In your podcast you ranted against 120Hz sets and argued that they should be 72Hz instead. While 72Hz would be great for 24fps film based material using a 3:3 pulldown, it wouldn't work so well with the huge amount of TV and video content out there that's at 30fps or 60fps. They would have to do an uneven pulldown (similar to 3:2 but a different rate, you do the math) in order to display this content. With 120Hz, you can display 24fps with a 5:5 pulldown, 30fps with a 4:4 pulldown, and 60fps with a 2:2 pulldown. This eliminates the judder seen in non-equal pulldowns for the three most common frame rates we use in the U.S.
Unfortunately many TV makers don't have a 5:5 pulldown setting in their 120Hz sets and instead interpolate frames which gives 24fps content this weird unnatural video look. However, if you can find a 120Hz set that will do a 5:5 pulldown you'll have the option to watch 24fps content at its native frame rate and judder free.
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Ben,
In your podcast you ranted against 120Hz sets and argued that they should be 72Hz instead. While 72Hz would be great for 24fps film based material using a 3:3 pulldown, it wouldn't work so well with the huge amount of TV and video content out there that's at 30fps or 60fps. They would have to do an uneven pulldown (similar to 3:2 but a different rate, you do the math) in order to display this content. With 120Hz, you can display 24fps with a 5:5 pulldown, 30fps with a 4:4 pulldown, and 60fps with a 2:2 pulldown. This eliminates the judder seen in non-equal pulldowns for the three most common frame rates we use in the U.S.
Unfortunately many TV makers don't have a 5:5 pulldown setting in their 120Hz sets and instead interpolate frames which gives 24fps content this weird unnatural video look. However, if you can find a 120Hz set that will do a 5:5 pulldown you'll have the option to watch 24fps content at its native frame rate and judder free.