Film: 7139

Media | 1920 | Sound | B/W


Lee de Forest early sound film.
Man sits at a desk and explains how De Forest's sound film works and how he has solved the problem of synchronising sound and image. It is 'fool proof' he says. He gets a piece of film out of his desk drawer and says 'this is a piece of de Forest's film'. Close up of his hand holding the film, he points to the soundtrack on it. He then goes on to explain how synchronism cannot be lost and the commercial benefits, however in second half of film it does appear to be slightly out of sync.

(3 mins 52 secs)

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