1926, Warner Bros. filmed the musical Don Juan (directed by A. crossland) starring J. Barrymore, with a record. 1927 10 year 10.6, The Jazz Singer with Singing, Dialogue and Voice, directed by A. crossland and starring A. Sheng Qiao, premiered again, which is the first feature film with sound in the world. 1928 On July 6th, Warner Company released 100% Audio Movie and Light of New York. Since then, audio movies have been fully promoted, and within one year, half of the cinemas in the United States have installed audio equipment; By 1930, all the feature films except Chaplin's silent films were audio films.
Among the directors, the earliest ones who adapted to the production of sound films and made creative films were: Applause by Ma Morian (1929), Dr. Jekyll and Mr. Hyde with subjective lens (1932), and All Quiet on the Western Front by Missideng (1930). Liu Bieqian's love review (1929) and smiling captain (193 1), Hallelujah of Victoria, K. (1930). Chaplin soon made his first sound film, Lights of the City (193 1).