IA. See IATSE.
IATSE. International Association of Theatre Stage Employees and Motion Picture Machine Operators. The umbrella union for picture and sound editors, cinematographers, and all below-the-line crafts. Within the IA, locals are divided by craft. The Editors’ Guild is Local 700 and includes all picture and sound editors, assistants and apprentices as well as sound mixers and has taken in projectionists, story analysts, TDs, and videotape operators in recent years.
IEEE 1394. A high-speed digital interface standard created and developed by Apple Inc. that FireWire employs.
import. Bring a file into a digital editing system.
in point. Starting edit point.
ingest. News term for intake of media from a tape or live feed.
ink code. Code added to the edge of a film work print reel and its corresponding sound reel to give them a sync reference. Also referred to as Acmade code or edge code.
input, a.k.a. ingest. Copy media along with data into a digital system.
insert edit. In digital editing, a term for putting a clip into a sequence so that the edits to the right of it get pushed down the timeline and time is added to the sequence for the amount of the clip’s duration.
insert shot. Shot of some small but significant detail in a scene shot during postproduction on an insert stage or picked up on the set. Term used interchangeably with cutaway. Technically, an insert is filmed during the production phase.
inset. Effect where a reduced shot is placed on another shot, typically to highlight a detail of the main shot.
intercut. Taking two sequential scenes and cutting between them so that the scenes advance and complete together. Intercut scenes are either parallel action or cross cut scenes.
interlace. Type of videotape scanning that scans Field 1 (odd numbered lines) and then Field 2 (even-numbered lines). As opposed to progressive scanning. Also referred to as interleave scanning.
interleave. 1) A segmenting method for arranging data on a DVD for instance, to achieve more efficient storage. Like data types are stored close to each other (e.g. audio, video, or text) which when retrieved by the device, will be put back in correct order. 2) A video tape term referring to the way video fields are scanned, a.k.a. interlace. See also interlace.
interlock projector. A film projector that syncs (interlocks) a picture reel with a sound reel for a screening while the film is being edited. A regular projector runs a single reel because release prints are double system (sound and picture are on both on the reel).
intermediate. Negative film print made from negative originals used in the preparation of a positive master from which release prints can be struck as well as tape masters, DVDs, and digital cinema releases. An intermediate is also used as a recording film on laser recorders and CRT film recorders.
internegative. The IN is a spliceless, dupe negative made from the interpositive which is used to make release prints.
interpositive. An IP is a positive print on negative stock which is made from the cut negative and used to make opticals and reprints. It is part of the release print making process and sports an orange background with colors that are the reverse of the negative: white is black, red is green, etc.
invisible editing. Editing that is so smooth that viewers become engrossed in the movie and don’t notice the individual cuts.
IP. See interpositive.
ITU-R BT.601. International Telecommunications Union, the UN committee governing communication. The BT stands for Broadcast Television. The standard sampling standard for SD analog waveforms being converted into digital data. See also CCIR 601.