F
 

Facsimile transmission:

The process of converting graphic images into electronic signals.

 

Fade

An optical effect in which the image of a scene is gradually replaced by a uniform dark area or vice versa.

 

Fall time

The length of time during which a pulse decreases from 90 to 10 percent of its maximum amplitude.

 

Fan-out (fanout) (noun)

The number of parallel loads within a given IC logic family that can be driven by a single output of a logic device.

 

FAST

The camera assistant's motto. Everything he/she must do before each shot (Focus, Aperture, Shutter, Tach). (Camera)

 

FAY

A 650 watt PAR light with daylight balance dichroic fliter. (Lighting)

 

Feed

A television signal source.

 

Feed Lines

Lines of dialogue which are read outside camera range for the benefit of an 'on camera' or 'on microphone' actor or voice over artist.

 

Fiber bundle

A group of parallel optic fibers contained within a common jacket. A bundle may contain from just a few to several hundred fibers.

 

Fiber optics

Use of optical cable to transmit images or signals in the form of light around corners and over distances with extremely low losses.

 

Fill Leader

Film leader used to fill in the blanks in picture workprint. (Film Editing)

 

Film Base

The flexible, usually transparent support on which photographic emulsions and magnetic coatings are carried. (Film Editing)

 

Film rip:

See Rip film.

 

First generation

The first copy of a videotape. A copy of that copy is termed second generation.

 

First Play

First Play -- Identifies the first element to be played when a DVD is first inserted in a player. Typically, an introductory sequence such as a copyright notice or the main disc Title menu. See also Title menu.

 

Flat:

An assembly of negatives taped to masking materials for platemaking.

 

Flatbed

A modern film or sound editing system where reels are laid horizontally on "plates" on a mechanized table with sound and picture heads.

 

Flicker

The alternation of light and dark which can be visually perceived.

 

Flip-flop

A video transition where the sources selected ton the program and preset buses exchange places at the end of the transition.

 

Float

Periodic vertical movement of the image which occurs as a result of mechanical faults in the camera, printer, or projector.

 

Flood

The widest beam spread on a lensed light. (Lighting)

 

Flood:

To cover a printed page with ink, varnish, or plastic coating.

 

Flop:

The reverse side of an image.

 

Flop-over

An optical effect in which the picture is shown reversed from left to right.

 

Flutter

The rapid period variation of frequency caused by unsteadiness of the film or tape drive. (Sound)

 

Flux

An amount of light which is present as measured in lumens.

 

Foamcore

Polystyrene which is sandwiched between paper. It is used to relectors, soft boxes, and other items because it is stable and easily cut. (Grip/Lighting)

 

Focus Pull

The refocusing of a lens during a shot to keep a moving subject in focus or to change the person or object of attention. (Cinematography)

 

Fog Level

The minimum density of the unexposed area of processed film.

 

Foil emboss:

Foil stamping and embossing a image on paper with a die.

 

Foil stamping:

Using a die to place a metallic or pigmented image on paper.

 

Foil:

A metallic or pigmented coating on plastic sheets or rolls used in foil stamping and foil embossing.

 

Format

format -- To prepare storage media, such as CD or DVD discs for writing. Also, in DVD authoring, often used to describe packaging the DVD Volume directories and files from a layout into a single disc image file, ready to burn to a DVD disc. See also disc image, premaster.

 

Format

In television, the specific form of the signals that make up the video signal. For example, component versus composite format.

 

Four colour process

To reproduce colours on a printing press it would be impossible to print each individual colour with the correct colour ink. Therefore, the colours are broken down into tints of the three primary colours: magenta, yellow and cyan. In theory mixing these three colours should give black but, in practice, you get a dark muddy brown. So black is added as the fourth colour for text and contrast in pictures. By overprinting these four colours in varying degrees of tint, a wide range of colours of the spectrum can be reproduced.

 

Frame

The individual picture image on a strip of motion picture film. Also, one complete screen on videotape.

 

Frame

A complete video picture composed of two fields (two complete interlaced scans of the monitor screen). A frame consists of 525 interlaced horizontal lines of picture information in NTSC, 625 in PAL.

 

Frame Rate

The frequency at which film or video frames run (i.e. 24 fps; 29.97 Hz in NTSC; 25 Hz in PAL European format).

 

Freeze

In digital picture manipulators, the ability to stop or hold a frame of video so that the picture is frozen like a snapshot.

 

Freeze Frame

An optical printing effect in which a single frame image is repeated so as to appead stationary when it is projected.

 

Freeze frame

The storing of a single frame of video.

 

French fold:

Two folds at right angles to each other.

 

Frequency

The number of times a signal vibrates each second as expressed in cycles per second (cps) or Hertz (Hz). (Sound)

 

Frequency

The number of complete cycles of a periodic waveform that occur in a given length of time. Usually specified in cycles per second (Hertz).

 

Frequency Discrimination

Exaggeration or diminution of particular frequencies in relation to others. (Acoustics)

 

Frequency Modulation (FM)

Modulation of a sine wave or "carrier" by varying its frequency in accordance with amplitude variations of the modulating signals.

 

Frequency Response

This represents the sensitivity of a given sound, video, or other recording/playback system.

 

Frequency response

 

 

Fresnel

A stepped convex lens. It is most commonly used to descripe tungsten-incandescent lamps. (Lighting)

 

Front porch

The blanking signal portion which lies between the end of the active picture information and the leading edge of horizontal sync.

 

Full-Coat

Film which is coated with an iron oxide compound on which sound is recorded and from which sound is reproduced.

 

Fx

Effects.

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