33Basic Video Processing
Chapter 1 DVS-9000 Functions
Masks
A mask allows a part of the image to be replaced by the background or a key.
To prevent unwanted holes in the background, or if a key is not the desired
shape, you can correct this with a mask.
Wipes
A wipe is a transition from the current video stream to a new video stream,
using a wipe pattern.
Changing the background by means of a wipe is referred to as a “background
wipe,” and inserting or deleting a key with a wipe is termed a “key wipe.”
There are two types of wipe: those that can be selected in a common transition,
and those that can be selected in an independent key transition.
The patterns that can be used for a wipe are as follows.
• Standard wipe patterns
• Enhanced wipes
• Rotary wipes
• Mosaic wipe pattern
• Random and diamond dust wipe patterns
You can combine two selected patterns (referred to as main and “sub”) to
create a new pattern (pattern mix).
You can also specify the wipe direction, or set the pattern position, applying
various changes and modifiers to the selected wipe pattern.
For details, see Chapter 5 “Wipes” (page 199).
DME Wipes
A DME wipe is a wipe transition that uses a DME effect to change from one
video image to the next.
There are two types of DME wipe: those which can be selected for a normal
transition, and those which can be selected for an independent key transition.
The patterns that can be used for a DME wipe are as follows.
Slide, Squeeze, Split, Door, Flip tumble, Mirror, Sphere, Character trail,
Wave, Ripple, Page turn, Page roll, Frame in-out, Picture-in-picture, 2D
trans, 3D trans, Sparkle, Split slide, Mosaic, Defocus, Brick, and User
programmable DME
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