Patent Nr. 314805
fi
PG-13
...
May 2020
Documentary
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.
Runtime:
2 minutes
Status:
Released
Original Language:
Spoken Languages:
Production Countries:
Budget:
N/A
Revenue:
N/A
Director:
Mika Taanila