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feedback10k · 03-01-2006

NTSC 720 x 480 29.97 interlaced*
PAL 720 x 576 25 interlaced*

The amount of frames a 3:2 pulldown telecined movie has is 30 fps. But an NTSC television will play them back slower at 29.970 fps (59.94Hz). The amount of actual frames hasn't changed; none have been added or taken out. Here is where 23.976 comes in. If we inverse telecine a 30 fps movie we end up with 24 fps. But if we inverse telecined a 29.970 fps movie, because it has a slightly slower speed, instead of getting 24 fps as we should, we will end up with the slightly slower rate of 23.976 fps.

03-01-2006	#4 (permalink)
feedback10k CD Freaks Senior Member Join Date: May 2005 Location: Sometimes I am Here... and sometimes I am There... and sometimes I am neither Here nor There.:) Posts: 271	Re: AVI2DVD problem (only NTSC out?) NTSC 720 x 480 29.97 interlaced* PAL 720 x 576 25 interlaced* The amount of frames a 3:2 pulldown telecined movie has is 30 fps. But an NTSC television will play them back slower at 29.970 fps (59.94Hz). The amount of actual frames hasn't changed; none have been added or taken out. Here is where 23.976 comes in. If we inverse telecine a 30 fps movie we end up with 24 fps. But if we inverse telecined a 29.970 fps movie, because it has a slightly slower speed, instead of getting 24 fps as we should, we will end up with the slightly slower rate of 23.976 fps. __________________ Do ut des!