Charlie in City Lights c.1931
Though categorized as a silent, City Lights is really considered a sound crossover film. While still using intertitles for dialogue, the movie has a synchronized soundtrack,  sound effects and unintelligible noises that match some conversation visuals throughout.

Charlie in City Lights c.1931

Though categorized as a silent, City Lights is really considered a sound crossover film. While still using intertitles for dialogue, the movie has a synchronized soundtrack,  sound effects and unintelligible noises that match some conversation visuals throughout.