Pyro Industries API-1394PCI Manual de usuario descargar pdf (Pagina 316)

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■ GLOSSARY

CIE A

cronym for International Commission on

Illumination (abbreviated from its French title:

Commission Internationale de l’E

clairage); the

committee responsible for international rec-

ommendations for colorimetry. An organiza-

tion that defines color spaces; for example,

CIE LAB and XYZ tristimulus values.

circled takes Refers to method of circling takes

that the director wishes to print during pro-

duction. Takes are circled on camera and

sound reports as well as on facing pages in

the script supervisor’s notes. When referring

to the film, circled takes are also known as A

neg. Noncircled takes, not normally telecined,

are called B neg. These terms are not to be

confused with A roll and A/B roll methods of

conforming film.

CIS Acronym for color interchange standard,

a method of interchanging color values

between color spaces.

clapper The two striped sticks used on a slate

that aid in establishing sync on a shot. By

clapping the two sticks together, recorded

visually on film and aurally on audiotape,

visual and aural reference for sync can be

established on film.

clip Data that points to segments of source

material recorded or digitized into your non-

linear editor (NLE) system.

clip name A name given to a shot used in a

nonlinear editor (NLE) to identify it. Clips

are usually named after a scene and take

number, e.g., “16/1” for scene 16 take 1.

clipping In video, a condition in which the

variation of input luminance signals can pro-

duce no further variation of an output signal.

Usually occurs when brightness is overdriven,

causing little or no variation at the highest

point of luminance in the signal. In audio, a

type of distortion caused by excessive levels,

resulting in harsh, loud, and unpleasant

sound.

C-mode A linear method of assembling an edit

decision list (EDL). In C-mode EDL assem-

bly, the editing system performs edits by

source tape number and ascending source

CMX The most common format for edit deci-

sion lists (EDLs), CMX was the brand name

of one of the first computer-controlled editing

machines and a pioneer in nonlinear editing

machine development. CMX 3400 EDLs have

two audio tracks; CMX 3600 EDLs have four.

Originally a co-venture of CBS and Memorex.

CMYK An acronym for cyan, magenta, yellow,

and black (K) inks used in the subtractive

color process.

codec A compressor/decompressor, based

upon a specific compression scheme, such as

motion JPEG, MPEG, and so on. Codecs

come in both hardware and software form.

colorant A dye, ink, or other agent used to

create color to a material.

color balance The adjustment color signals to

produce the best quality image.

color bars A standard color test signal that is

recorded onto videotape as a reference for

video levels in the program content and then

adjusted during playback to achieve stan-

dardized imaging results.

color correction The process of adjusting film

colors using a color correction system. A

component of telecine and, more recently, of

nonlinear editing systems.

color encoding A numerical specification for

color information, usually device-dependent.

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