submitted 2 years ago* (last edited 2 years ago) by hyper@lemmy.zip to c/piracy@lemmy.dbzer0.com

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I'm currently in the process of re-downloading everything on x265 because of the smaller files sizes. Whats do you guys think? Also has anybody experience with Tdarr?

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[-] argv_minus_one@beehaw.org 3 points 2 years ago* (last edited 2 years ago)

Hold up. That entire image is 8-bit. It's a JPEG image. JPEG can't encode more than 8 bits per channel. Nor can most displays, including mine, display more than 8 bits per channel. And yet the left half of your image exhibits far worse banding than the right half.

The left half looks more like 5 bits per channel rather than 8. You'd see that kind of banding in gradients back in the days of Windows 3.1, when 16-bit color was common. (16-bit color uses 5 bits each for red and blue, and 6 bits for green.)

[-] Virual@lemmy.dbzer0.com 13 points 2 years ago* (last edited 2 years ago)

It's an exaggerated example to demonstrate the concept of banding more clearly, not a technical breakdown.

[-] argv_minus_one@beehaw.org 5 points 2 years ago

Then it should be marked as such. It's highly misleading to anyone who doesn't know better. Again, you're demonstrating the difference between 5-bit and 8-bit color, not the difference between 8-bit and 10-bit color.

[-] Virual@lemmy.dbzer0.com 10 points 2 years ago* (last edited 2 years ago)

The purpose of the comment is to demonstrate banding. The only reason I marked it in bits is to show how banding can be reduced in video encodes by increasing the bit depth, not the specifics depths itself, it's not a technical write-up.

this post was submitted on 29 Aug 2023

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