A New Romance of Celluloid: The Miracle of Sound
- Sena: 1940
- Pajjiż: United States of America
- Ġeneru: Documentary
- Studio: Metro-Goldwyn-Mayer
- Kelma ewlenija: behind the scenes, audio recording, sound waves, promotional film, movie studio, short film, sound recorder, sound
- Direttur: Douglas Shearer
- Kast: Douglas Shearer, Greer Garson, Clark Gable, Hedy Lamarr, Spencer Tracy, Norma Shearer