A Glossary of AV/IT Terms
2K/4K (digital cinema)—Shorthand for 2K video (most often resolutions of 2,048 × 1,536 or 2,048 × 1,556 pixels) and 4K video (most often resolutions of 4,096 × 2,160 or 4,096 × 1,714) usually at frame rates of 24p or multiples.
24p—Video format at 24 progressive (not interlaced) frames per second. It is based on the traditional film rate of 24 FPS.
3:2 pull down—The process of converting 24 frame per second film to 60 (59.94 actually) fields per second video by repeating one film frame as three video fields and then the next film frame as two fields. The actual order is 2, 3, so 2:3 is more accurate but the principle is the same.
4:2:2 (4:4:4, 4:1:1, 4:2:0)—Common designations for pixel sampling relationships in a digital ...
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