position
Size
3
Press the [AUTO STRT] button.
The auto chroma key is executed.
During the auto chroma key execution, the [AUTO
STRT] button is lit amber.
Adjusting key active
1
Press the [KEY ACTV] button, turning it on green.
2
Set the following parameters.
No. Parameter
1 CLIP
2 GAIN
3 HUE
4 DENSITY
5 FILTER
a) No filter is applied when set to "1". The larger the value, the
stronger the filtering applied.
Adjusting color cancel
1
Press the [COL CAN] button, turning it on green.
2
Set the following parameters.
No. Parameter
1 LUM
2 SAT
3 HUE
5 FILTER
a) No filter is applied when set to "1". The larger the value, the
stronger the filtering applied.
124
Adjustment
Reference level for key signal
generation
Key gain
Key hue
Key density
a)
Filter (1 to 9)
Adjustment
Luminance
Saturation
Hue
a)
Filter (1 to 9)