Loop Projectors and Optical Sound

Frank P. Brackett, Paul Galanis, Armand Paul, William Newbern, Douglas Fletcher

The technical processing specifications for super 8 optical sound along with the characteristics of the sound system in the Technicolor loop cartridge projector is described. The channels available for preparing super 8 from various types of negatives (65mm, 35mm, 16mm sizes and 133, 185 and other aspect ratios) are discussed in detail. The use of super 8 in education, the capability film has to increase visual literacy and reduce the signal-to-noise ratio in the process of transmission of learning sequences are outlined. The situation regarding optical or magnetic, sound film standards by markets and equipment trends are reviewed. A live on-screen super 8 comparison to 16mm is presented.

Published
1969-10
Content type
Original Research
DOI
10.5594/M00931
ISBN
978-1-61482-902-7