Phonofilm

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T3DS8A4CKDG
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Geliefert zwischen Mi., 25.02.2026 und Do., 26.02.2026

Details

High Quality Content by WIKIPEDIA articles! In 1919, Lee De Forest, inventor of the audion tube, filed his first patent on a sound-on-film process, DeForest Phonofilm, which recorded sound directly onto film as parallel lines. These parallel lines photographically recorded electrical waveforms from a microphone, which were translated back into sound waves when the movie was projected. Some sources say that DeForest improved on the work of Finnish inventor Eric Tigerstedt -- who was granted German patent 309.536 on 28 July 1914 for his sound-on-film work -- and on the Tri-Ergon process, patented in 1919 by German inventors Josef Engl, Hans Vogt, and Joseph Massole.

Weitere Informationen

  • Allgemeine Informationen
    • Titel Phonofilm
    • Format Sachbuch
    • EAN 9786130507008
    • Herausgeber Betascript Publishing
    • Anzahl Seiten 104
    • Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
    • Genre Musik, Film & Theater
    • GTIN 09786130507008

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