Léon Gaumont presents a film projector at the Universal Exposition in Paris that synchronizes the images with the sound from a flat disc.


Canadian inventor Reginald Aubrey Fessenden makes the first audio radio broadcast in the world.

Lee De Forest invents the triode, the first electronic system for amplifying and controlling the volume of sound.

The Victor Talking Machine Company begins selling the Victrola, a new family of phonographs that were concealed inside a wooden piece of furniture.