Videonics MXPro DV, Руководство пользователя

Страница: 133 / 198

C
HROMAKEY
P
ERFORMING THE
C
HROMAKEY
125
P
ERFORMING THE
C
HROMAKEY
When the preview screen shows the desired chromakey results:
È
Press
PLAY
. The output monitor shows the chromakey image. Press
PLAY
again to cut
back to the background source.
You can also dissolve between the background footage and the chromakey 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
. MXProDV 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 get
keyed.
• To adjust the brightness range, enter
SHIFT
+
UP ARROW
to increase the range of
brightness values 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 Chromakey
When you finish using chroma key, press
CHROMAKEY
.