GRASS VALLEY Kayak HD 100C, User Manual

Page: 543 / 558

Kayak — User Manual 543
Glossary
Mask
See
Key Mask on page 542
.
Matte
Internally-generated color video which can
be adjusted for luminance, hue, and chroma.
Matte can be used to fill areas of keys and
borders.
Matte Fill
Using matte video to fill the hole of a key ef-
fect.
Matte Generator
A video generator that produces matte sig-
nals.
M/E
Abbreviation of Mix/Effects, pertaining to
the circuitry and controls involved in com-
positing video signals.
Mix
A transition between two video signals in
which one signal is faded down as the other
is faded up.
Multiplier
A control circuit in which a control signal is
multiplied with one or more input video sig-
nals. The resulting video output level varies
from full on to full off according to the state
of the control signal.
Object
An individual a functional area of a system,
typically one of several having similar capa-
bilities.
Pattern Border
A variable width border that occurs at the
edges of a wipe pattern.
Pixel
A picture element. A pixel is a digital sample
of the luminance and color values of a pic-
ture at a single point.
Profile
Model name of a Thomson Grass Valley Vid-
eo Disk Recorder.
Point of Use
A location in the system where a resource is
used. A resource is generally used at differ-
ent locations at different times. However,
with some resources it is possible to use the
same resource at different locations at the
same time.
Preset Bus
A row of source buttons used to select the
source that will be output by the M/E during
the next background transition. Also called
the B bus.
Preset Pattern
A key effect in which a wipe pattern that has
been preset to a desired size and location is
used to cut the key hole. The characteristics
of the pattern are set using pattern controls.
Preview
A video signal that is viewed before it is out-
put by the switcher. See also Look Ahead Pre-
view on page 542 .
Program Bus
A row of source buttons used to select the
source for the current output of the M/E.
Also called the A bus.
Programmable Clean Feed
A type of clean feed where different keys can
be selected for inclusion or exclusion from
the clean feed.