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24p vs 5:5 pulldown - any visible difference? - Printable Version

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24p vs 5:5 pulldown - any visible difference? - meccs - 2023-03-21

For 24p content that is 23.976 fps, you have two options on a 120 Hz TV to avoid 3:2 pulldown. Adjusting the refresh rate to the source material or doing a 5:5 pulldown. On an LG TV you would set "Real Cinema" to on for 5:5 pulldown.
My question is, is there any benefit in adjusting the refresh rate compared to just doing 5:5 pulldown or should it be indistinguishable if done properly?

And as a second question: the Fire TV doesn't do integer refresh rates, so real 24 Hz/fps content will not play properly. Is there a way to mitigate that with the options you have on the TV and in Kodi? For example with "sync playback to display" etc?

Thank you


RE: 24p vs 5:5 pulldown - any visible difference? - meccs - 2023-03-26

Anyone? I am really curious. Maybe here is not the right forum category to ask this?

I think it should work if I remove 24.000 and 60.000 from the white list in Kodi and enable "sync playback to display"? It should theoretically then play 24.000 content correctly (at 23.976 or 59.94 with 5:5 pulldown) even though the Fire TV doesn't understand integer frame rates?


RE: 24p vs 5:5 pulldown - any visible difference? - selfcontained - 2023-05-04

I don't know the answer either but am "bumping" to perhaps generate interest.


RE: 24p vs 5:5 pulldown - any visible difference? - ashlar - 2023-05-05

(2023-03-21, 11:00)meccs Wrote: is there any benefit in adjusting the refresh rate compared to just doing 5:5 pulldown or should it be indistinguishable if done properly?
The latter. The problem is the "properly" part. While when you have properly adjusted refresh rate you can be 100% sure that proper framerate will be served, with 5:5 pulldown it's up to LG's algorithms.

I own an LG tv and I use refresh rate switching. But you piqued my curiosity. Maybe I'll do some testing. Also to verify what happens with 25fps content.