Grass Valley Kayak HD v.6.9.3 - Manual (Page 593)

Kayak — User Manual 593
Glossary
2) In analog television systems, sync is the
portion of the video signal which occurs dur-
ing blanking and is used to synchronize the
operation of cameras, monitors, and other
equipment. Horizontal sync occurs within
the blanking period in each horizontal scan-
ning line, and vertical sync occurs within the
vertical blanking period. A color black signal
is often used for synchronizing different
pieces of analog equipment.
Tally
A light which lights up to indicate that the
associated button has been selected or to in-
dicate that the associated input to the switch-
er is on-air.
Terminate, Termination
To complete a circuit by connecting a resis-
tive load to it.
Transition
A change from one picture to another. Cut,
mix, and wipe are transitions.
Vertical Interval
The portion of the video signal that occurs
between the end of one field or frame and the
beginning of the next.
Video Fill
A video signal used to fill the hole made by a
key cut signal.
Video Path
The path that video takes through the
switcher.
Wash Matte
A type of matte that contains two elements
rather than a single flat color. For example, a
wash matte can have one color that mixes
gradually across the screen to another color.
Wipe
A transition between two video signals that
occurs in the shape of a selected pattern.
Wipe Pattern Generator
Circuitry that creates patterns that can be
used to create wipe transitions, preset pat-
terns, key masks, and matte washes.