Originally posted by Espionage724
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And 59.94hz is a remnant from analog TV days - it's double NTSC frame rate, which is 29.97fps, and interlaced. It's 59.94 fields per second, meaning every other scanline. When you interpolate 29.97 interlaced frames per second into individual progressive-scan frames, you end up with 59.94. This is how progressive-scan DVD players work, since DVD's are not progressive-scan frames at all (they're 480i). PAL was 25fps. Nobody uses fractional frame/sync rates natively in the digital era though. Film is 24fps and 23.976fps is from the NTSC inverse-telecine conversion from 29.97fps. Digital monitors only support fractional sync rates as emulated for legacy support. HDTV mandates standard 30hz/fps and 60hz/fps.
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