A Multilingual Audio-Visual System

Howard M. Tremaine, James W. Green, Glenn R. Osborn

An audio-visual system has been designed with a 16mm rear-projection system, electrically interlocked with a 16mm magnetic film reproducer which carries a four-language soundtrack. A selector switch and headphones at each seat in the auditorium permit the auditor to select the desired language.

Print ISSN
Published
1960-03
Content type
Information
DOI
10.5594/J10969
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