Decks let you control, monitor, and synchronize the recording or playback of a VTR (Video Tape Recorders) from within MotionBuilder. You can use the Deck settings to record rough takes or video backups of a capture session to a VTR, or play video from a VTR during a capture session.
MotionBuilder supports two decks:
To use decks in MotionBuilder, drag a deck into the Viewer window from the Asset browser Decks folder.