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Programmable clean feed – Grass Valley Zodiak v.6.0 Mar 15 2006 User Manual

Page 473

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Zodiak — User Manual

473

Glossary

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.

Preference

See

Suite Preference

and

User Preference

.

Profile

Model name of a Video 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 that M/E dur-
ing 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

and

Switched Preview

.

Program Bus

A row of source buttons used to select the
source for the current output of that 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.

Recall

To restore a previous panel setup that has
been learned using E-MEM.

Reclocking

The process of clocking the data with a re-
generated clock to remove jitter.

Resource

A capability of the system, typically consist-
ing of a set of circuitry.