... so I'm not sure which one this entry is referring to. Since the films are experimental in nature and not meant to entertain they are impossible to rate. The ones that I know of that exist are the one that he made to test his quartz covered slit and also the one named "zoephone test" that was just a general test of his sound on film system with Case reading a newspaper. Case has a high pitched voice in these films, and that was a side effect of his sound on film system that he was trying to remedy during his years of experimentation.
Case had spent several years supplying Lee DeForest with inventions for his sound on film system, but DeForest never gave Case any credit in his public demonstrations of his system. Splitting from DeForest, Case began his own separate experimentation on sound on film systems. He worked with Fox Studios to perfect what came to be known as his Movietone system and, even before the Jazz Singer, Fox was sending their Movietone newsreel teams out into the field. Case's system did not have all of the synchronization problems that Warner Brothers' Vitaphone sound on disc system had, and by 1930 it had supplanted it as the means by which sound is synchronized on film.
Case had spent several years supplying Lee DeForest with inventions for his sound on film system, but DeForest never gave Case any credit in his public demonstrations of his system. Splitting from DeForest, Case began his own separate experimentation on sound on film systems. He worked with Fox Studios to perfect what came to be known as his Movietone system and, even before the Jazz Singer, Fox was sending their Movietone newsreel teams out into the field. Case's system did not have all of the synchronization problems that Warner Brothers' Vitaphone sound on disc system had, and by 1930 it had supplanted it as the means by which sound is synchronized on film.
