This is a special device used to display video signals from a video
camera or video recorder in a window on the computer screen.
Still images can also be captured.
This is usually used by video editors because it allows the user to
select the best part or images of a tape.
Once the video sequences are on the screen they can be stored on to the
hard disk as video clip, but remember if not properly compressed they can take
a lot of disk space.
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