Patent Nr. 314805

Patent Nr. 314805 (2020)

Documentary2 minutes
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Description

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.

Mika Taanila
Director, Writer
Jussi Eerola
Writer

Actors

Status

Released

Original language

Finnish

Budget

—

Revenue

—

Keywords
early sound film