Pyro Industries API-1394PCI Manuale Utente Scaricare il pdf (Pagina 335)

314

GLOSSARY ■

of horizontal and vertical color samples. A

fourth digit can be added to this notation to

indicate the alpha channel. Alpha channel

sampling, when used, always matches lumi-

nance sampling. Examples of subsampling

rates include 4:2:2, 4:4:4, 4:1:1, and 4:2:0.

subtractive color The color formed by the sub-

traction of light by absorption. CMYK pri-

maries work as subtractive colorants.

Super 16 A special formatting technique using

16mm film that creates an enlarged picture

area. Super 16 was originally designed to be

printed to 35mm film for release.

surround The area surrounding an image.

surround effect An effect that is caused by

brightness adaptation of surrounds where an

image is perceived as having lower or higher

luminance contrast.

sweetening Mixing sound effects, music, and

announcer audio tracks with the audio track

of the edited master tape, usually during the

mixing stages of a production. Also called

audio sweetening.

sync (synchronization) The process of maintaining

correct correlation between picture and sound.

sync pop A 1000 Hz tone emitted for one

frame 47 frames before a reel begins. Used to

establish sync with a Society of Motion Pic-

ture and Television Engineers (SMPTE)

leader “2” frame. Also called a 2-pop.

sync word The portion of Society of Motion

Picture and Television Engineers (SMPTE)

timecode that indicates the end of each frame

and the direction of tape travel. Can also

refer to timecode phase.

tail frame The last frame in a clip.

tail slate The slate information recorded at

the end of the take instead of at the begin-

ning; usually recorded with the slate upside

down. Tail slates are frequently used in docu-

mentaries in which the beginning of a shot is

spontaneous and there is no time to slate the

event.

tails out Film or tape wound on a reel with

the end of the media on the outside of the reel.

take Filming a single shot.

TBC Acronym for time-base corrector. An

electronic device that improves video signal

stability by correcting time-base errors

that are inherent on mechanical videotape

recorders.

telecine The process of transferring film to

videotape. A telecine maintains a consistent

relationship between film and video frames.

Not to be confused with a film chain, which

is not as accurate.

telecine log converter An application within

Trakker’s Slingshot matchback suite. Con-

verts telecine files to NLE-usable import files.

Could generically refer to all telecine log con-

verters as well, including Avid Log Exchange.

telecine logger A computer system used to

database the relationship between key code

from an original camera negative to video

timecode recorded on a telecine transfer

videotape.

1394 The international hardware and soft-

ware standard for transporting data at up to

400 megabits per second (Mb/s) (1394a) or

800 megabits per second (Mb/s) (1394b).

Also known as iLink (Sony trademark),

FireWire, or IEEE 1394.

three perf (3-perf) A 35mm system that

records a single frame using only three perfs

instead of the traditional four. Used mostly for

television production, three perf requires a

4440glos.qxd 11/8/05 7:24 AM Page 314

1 2 ... 330 331 332 333 334 335 336 337 338 339 340 ... 370 371

Commenti su questo manuale

Nessun commento