Electronic Insertion
Using electronic wizardry, you can punch a ‘hole’ or matte in a master shot, and insert there the exactly corresponding area of a background picture.
Keyed insertion
The SEG (special effects generator) is usually part of the switcher facilities. It automatically interswitches between pictures to produce:
• Uncover wipe patterns – removing a section reveals another shot.
• Split-screens • subdividing the frame, to show parts of two shots.
• Insets/inserts – displaying a section from another shot, within the main picture.
You can select various adjustable geometrical shapes, with hard or soft (diffused) edges, and position them anywhere in the screen. A variation on this method uses a silhouette graphic placed in front ...
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