G-1
G
Glossary
A
Abort:
An instruction used to terminate
execution of a computer program or
routine.
Accumulating Latch:
Electronic
circuitry that allows several signals to be
latched on at the same time and then
combined to produce a compound effect.
Active Video:
The portion of a video
signal that contains picture information.
Array:
A series of like items arranged in
an intersecting pattern, such as a RAM
array.
ASCII:
American Standard Code for
Information Interchange.
Aspect:
The ratio between the width and
the height of an object such as a wipe
pattern or a video screen.
Assembly:
A major part of a system that
consists of more than one component. For
example, the main control panel is an
assembly within the Model 3000 Switcher.
(Also see Component and System.)
Asynchronous:
A mode of computer
operation where the CPU immediately
begins a new task upon completion of the
previous task. (Also see Synchronous.)
Audio Mixer:
An electronic device that
takes audio signals from any of several
sources (such as microphones, tape
recorders, etc.) to produce audio effects.
(Also see Switcher, Video.)
Auto Transition:
A smooth or linear
electronically-produced transition made
by pressing a pushbutton (
[AUTO TRAN]
)
instead of moving a lever arm.
B
B-Y:
The designator used to describe the
Blue minus Luminance color portion of a
component video signal.
Background Color Suppression
(BCS):
A chroma key feature which
enhances the appearance of chroma keys
by suppressing unwanted halo effects.
Background Generator:
A video
generator that produces a solid-color
output which can be adjusted for hue,
saturation, and luminance. The output of
the generator is the color background
signal applied to a primary input.
Summary of Contents for Grass Valley 3000
Page 16: ...xvi Preface ...
Page 108: ...2 72 Section 2 Startup Configuration ...
Page 115: ...3 7 Transitions Figure 3 1 A Mix Transition Starting Video Midway Transition Ending Video ...
Page 141: ...4 3 Starting Conditions Figure 4 1 Source 1 Figure 4 2 Source 2 ...
Page 222: ...4 84 Section 4 Switcher Operations ...
Page 240: ...Appendix A Shaped and Unshaped Video A 18 ...
Page 256: ...B 16 Appendix B Keyframe Facts ...
Page 262: ...Appendix C Super Black C 6 ...
Page 276: ...G 14 Glossary ...