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Sound-on-film is a class of sound film processes where the sound accompanying a picture is recorded on photographic film, usually, but not always, the same strip of film carrying the picture. Sound-on-film processes can either record an analog sound track or digital sound track, and may record the signal either optically or magnetically .
The Pallophotophone utilized the entire width of unsprocketed 35-mm Kodak monochrome film to record and replay multiple audio tracks. Unlike Phonofilm, this optical sound technology used a photoelectric process that captured audio waveforms generated by a vibrating mirror galvanometer , and was the first effective multitrack recording system ...
The prototype sound camera imprinted the Digital audio and Analog audio 'at speed'. A companion digital reader was designed to form a complete system. After Sony received the prototype they enlarged the data bits from the original 8 micron (micrometer) size and moved the data locations; the eight digital audio channels are now recorded on (and ...
RCA Photophone was an optical sound, "variable-area" film exposure system, in which the modulated area (width) corresponded to the waveform of the audio signal. The four other major technologies were the Warner Bros. Vitaphone sound-on-disc system, as well as three "variable-density" sound-on-film systems, Lee De Forest 's Phonofilm , and Fox ...
Dolby Stereo is a sound format made by Dolby Laboratories.It is a unified brand for two completely different basic systems: the Dolby SVA (stereo variable-area) 1976 system used with optical sound tracks on 35mm film, [1] and Dolby Stereo 70mm noise reduction on 6-channel magnetic soundtracks on 70mm prints.
The audio would be switched at this time as well; the audio for a particular film frame appears 20 frames (about 15 inches) before the image, and so all film prints carry the first two to three feet of audio of the reel they precede at their tail, called a sound pullup (digital systems use different offsets before or after the image, which a ...
The other half of the light passes to the other side, through a 45-degree angle mirror and into a video camera tube. Because the camera dollies had to support two cameras—one conventional electronic image orthicon TV camera tube, and one 35mm motion picture camera—the system was bulky and heavy, and somewhat clumsy in operation.
A PA-302 General Precision Laboratories (GPL) kinescope (c.1950–1955). Its movie film camera, bolted to the top of the cabinet, used Kodak optics.. Kinescope / ˈ k ɪ n ɪ s k oʊ p /, shortened to kine / ˈ k ɪ n iː /, also known as telerecording in Britain, is a recording of a television program on motion picture film directly through a lens focused on the screen of a video monitor.