Movies for TV - Early Television Foundation

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perforation
FUNDAMENTALS
The small holes at the sides of film in which the
sprocket teeth engage to pull the film through the equipment.
picture editing The very necessary action of composing the film
to be presented from the conglomeration of scenes which
have been shot. A highly skilled job which pays well. A poor
editor can ruin a producer, and in any case a producer is only
as good as his editor.
picture gate The opening in front of the projector
or camera
lens across which the film passes as it is exposed.
process shot The use of a scene, either still or moving, as a back-
ground for action. A translucent screen is used, and the picture
projected from behind.
racking control See out of frame.
RCA sound system A system of sound recording in which a var-
iable area is used to convert light to sound. The sound picked
up by the microphone is caused to operate a mirror galvanometer
which exposes a varying area of film to the record-
ing light. The greater the sound-intensity, the greater the area
exposed. This system has a characteristic appearance
sound track; it looks like a series of very small triangles.
to the
resolution The degree of detail in the reproduction after a pic-
ture has been transmitted through the system. It is related
directly to the amount of information the system can transmit.
rim light A light placed in a television film camera to prevent
flare in the picture due to the sudden change in the electron
emission at the edge of the mosaic. It may also refer to a light
used from behind an object to produce depth by making it
stand out from its background by rimming it with light.
roll 'em Slang for the order given by
the director when he is
ready to commence filming; it refers to the sound and picture
cameras.
scanning The action of the beam of electrons in the camera or
receiving equipment in sweeping the mosaic or screen from