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N

Negative: ( 1) For a black-and-white image those tonal values which are the opposite of those in the original subject. (2) For a color image, those color values which are the complement of those in the original subject. (Film Editing)

Nets:
A bobbinet on a frame used to cut lighting intensity by either a half stop or full stop. (Grip/Lighting)

Neutral Density (ND):
Colorless filters that reduce the amount of light in controlled degrees. (Camera/Lighting)

Noir:
Usually refers to the classic black and white film noir style used in detective mysteries, typically employing hard lighting and dark, low key lighting. (Camera/Lighting)

Noise:
In audio systems, noise is the electrical interference or other unwanted sound introduced into the system (i.e. hiss, hum, rumble, crosstalk, etc). (Sound)

Notch:
A recess on the edge of a piece of film which automatically triggers a mechanism effecting some modification of the duplication process, commonly a change of exposure light intensity. (Film Editing)

NTSC:
National Television Standards Committee. The organization that sets the American broadcast and videotape format standards for the FCC. Color television is currently set at 525 lines per frame, 29.97 frames per second.

O

Obie: An eyelight mounted on the camera. (Lighting)

Octave:
The interval between two sounds having a basic frequency ratio of 2 to 1. (Sound)

Offline:
The videotape editing process whereby the final edit list is compiled, usually in a more inexpensive edit room, in preparation for the on-line edit. (Video)

Off-Scale:
Outside the range of the standard light values of a printer. (Laboratory)

One-Light Print:
A print made with a single printer light setting for all shots in the film being printed. A common method to produce a 'daily' color print. (Laboratory)

Online:
The videotape editing process that creates the final video edit master, including effects, from the offline edit list. (Video)

Opacity:
The ratio of the amount of light falling on a surface to the amount of light which is transmitted. (Lighting)

Opaque Leader:
Any strip of flexible, optically opaque material used to space picture in A/B roll film cutting and editing. (Film Editing)

Optical Effects:
A laboratory or print procedure in which shots are modified by use of an optical printer. These are most commonly seen as fades and dissolves, however, it can include a wide range of special effects procedures. (Laboratory)

Optical Printer:
A printer in which an image of the original is transferred to raw film stock by means of light and a lens system. (Laboratory)

Optical Sound:
A sound track in which the recording uses variation of a photographic image.

Optical Stereo:
A film recording system replayed by scanning the stereo tracks by means of a photo cell lamp.

Outgoing Scene:
The first scene of a dissolve or wipe effect which changes into the second, or incoming scene.

Out-Take:
A take of a scene which is not used for printing or for the final assembly of a film.

Overlapping and Matching Action:
Repeating part of the action in one shot at the beginning of the next shot, or covering the action with two or more cameras, then matching the overlaps on the editing table for the purpose of making a smooth cut on action. (Film Editing)


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