The term Sound-on-disc refers to a class of sound film processes using a phonograph or other disc to record or playback sound in sync with a motion picture. Early sound-on-disc systems used a mechanical interlock with the film projector, while more recent systems use timecode.
Sound-on-disc processes:
- Vitaphone introduced by Warner Brothers in 1926
- Phono-Kinema short-lived system invented by Orlando Kellum in 1921
- Digital Theater Sound
- early systems with the film projector linked to a phonograph, developed by Thomas Edison (Kinetaphone, Kinetaphonograph), Selig Polyscope, French companies such as Gaumont (Chronomegaphone and Chronophone) and Pathe, and British systems.
See also
- Sound film (includes history of sound film)
- Sound-on-film
- List of film formats
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