29
Video Composition Operations
5.
Press the [AUTO] or [CUT] button.
The video you selected in steps 1 and 2 is composited and output. At
this time, the KEY [ON] button and the cross-point button in the PST/
EFFECT section light up in red.
Pressing the [AUTO] or [CUT] button a second time makes the overlaid
video disappear.
* You can also display or hide the overlaid video by operating the
video fader.
6.
To turn off key compositing, press the KEY [ON] button a
second time.
MEMO
5
The video transition-time setting is applied as the fade time for
key-composited text and video.
5
When you combine PinP (p. 27) with the compositing results from
luminance or chroma key, the superimposed video becomes the
inset screen.
You can also use the [POSITION] joystick and the [SIZE] knob to
adjust the display position and size of the overlaid video.
Making Advanced Settings for Chroma Key
When the key type is chroma key (“Chroma 1 (Blue)” or “Chroma 2
(Green)”), you can use the Key menu to fine-tune the key color.
Menu item Explanation
Hue
You use the following items to adjust the hue of the key color.
Fine
This adjusts the center position for hue.
Width
This adjusts the hue width (range).
Saturation
This adjusts the saturation of the key color.
Compositing Using an External Key
You can perform key composition that uses an external key.
Fill clip
Key clip
Background
video
NOTE
Using an external key makes DSK (p. 30) unusable.
1.
Select the [MENU] button
g
“Key”
g
“Mode.”
2.
Use the [VALUE] knob to set this to “External Key.”
Value
Explanation
Self Key
This performs key composition using luminance key or
chroma key.
External Key
This performs key composition using a key signal input from
an external source.
3.
Select “Type,” then use the [VALUE] knob to specify “Black”
or “White” as the extraction color for key composition.
4.
Select “Key Coupling,” then use the [VALUE] knob to set the
fill-channel and key-channel combination.
5.
Press the [MENU] button to quit the menu.
The steps of key compositing are similar to the procedure in
“Compositing Using Key” on the previous page.