bn:03247893n
Noun Named Entity
Categories: Film and video technology, Academy Award for Technical Achievement winners, History of film, RCA brands, Movie film formats
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RCA Photophone  RCA Photophone System  Westrex
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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. Wikipedia
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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. Wikipedia
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