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HDR-SDR using ffMpeg...
#3
Hey, that was a great answer, thank you Selur!  I didn't realize that it was so subjective, that is good to know.  Hmmm... I guess if it actually differs from film to film, I'm REALLY going to have to learn more about this!  So, may I please ask you, could you explain the difference between say the way Mobius would handle a conversion as opposed to Reinhard?  Does one have more identifiable characteristics that distinguish they way it looks as opposed to another filter?  Like is one more detailed, but another is more colour accurate?  You know, just to give me something to go on as to exactly what these filters do differently.  Also, what is the desaturation -2 about?  Is that just arbitrary or is there a good reason for that?  Like I say, I have really searched different forums and such, and I can't seem to find any truly distinctive answers as to what the DIFFERENCES are between these different methods.

May I ask what exactly does 'HDR10 to SDR (DG)' and 'ToneMap Placebo' mean?  Is that a specific setting on Hybrid?  I just would really like to understand what these different methods are actually doing so that I can get a handle on how they are processing the picture in different ways.  Like I know what Deblock does, I even kind of know what Psychovisual stuff is supposed to do, but I have no idea what these filters are doing exactly and how they differ in what they do.

I do like a very detailed and saturated picture, even if it may not be absolutely 'Natural' looking.  The first few times I tried to do this I used Handbrake just using the BT709 colour timing.  But, I thought the results came out a bit on the dark side.  When I tried the Clever FFmpeg GUI it seemed to come out more vibrant and lighter, but I have NO idea why.

BTW, the last few times I did use Hybrid I really liked the different AVS or Vapoursynth choices and such that it offers.  So many great filters for so many great things!  When I really need to tweak movies and stuff I really like to use it because then I can sort of 'fine tune' the result which is great!

Perhaps if you could tell me the settings you would use with Hybrid if you were converting a 4k UHD to a SDR Blu-ray, I would love to give that a try in addition to maybe tweaking some of the other things   [Image: smile.png]

Thank you so much, I really appreciate all your time and help Selur!
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Messages In This Thread
HDR-SDR using ffMpeg... - by latheofheaven - 01.05.2024, 08:48
RE: HDR-SDR using ffMpeg... - by Selur - 01.05.2024, 09:03
RE: HDR-SDR using ffMpeg... - by latheofheaven - 01.05.2024, 10:21
RE: HDR-SDR using ffMpeg... - by Selur - 01.05.2024, 11:10
RE: HDR-SDR using ffMpeg... - by Selur - 01.05.2024, 11:54

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