C
HROMAKEY
P
ERFORMING
THE
C
HROMA
KEY
97
P
ERFORMING
THE
C
HROMA
KEY
When the preview screen shows the desired chroma key results:
•
Press
PLAY
. The output monitor shows the chroma key image. Press
PLAY
again to cut back to
the background source.
You can also dissolve between the background footage and the chroma key footage using the
T
-
BAR
, rather than pressing
PLAY
.
Using Freeze and
Other Input
Effects
You can apply Input Effects (including Freeze) to the background footage, but
not
to the keyed
footage.
•
To apply the freeze effect, press
FREEZE
either before or after pressing
CHROMAKEY
or
SHIFT
+
CHROMAKEY
.
•
To apply any of the other Input Effects, apply them to the CURRENT source
before
pressing
CHROMAKEY
.
The MX-4 ignores effects applied to the NEXT source during chromakey.
Fine-Tuning Key Colors
You can fine-tune the chroma key effect so that more or less of the keyed footage gets keyed. You
can separately adjust the range of colors and video brightness that gets keyed.
•
To adjust the
brightness
range, enter
SHIFT
+
UP
ARROW
to increase the range of brightness val-
ues that get keyed, replacing more of the keyed footage with the background footage. Use
SHIFT
+
DOWN
ARROW
to decrease the brightness range, reducing the portion of the image that
gets keyed.
•
To adjust the
color range
, enter
SHIFT
+
RIGHT
ARROW
to increase the range of colors that get
keyed, replacing more of the keyed footage. Use
SHIFT
+
LEFT
ARROW
to decrease the range of
key-colors, reducing the portion of the image that gets keyed.
Ending Chroma Key
When you finish using chroma key, press
CHROMAKEY
.
Summary of Contents for MX-4
Page 1: ...MX 4 User Guide ...
Page 50: ...NOTES ...
Page 70: ...NOTES ...
Page 102: ...NOTES ...
Page 108: ...NOTES ...
Page 136: ...MX 4 USER GUIDE CHAPTER 13 132 ...
Page 138: ...MX 4 USER GUIDE APPENDIX A 134 BASIC TRANSITIONS ...
Page 154: ...NOTES ...
Page 168: ...NOTES ...