Pyro Industries API-1394PCI Bedienungsanleitung PDF herunterladen (Seite 312)

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■ GLOSSARY

absorption The retention of light without

reflecting or transmitting.

Academy leader A leader placed at head of

release film prints, counting from 11 to 3.

As opposed to SMPTE (Society of Motion

Picture and Television Engineers) leader.

achromatic Having no color; gray, white, or

black.

A/D converter Acronym for analog-to-digital

converter. A device that transforms an analog

signal to digital samples.

adaptation The process of the human visual

system’s adjustment to light and color condi-

tions in which the eyes are exposed.

add edit A function on the Avid Control

palette that, when added between consecu-

tive frames in a sequence segment within the

Timeline, can separate segments into subsec-

tions for individual manipulation.

additive color A color formed by adding a

mixture of primary light sources: red, green,

and blue.

ADO Acronym for Ampex Digital Optics. A

video digital effects system manufactured and

sold by Ampex.

ADR Acronym for automated dialog replace-

ment in film. Also called looping.

AES/EBU Acronym for Audio Engineering

Society/European Broadcasting Union.

AIFF-C Acronym for Audio Interchange File

Format-Condensed. A sampled-sound file

format for audio data.

ALE Acronym for Avid Log Exchange: a for-

mat used for converting telecine files. Also

an application for converting telecine files

created by Avid Technology. ALE is used as

a log import format for Avid and other non-

linear editors (NLEs).

alpha channel An 8-bit, grayscale representa-

tion of an image that determines masked areas

for keys. Also referred to as hi-con, holdout,

cookie cutter, key channel, and mask.

ambience A production sound used where

there is no dialog to establish a setting. More

traditionally, ambience refers to outdoor

locations, and room tone refers to interiors.

Also referred to as room tone or presence.

A-mode A linear method of assembling an edit

decision list (EDL). In an A-mode EDL

assembly, the editing system performs edits in

the order in which they will appear on the

master.

analog A continuously variable electrical signal.

analog recording A common form of magnetic

recording, in which the recorded waveform

signal is transferred electronically via an ana-

log signal to media.

anti-aliasing A computerized process of digi-

tally smoothing the jagged lines around

lower-resolution graphic objects or titles. Anti-

aliasing is usually achieved by blending pixels.

ASA An exposure index defined by the Ameri-

can National Standards Institution. Originally

defined for black-and-white films, it is also

used for color films.

Glossary

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