Pyro Industries API-1394PCI Bedienungsanleitung PDF herunterladen (Seite 330)

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■ GLOSSARY

phantom telecine A system that plays back

previously telecined films from a drive stor-

age array. Used for color correction on

motion pictures.

phosphors Materials on the screen of a cath-

ode ray tube that emit light to form an image

when irradiated by an electron beam.

picture leader Placed adjacent to SMPTE or

Academy leader, picture leader has informa-

tion written on it that consists of project

name, reel number, and running time.

pixel Contraction of “picture element.” A

single point of an image.

position indicator A vertical blue line that

moves in position bars and in the Timeline to

indicate the time location of the frame dis-

played in the monitor. In other applications,

frequently referred to as the play head or

CTI (current time indicator). Also known as

the blue position indicator, or BPI.

postroll A preset period of time during pre-

views when a sequence or other media will

continue to play past the out point before

pausing.

precomputes An effect stored as a media file.

Applications must precompute effects that

they cannot create during playback.

prelay The phase of audio postproduction

during which tracks are added to the master

before a final mix.

preroll The process of shuttling media to a

predetermined cue point (for example, six

seconds) so the media is stable when it

reaches a selected edit point, usually when

recording or digitizing from a video deck.

preview To rehearse an edit without actually

performing it.

primary color correction Color correction that

applies to every part of a video image, or to

every part of a video image that falls within

a defined range.

print A positive copy of a film negative.

process shot A shot photographed specifically

to be part of a special effect.

progressive media Media composed of whole

deinterlaced frames.

project Database that contains all your clips,

sequences, effects, and media file pointers.

project folder The folder containing an Avid

project.

protection master A copy or clone of a master

tape, usually made immediately after the

master has been recorded. It is used as a

backup if the master is damaged and also

can be used as a dubbing master.

pulldown A process in which extra fields are

added or “pulled down” during the conver-

sion of 24 fps material to 30 fps NTSC or

25 fps PAL videotape.

primaries The base colors used to make other

colors additively or subtractively.

radio frequency (RF) The high-frequency por-

tion of the electromagnetic spectrum used for

transmitting television and radio signals.

RAID Acronym for Redundant Array of Inde-

pendent Disks. A storage device standard

that helps to increase data speed and assist in

fault tolerance of data.

RAM Acronym for random-access memory.

Computer memory that is volatile.

random access The ability to move to a single

point instantly without having to shuttle.

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