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Netflix is now doing per-shot encoding for UHD content

netflixtechblog.com

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Re: Netflix is now doing per-shot encoding for UHD content

#4

ELI5? Edit: Why the downvotes?

Instead of one optimization profile for a whole movie, Netflix is detecting when the shot of a movie changes (the camera "cuts" from one shot to another) and beginning a new optimization profile specifically for the content of that shot.

At least, that is my understanding.

Re: Netflix is now doing per-shot encoding for UHD content

#5
That seems like a pretty impressive achievement!

Question for anyone here:

What do you use to play 4K/HDR? I have an Apple TV 4K, which can do 4K Dolby Vision playback and looks ok, but the Apple TV tends to have some jittering when streaming certain shows (very noticeable in panning shots of animation). The sound quality is also noticeably worse on my set with it (it doesn’t seem to be able to do direct pass through to my AV unit, always PCM/decoded on the Apple TV).

On the other hand I have a a Shield TV that does direct pass through of audio and sounds much better, and also seems to do video playback without that occasional jittering. It does not seem to support Dolby Vision though. Additionally the UI is very, very, very laggy after recent updates.

Does anyone use anything that doesn’t have either of these issues?

Re: Netflix is now doing per-shot encoding for UHD content

#6

That seems like a pretty impressive achievement! Question for anyone here: What do you use to play 4K/HDR? I have an Apple TV 4K, which can do 4K Dolby Vision playback and looks ok, but the Apple TV tends to have some jittering when streaming certain shows (very noticeable in panning shots of animation). The sound quality is also noticeably worse on my set with it (it doesn’t seem to be able to do direct pass through…

I used to use Linux, but the DRM makes that really hard. I'm restricted to HD from Netflix, so some media I access 'differently' for the media format of my choice.

Re: Netflix is now doing per-shot encoding for UHD content

#7

ELI5? Edit: Why the downvotes?

Instead of one optimization profile for a whole movie, Netflix is detecting when the shot of a movie changes (the camera "cuts" from one shot to another) and beginning a new optimization profile specifically for the content of that shot. At least, that is my understanding.

That sounds so intuitive that I want to follow up with the question: Why isn't this the default? Is detecting a cut particularly difficult?
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