Liberty Hall (film)

Liberty Hall is a 1929 short film produced by Lee De Forest using his Phonofilm sound-on-film process. The film features segments of Al Bernard singing and playing the banjo, as well as a short dramatic sketch. The short is notable for being one of the few surviving examples of the Phonofilm process, offering a glimpse into early sound film technology. It is considered a significant piece of film history, documenting a key transitional period in the development of cinema. The film is relatively obscure, but film archives and researchers value it for its historical significance.