Sony MCS-8M User Manual
I-28
Composing Images with Keys
Chapt
er
3
Bas
ic
Ope
rat
ions
3
Select an effect in the numeric keypad block.
1
Press the EFF button to light it.
2
If the DIRECT/ESC button is not lit, press the
button to light it.
button to light it.
3
Press the numeric button to which the effect pattern
you want to use is assigned.
you want to use is assigned.
4
Execute the transition.
Specifying effects by pattern number
Perform the following to specify effects by entering effect
pattern numbers.
pattern numbers.
For details on pattern numbers, see “Effect Pattern List” (page I-37).
1
Press the EFF button in the numeric keypad block to
light it.
light it.
2
If the DIRECT/ESC button is lit, press the button to
turn it off.
turn it off.
3
Use the numeric buttons (0 to 9) to enter the pattern
number.
number.
The pattern number entered appears at the top left of
the menu screen.
the menu screen.
4
Press the ENTER button.
The pattern icon of the number entered appears, and
the effect pattern number changes to an orange
display.
the effect pattern number changes to an orange
display.
If you press the DIRECT/ESC button before pressing
the ENTER button after entering the pattern number,
the entry will be canceled and revert to the original
pattern number.
the ENTER button after entering the pattern number,
the entry will be canceled and revert to the original
pattern number.
Composing Images with
Keys
Keys
Keying is a function in which part of the background
image is replaced by another image or superimposed text.
The following keys can be used with this unit to compose
video.
image is replaced by another image or superimposed text.
The following keys can be used with this unit to compose
video.
Luminance key (page I-29)
Based on the brightness (luminance) of the key source
Based on the brightness (luminance) of the key source
1)
,
key fill
1)
image B is cut out and superimposed on image A
(i.e., the background).
In this composition example, the same image is selected as
the key source and key fill.
In this composition example, the same image is selected as
the key source and key fill.
1) The signal for cutting out the background is called a key source, and the
signal for filling the cutout portion is called a key fill.
Linear key
This is a type of luminance key with a reduced variability
in gain that allows more precise adjustment.
This is a type of luminance key with a reduced variability
in gain that allows more precise adjustment.
For details on operations, see “Making Detailed Adjustments to the Linear
Key” (
c Advanced Settings).
Chroma key (page I-30)
A particular color (chroma) component is removed from
image B, and image B is superimposed on image A (i.e.,
the background). Typically, a subject is shot in front of a
blue screen and the portions of the background that contain
blue components are later removed, leaving only the
subject to be superimposed.
A particular color (chroma) component is removed from
image B, and image B is superimposed on image A (i.e.,
the background). Typically, a subject is shot in front of a
blue screen and the portions of the background that contain
blue components are later removed, leaving only the
subject to be superimposed.
Tip
1
3
2
World Market
World Market
A
B
AB
A
B
AB
Background
Image to be
superimposed