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1080 vs 4k | SDR vs HDR in 1 video (lemmy.ml)

submitted 7 months ago* (last edited 7 months ago) by [email protected] to c/[email protected]

11 comments fedilink hide all child comments

Is there a video which compares 1080 and 4k and another one comparing HDR vs SDR?

When I watch 4k content I think, wow, this is great detail. But when I watch 1080 this is very good, but the tiny people in the background wouldn't be blurred in 4k.

And when I watch a dark SDR video I hate that the movie companies didn't release HDR quality although it's a recent movie/ series. But how would I know if it would be better?

I always think that the grass is greener on the other side, but how would I know?

Would it be hard to create such a video file? I guess with ffmpeg. But all else would need to be kept constant which is the difficult part

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[–] [email protected] 1 points 7 months ago (1 children)

Don't we have the problem described by ninjans then? https://lemmy.mildgrim.com/comment/1906112

[–] [email protected] 1 points 7 months ago (1 children)

I don't think so because you're not forcing the 1080p video to be upscaled since it's stuck with 1920 x 1080 pixels in my example.

[–] [email protected] 1 points 7 months ago* (last edited 7 months ago) (2 children)

Not the 4 pixel problem. Sorry, I should've elaborated.

The problem that I actually want to compare how both, 4k and 1080 looks on that TV screen to answer the question: is 4k worth the extra space?

To answer that question, you have to take a 1080 and a 4k video and play both under real world conditions, i.e. the TV upscales the 1080 content to 4k.

[–] [email protected] 1 points 7 months ago

On second thought, If you use the same source 1080p video and lock one in at 1920 x 1080 window and expand the other one to as full screen as possible. The full screen video will be up-scaled so you should be able to compare directly on one set.

[–] [email protected] 2 points 7 months ago

Ah, I see. No problem. You'd have to switch back and forth in that case or have two of the exact same TVs to compare at the same time. (Some sets do a better or worse job of up-scaling). You'd also have to take into account viewing distance from the TV. At a certain distance it won't matter, but as you get closer, it matters more and more. There are view distance calculators available online to help with that.