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RCA Photophone

Код 2389717

  • ISBN: 978-5-5111-8297-1

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High Quality Content by WIKIPEDIA articles! RCA Photophone was the trade name given to one of four major competing technologies that emerged in the American film industry in the late 1920s for synchronizing electrically recorded audio to a motion picture image. RCA Photophone was a sound-on-film, "variable-area" film exposure system, in which the modulated area (width) corresponded to the waveform of the audio signal. The three other major technologies were the Warner Brothers Vitaphone sound-on-disc system, as well as two "variable-density" sound-on-film systems, Lee De Forest`s Phonofilm, and Fox-Case`s Movietone.

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ISBN: 978-5-5111-8297-1

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Теория машин и механизмов ГОСТы, стандарты Искусствоведение

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