Tigerstedt's early film sound experiment Trailer (1914)
16 June 1914 Factual, Music 3 mins
The inventor experimented with different sound film methods and apparently screened the world’s first usable sound films in Berlin in 1914 and Copenhagen in 1915. Some of these synchronized sound-on-film images survive.
Watch the official Tigerstedt's early film sound experiment 1914 trailer in HD below.