Film & Broadcast Glossary
Film & Broadcast is about telling stories – whether fiction or factual. This combines high standards of training in production skills to make programs – dramas and documentaries for radio, television and cinema
Film & Broadcast
Interlock Projector
A projector used to reproduce the picture while synchronized sound is played back on an accompanying machine or other linked sound device. (Film Editing)
Film & Broadcast
Intermediates
A general term for color masters or duplicates.
Film & Broadcast
Intermodulation Distortion
An amplitude change in which sum and difference tones (harmonics) are present in the recorded signal. (Acoustics)
Film & Broadcast
Internegative
A color negative duplicate made from a color positive. Internegatives are used for release printing in order to protect the original negative from damage.
Film & Broadcast
Interpositive
Any positive duplicate of a film which is used for further printing.
Film & Broadcast
Invisible Cut
A cut made during the movement of a performer which is achieved by overlapping the action or by using two cameras, then matching the action during editing. (Film Editing)
Film & Broadcast
IP/IN
The process of making a new negative of a film by striking an interpositive and then, from that, striking a new negative (internegative). (Laboratory)
Film & Broadcast
Iris
A variable aperture that controls exposure or the amount of light which is released from a lighting unit. (Camera/Lighting)
Film & Broadcast
Iris Wipe
A wipe effect in the form of an expanding or diminishing circle.
Film & Broadcast
J-Lar
A transparent tape which is used to splice jels together. (Grip/Lighting)
Film & Broadcast
Jam Sync
A process of locking a time code generator to an existing coded tape in order to extend or replace the code, used when code is of poor quality.
Film & Broadcast
Japanese Lantern
A paper-covered wire frame globe into which a socket and bulb may be placed. (Lighting)
Film & Broadcast
Jib Arm
A mechanical are which is supported on a dolly, tripod, or other device, which is counterweighted to hold a camera for an increased range of motion. (Production)
Film & Broadcast
Juicer
An electrician.
Film & Broadcast
Jump-Cut
An editorial device where the action is noticeably advanced in time, either accidentally or for the purpose of creating an effect on the viewer. (Film Editing)
Film & Broadcast
Junior
A 2K fresnel light unit. It may also mean any 1 1/8 inch spud or mounting pin or any 1 1/8 inch female receiver. (Grip)
Film & Broadcast
K
Kelvin, the unit of measurement used for absolute temperatures and color temperatures.
Film & Broadcast
KEM
A brand name for a common ‘flatbed’ film editing machine. (Film Editing)
Film & Broadcast
Key Grip
The chief grip who works directly with the gaffer in creating shadow effects for set lighting and who supervises camera cranes, dollies and other platforms or supporting structures according to the requirements of the director of photography. (Production)
Film & Broadcast
Key Light
The main light on a subject. (Lighting)
Film & Broadcast
Key Numbers
Numbers placed on the edge of the film stock by the manufacturer as a unique identification point (35mm – every 16 frames: 16mm – every 20 frames). (Film Editing)