Genre: Documentary
Runtime: 2 min
Average vote: 0
Release date: 2020-05-17
Director: Mika Taanila
Writer: Mika Taanila
Writer: Jussi Eerola
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.