This week’s Retrotechtacular is a 1943 Encyclopædia Britannica film focusing on optical sound reproduction for motion pictures. Both the sound and the images are recorded on film, which is only ...
This week’s Retrotechtacular is a 1943 Encyclopædia Britannica film focusing on optical sound reproduction for motion pictures. Both the sound and the images are recorded on film, which is only ...
The use of optical sound-on-film recording on early movie films revolutionized the motion picture industry and remained the standard method of audio recording in that medium for more than 80 years.
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