Then the idea would be to connect the kinematoscope with the phonograph and to synchronize them so completely that with every visible movement of the lips the audible sound of the words would leave the diaphragm of the apparatus.

All who devoted themselves to this problem had considerable difficulties and when their ventures proved practical failures with the theater audiences, they were inclined to blame their inability to solve the technical problem perfectly.

They were not aware that the real difficulty was an esthetic and internal one.

Even if the voices were heard with ideal perfection and exactly in time with the movements on the screen, the effect on an esthetically conscientious audience would have been disappointing.

A photoplay cannot gain but only lose if its visual purity is destroyed.
If we see and hear at the same time, we do indeed come nearer to the real theater, but this is desirable only if it is our goal to imitate the stage.