Chroma Key Composition - Sony MVS-8000 User Manual

To invert the black and white sense of the key source: Press [Key
Invert], turning it on.
To adjust the horizontal position or key source width for a luminance
key, linear key, or chroma key: Press [Key Position], turning it on,
and set the parameters.
Knob
1
2
3
To set the key priority: Press [Key Priority] or select VF7 'Misc' and
HF3 'Key Priority' to access the Key Priority menu.
For details, see "Setting the Key Priority by a Menu Operation" (page
291).

Chroma Key Composition

Composing an image by chroma keying
There are two types of composition for chroma keying: normal mix, and
additive mix.
To carry out chroma key composition, use the following procedure.
For an overview of the chroma key composition, see page 47.
1
In the M/E-1>Key1 menu, select HF1 'Type.'
2
Select [Chroma] in the <Key Type> group.
It becomes possible to adjust the key density (see page 328).
3
Select [Chroma Adjust].
The Chroma Adjust menu appears.
4
Carry out auto chroma key adjustments.
Also carry out manual adjustments if necessary to obtain an optimum
chroma key image.
For the adjustment procedures, see page 330.
5
In the <Mix Mode> group, select [Normal Mix] or [Additive Mix]
depending on the desired type of chroma key composition.
Parameter Adjustment
H Phase Key horizontal position
Left Key left edge position
Right Key right edge position
Setting values
–4.00 to +4.00
–4.00 to +4.00
–4.00 to +4.00
Key Setting Operations Using Menus
329