Magnetic Sound Tracks For Small Movie Cameras
A new process developed in the United States for recording sound on films is expected to be widely used in the making of professional and amateur motion pictures. Called magnetic recording, it makes possible the synchronisation of sound with motion pictures taken on 8 mm. and 16 mm. films. Heretofore, sound has been used most generally with the 35 mm. used by the motion picture industry. The new sound process for film is the work of experts at the Armour Research Foundation of Chicago. A special magnetic track or tape is attached along the edge of the film. Sound can be recorded on the tape at the time the motion pictures are being taken, or later after the film has been* exposed. The magnetic track on the edge of the film is not ‘harmed by chemical processing of the film. An important feature of the new process is that the sound recorded on the magnetic track can be “erased” and replaced by new and different sounds on the same track. Under methods now used, new sound cannot be substituted for the original sound.
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https://paperspast.natlib.govt.nz/newspapers/BPB19500215.2.41
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Bay of Plenty Beacon, Volume 14, Issue 98, 15 February 1950, Page 7
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190Magnetic Sound Tracks For Small Movie Cameras Bay of Plenty Beacon, Volume 14, Issue 98, 15 February 1950, Page 7
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