DJ Mixer / Cross Fader, 1910 | Retronaut
he Gaumont Chronophone System synchronised sound and film at the Gaumont Palace in Paris. The volume was enough for an audience of 4000. Initially the longest film which could have synchronised sound was 200ft due to the limited playing time of a record. Gaumont surmounted this problem by having two record decks; a skilled operator could switch between them to give a more or less continuous soundtrack.”
