Pyro Industries API-1394PCI Manual de usuario descargar pdf (Pagina 338)

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■ GLOSSARY

V-LAN An upgradable software protocol,

developed by Videomedia, for video device

control used by proprietary hardware between

the computer and the controlled device.

VLX A series of controllers developed by Video-

media that control and synchronize profes-

sional video equipment for animation, video

editing, high-definition television (HDTV),

and broadcast television production. Uses

V-LAN software as control protocol.

VTR Acronym for videotape recorder.

VU meter Volume unit meter. An instrument

used to measure audio levels.

VVV Acronym for Video-Video-Video. A pre-

view mode that shows a previously recorded

scene, the new insert video, and the adjacent

scene after the inserted video. Most common

form of preview on linear edit systems.

WAVE RIFF Waveform Audio File Format. A

widely used format for audio data.

wild lines Dialogue that is recorded without

the camera rolling.

wild sound Sounds that are recorded without

the camera rolling.

window dub Refers to character-generated

numbers superimposed on video and telecine

transfers. Typical window dubs could include

video timecode, audio timecode, and key

numbers.

wipe A shaped transition between video

sources in which a margin or border moves

across the screen, wiping out the image of

one scene and replacing it with another.

workprint Positive prints (workprint) of film

created from the original camera negative

(OCN). Usually consist of only the takes

that the director orders printed. (Hence the

director’s on-location phrase, “Print it!”)

Workprint is disposable and used for editing.

It gets cut, hung in a bin, spliced and unspliced

together, cursed at, and abused. If destroyed,

it can be reordered from the lab. If additional

takes need to be printed, the editor can order

them from the lab.

X axis The horizontal axis in a three-

dimensional graph or system.

Y The luminance signal of the component

color system in the National Television Stan-

dards Committee (NTSC) video standard.

The signal is composed of the following pro-

portions of red, green, and blue:

0.299R + 0.587G + 0.114B

Y axis The vertical axis in a three-dimensional

graph or system.

Y, R–Y, B–Y The luminance and color difference

signals of the component color system in the

NTSC video standard.

yellow One of the subtractive primaries that

absorbs blue light and transmits green and

yellow light.

Z axis The zooming axis that is perpendicular

to the X and Y axes in a three-dimensional

system.

zero-duration dissolve The method of editing

two scenes end-to-end simultaneously within

a single edit.

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