| Gaffer |
Production crew technician responsible for placement and rigging of all lighting instruments. |
| Gaffer's Tape |
Similar to duct tape, but vastly superior. Used extensively in film and video production. |
| Gain |
Video amplification, signal strength. "Riding gain" means varying controls to achieve desired contrast levels. |
| GB |
(Gigabyte) Giga- is a prefix that means one billion, so a Gigabyte is 1,000,000,000 bytes. Most commonly used to measure hard disk space. |
| Gel |
Colored material placed in front of a light source to alter its hue. Useful for correcting mismatches in lighting, as in scenes lit by both daylight and artificial light. |
| Gel Cell |
A type of lead acid battery in which the electrolyte solution comes in gel form instead of liquid. |
| Generation |
Relationship between a master video recording and a given copy of that master. A copy of a copy of the original master constitutes a second-generation duplication. |
| Generation Loss |
Created when editing or copying one analog videotape to another videotape. Most apparent in less expensive video formats. Theoretically absent from digital video editing. |
| Genlock |
A system whereby the internal sync generator in a device, such as a camera, locks on to and synchronizes itself with a separate incoming signal. |
| Genlock/Encoder |
Device which allows computer text and graphics to be recorded or superimposed on video. Also includes a fader to fade video or computer graphics. |
| Ghosting |
Undesirable faint double screen image caused by signal reflection or improperly balanced video circuitry. "Ringing" appears as repeated image edges. |
| giraffe |
A small boom that consists of a counterweighted arm supported by a tripod, which itself is usually mounted on casters or wheels. |
| Glitch |
Momentary picture disturbance. |
| glitch |
Momentary picture disturbance. |
| Gofer |
Film or video production assistant often sent to "Go for" coffee or other essentials. |
| Grain |
Blanketed signal noise viewed as fuzziness, unsmooth images -- attributable to luminance inadequacies. |
| Graphic/CG/ Animation |
This can be one of the many graphic, animation or text formats (.tif, .tga, .jpg, .pix, etc.) plus you could have a proprietary or user defined essence and a physical essence source such as videotape. |
| Green Book |
See compact disc standards |
| Grid Electricity |
that comes from a utility and is inexpensive and can come from a renewable resource. |
| Grip |
Production crew stagehand responsible for handling equipment, props, and scenery before, during, and after production. |
| Gross Vehicle Weight (GVW) |
The maximum allowable weight of the vehicle and payload. |
| Ground Fault Interrupter (GFI) |
Breaks the current flow when a circuit has a leak to ground. |
| group master fader |
A volume control on an audio board that handles a subgroup of input channels before they are sent to the master fader. |
| Group Size |
The set of standard external dimensions for batteries set by the BCI. |
| Guerrilla Producer |
One who produces an effective video on a shoestring budget. |