How Talkies Talk
Movie
0.0 (0)
1934
Documentary
Documentary explaining how double bilateral variable area optical soundtracks are recorded onto film and played back in cinemas.
Cast:
Production:
Gaumont-British Instructional
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Source:
Documentary explaining how double bilateral variable area optical soundtracks are recorded onto film and played back in cinemas.
Cast:
Production:
Gaumont-British Instructional