Sound Recording and Reproduction (1943)

15 Feb
Director N/A
Producer Encyclopaedia Britannica Films
Contributors N/A
Length 11 min.
B&W/Color B&W
UO Library Catalog description: “Through animated drawings explains the principles of recording and reproducing sound on film. Through demonstrations reveals the functions of the microphone and the light valve and shows how the motion picture projector reproduces sound from a sound track.”
Call # FILM Ma58
Genre Instructional
Rare YES
Online YES
Copyright status Public Domain
Physical condition Fair
Oregon-related No

Notes:

This film is available from Archive.org courtesy of the Prelinger Archives. A transcript of the film can be found here.

The film is extremely technical, and details the mechanics of recording equipment through animation. While the equipment is contemporarily archaic, the principles applied might still be useful to filmmakers and audio recorders today. Interestingly, the end of the film projects waveforms of orchestral music to demonstrate what sound “looks” like—the feeling of which is reminiscent of Disney’s Fantasia (1940).

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