academy ratio

(from the article `motion picture`) Several different ratios of frame width to frame height, called `aspect ratios,` have been used in motion pictures. The most common, known as the ...
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Academy ratio

The Academy ratio of 1.375:1 (abbreviated as 1.37:1) is an aspect ratio of a frame of 35mm film when used with 4-perf pulldown. It was standardized by the Academy of Motion Picture Arts and Sciences as the standard film aspect ratio in 1932, although similar-sized ratios were used as early as 1928. == History == Silent films were shot at a 1.33 as...
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