Video Production and Editing - Glossary of Terms



We've combined some of the most common video production, film production and post production terms in this glossary.
Terms are grouped alphabetically - Please select from the list below.



A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


L


Lab Roll - A large roll (usually up to 1,000 feet) made up of camera rolls joined together by the lab for printing.

Latent Edge Numbers - Precisely, the edge numbers on film, and not inked-on code numbers.

Leading - The space between lines of text.

Lens Flare - It is caused when light strikes the lens and either causes the entire image to be fogged in appearance, or for a little row of polygons (the silhouette of the iris) to appear from the light hitting the surfaces of the many elements in the lens. It is solved by flagging the lens.

Linear Editing - The traditional form of tape based video editing.

Lip Sync - Another way of saying sound sync.

Location Sound - This is the sync sound, or any other sort of wild track or room tone that was recorded at the shoot.

Log - The numbers, either SMPTE or computer generated (for video that doesn’t contain SMPTE timecodes), that Edit systems use to identify media and video lips. The log can also includes additional information, such as tape identifiers and clip duration.

Long Lens - A lens with a focal length greater than 25mm in 16mm, or 50mm in 35mm.

Long shot (LS) - Camera view of a subject or scene from a distance, showing a broad perspective.

Low Con Print - A low contrast print specifically for transfer to video, which favors less contrast in the transfer process.

Luma Key filter - A filter in post production that allows the areas of light or dark in a clip to be made transparent, revealing the background clips in those regions.

Luminance - Black and white portion of a video signal representing picture contrast and brightness.