<P> The business was established at Western Electric 's Bell Laboratories in New York City and acquired by Warner Bros. in April 1925 . Warner Bros. introduced Vitaphone on August 6 , 1926 with the release of their silent feature Don Juan , which had been retrofitted with a symphonic musical score and sound effects . There was no spoken dialog . The feature was preceded by a program of short subjects with live - recorded sound , nearly all featuring classical instrumentalists and opera stars . The only `` pop music '' artist was guitarist Roy Smeck and the only actual `` talkie '' was the short film that opened the program : four minutes of introductory remarks by motion picture industry spokesman Will Hays . </P>
<P> The business was established at Western Electric 's Bell Laboratories in New York City and acquired by Warner Bros. in April 1925 . Warner Bros. introduced Vitaphone on August 6 , 1926 with the release of their silent feature Don Juan , which had been retrofitted with a symphonic musical score and sound effects . There was no spoken dialog . The feature was preceded by a program of short subjects with live - recorded sound , nearly all featuring classical instrumentalists and opera stars . The only `` pop music '' artist was guitarist Roy Smeck and the only actual `` talkie '' was the short film that opened the program : four minutes of introductory remarks by motion picture industry spokesman Will Hays . </P>
what was the first feature-length film to use vitaphone technology
what was the first feature-length film to use vitaphone technology
Don Juan
Don Juan