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Two types of roll edits are commonly used in video editing—
A/A
rolls and
A/B
rolls.
You can do both types of rolls with MXProDV. A/A rolls can be accomplished with
relative ease. As you’ll learn later in this section, you can also do A/B roll editing with
MXProDV, although it does require good preparation and manual control of the
devices. If you intend to do a lot of A/B roll editing, we recommend you consider a
dedicated device, such as a Videonics A/B Roll Editor.
Cutting Between Scenes
Simple cuts between scenes do not require special features. All you have to do is
pause the recording VCR at the end of one scene, then release pause when the next
scene begins.
A/A Roll Edits
A/A roll edits can be defined as Single-Source editing because all of the original mate-
rials come from a single videotape. MXProDV offers special features designed specifi-
cally for these types of situations.
An easy way to add interest to a single-source transition is to use the A/A roll edit
(sometimes called an A/X/A edit). In this situation, the video freezes at the end of
one scene, then a dissolve or other effect transitions to the next scene.
Example…
You are producing a murder mystery. The door opens and the villain sneaks into the
room. Slowly he moves toward the camera, then you press
FREEZE
to freeze the killer’s
menacing glare!
Next, you pause the recorder and set up MXProDV to perform a dissolve. Then you find
the next scene and start it playing a bit before the scene starts. There’s the victim — it’s
granny, sitting in a rocking chair with her back to the camera. You start the recorder. It’s
still recording the frozen picture. At the correct moment you transition from the frozen
close-up of the murderer to granny in her chair. As the killer’s face dissolves away,
granny turns and we discover it’s the constable, ready to arrest the scoundrel!
To perform a roll edit such as this:
1
Roll the tape and press
FREEZE
at the appropriate moment to freeze the end of the
scene.
2
Pause the recording device.
3
Set up the transition you want.
4
Position the source tape just before the next scene and let the scene play.
5
Release pause on the recording device to record more of the frozen picture.
6
At the appropriate moment, run the transition between the frozen picture and the
rolling video from the next scene.
This type of A/A roll works best when the recording device has flying-erase heads — a
feature that lets the VCR make a clean break when you pause the recording.
Summary of Contents for MXPro DV
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