Sound film
Videos
A sound film is a motion picture with synchronized sound, or sound technologically coupled to image, as opposed to a silent film. The first known public exhibition of projected sound films took place
1908 poster advertising Gaumont's sound films. The Chronomégaphone, designed for large halls, employed compressed air to amplify the recorded sound.
Image from The Dickson Experimental Sound Film (1894 or 1895), produced by W.K.L. Dickson as a test of the early version of the Edison Kinetophone, combining the Kinetoscope and phonograph.
Eric M. C. Tigerstedt (1887–1925) was one of the pioneers of sound-on-film technology. Tigerstedt in 1915.
Poster featuring Sarah Bernhardt and giving the names of eighteen other "famous artists" shown in "living visions" at the 1900 Paris Exposition using the Gratioulet-Lioret system.
Tri-Ergon
Videos
The Tri-Ergon sound-on-film system was developed from around 1919 by three German inventors, Josef Engl, Joseph Massolle, and Hans Vogt.
Tri-Ergon memorial plaque for Vogt Massolle Engl pioneers of optical sound technology Berlin
Plaque at the site of the former Alhambra theatre on Kurfürstendamm, Charlottenburg, Berlin, commemorating the first public showing of sound films in 1922 by Engl, Massolle, and Vogt (in German).
William Fox in 1921
Hanns Eisler in uniform in 1917