Which means 4:4:4:4 in the definition of Apple ProRes?

I'm curious to know what a source of image 4:4:4:4, I had no luck with google. I think it has to do with RGBA channels, but am not 100% sure, or what represents the number 4. Maybe a total of 16 bits?

https://support.Apple.com/en-us/HT202410

Thank you

J

You will be interested in thisdiscussion of the chroma subsampling.

Russ

Edit: also this doc on Res Pro codecs

Tags: Professional Applications

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