Patent Nr. 314805

Finnish engineer Eric Tigerstedt solved the dilemma of sound-on-film already before the First World War. All images and sounds in this short film are produced from the surviving test materials originally created in 1914.

Country:

Finland

Genre:

Documentary

Duration:

2 minutes

Year:

2020

Director:

Mika Taanila

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Company:

Elokuvayhtiö Testifilmi

Cast:

Crew:

Director

Writer

Writer