Vitaphone

In 1926, Warner Bros. introduced a process to cinemas that played sound discs and filmstrips synchronously – coupled via electrical impulses. This was Vitaphone. Not the first idea of its kind, but the first that worked economically and became established. The disc ran on a separate machine; an electrical synchronization mechanism kept the film and sound coupled. Theoretically elegant, practically treacherous: a slip, a gear error, and the synchronization was gone.

For set work, Vitaphone meant a revolution – and a horror. During shooting, work had to be done with closed sets, strict sound design, and precisely choreographed movements. The sound was not synchronized afterward; it had to be created live at the moment of recording or played back onto the disc. The band or singers played during the camera recording, or their performance was recorded beforehand and then played as a background – a hybrid system that demanded re-synchronization. Some scenes were shot multiple times to achieve perfect alignment.

The Jazz Singer (1927) was not Vitaphone's invention, but its commercial proof. Al Jolson's unctuous voice over the orchestral music – the audience wanted to see that. However, the technology remained prone to errors. In cinemas, discs fell out, pick-ups jumped, synchronization drifted. Studio masters sat next to the projection machines, waiting for disaster.

Vitaphone disappeared as quickly as it arrived – around the mid-1920s, supplanted by the optical sound process, which imprinted sound directly onto the filmstrip. No disc changes, no external machine, no synchronization accidents. For film history, Vitaphone remains a transitional system: not primitive, but inconvenient. For the cinematographer of that era, it was a constraint – no mobility, no wild takes, everything timed like an opera recording. This left its mark on the aesthetic of early sound films: static, neat, loud.