Sound film
The primary steps in the commercialization of sound cinema were taken in the mid- to late 1920s. At first, the sound films which included synchronized dialogue, known as "talking pictures", or "talkies", were exclusively shorts. The earliest feature-length movies with recorded sound included only music and effects. The first feature film originally presented as a talkie was "The Jazz Singer", released in October 1927. A major hit, it was made with Vitaphone, which was at the time the leading brand of sound-on-disc technology. Sound-on-film, however, would soon become the standard for talking pictures.
Eugene Augustin Lauste
He joined the American Biograph Company in 1896 and remained there for four years before moving to Brixton, England. In 1904 he prepared his first sound-on-film model. On August 11, 1906 he (along with Australian Robert R. Haines and Briton John S. Pletts) applied for a British patent; their application was granted patent No. 18057 in 1907 for "a process for recording and reproducing simultaneously the movements or motions of persons or objects and the sounds produced by them," i.e., a strip of 35 mm celluloid film containing both image frames and a sound strip. In 1911 he exhibited a sound film in the United States, possibly the first-ever American showing of a movie using sound-on-film technology. Before he could market his system more widely, though, World War I intervened.