Glossary: V
The actual data associated with a particular property in an
OMFáInterchange object.
A process — or an editing-system feature that enables the process — of
shifting easily between the playing, stepping (jogging), and shuttling of
footage.
Video-Black-Video. A preview mode that shows a previously recorded
scene, a black segment, and then the previously recorded scene again.
Videocassette recorder. A video recorder that uses consumer-grade
videotape formats such as VHS, Betamax, and Hi8.
In color correction, a subdivision of the full color spectrum defined by hue
and saturation values. Secondary color correction uses vectors to define
specific areas of an image to receive color adjustments.
A visual display that shows the electronic pattern of the color portion of the
video signal. It is used to adjust the color saturation and hue by using a
stable color reference such as color bars. The Avid Vectorscope monitor
uses a single-line display.
vertical blanking
interval
The period during which the television picture goes blank as the electron
beam returns (retraces) from scanning one field of video to begin scanning
the next. The vertical blanking interval is sometimes used for inserting
timecode, for automatic color tuning, or for captioning information into the
video signal.
Sync pulses that control the vertical field-by-field scanning of the video
picture by the electron beam.
Very high frequency. One of the television signals for broadcasting in the
United States per FCC standards. VHF is the frequency between high
frequency (HF) and ultrahigh frequency (UHF).
Video Home System. The 1/2-inch videocassette format developed by JVC
for consumer and industrial use.
1. | |
The visual portion of a program or sequence.
|
2. | |
All television other than broadcast television.
|
A plastic shell containing two reels and a length of videotape.
A trademark of Avid Technology, Inc. A hardware component that
synchronizes signal inputs, outputs, and conversions; selects audio frame
rates; and selects pulldown of video frames.
1. | |
In analog editing systems, also called a video playback source.
|
2. | |
In digital editing systems, a stream of data making up a digital video
image.
|
Oxide-coated, plastic-based magnetic tape used for recording video and
audio signals.
Vertical interval timecode. The timecode inserted in the vertical blanking
interval.
A registered trademark of Videomedia, Inc. An industry-standard software
protocol for video device control. The V-LAN network allows a computer
application to control and synchronize all connected VTRs, switchers,
DATs, mixers, and DVEs.
A registered trademark of Videomedia, Inc. A series of controllers that
control and synchronize professional video equipment for animation, video
editing, HDTV, and broadcast television production.
Videotape recorder.
Volume unit meter. An instrument used to measure audio levels.
Video-Video-Video. A preview mode that shows a previously recorded
scene, the new insert video, and then the previously recorded scene again.