Avatars have really moved on...

https://www.synthesia.io

On the sites demo it looks easily good enough to fool us into thinking it's a real person.

Yeah, pretty impressive.

It's for a rendered video; I don't think we have that quality for an avatar working live, say in UltraHal, but I might be wrong; I haven't kept up.

In case some haven't been aware of or following Dr. Alan THompson's work, this has been quite an amazing series of his to date.

This one is from a few months back but has some good and interesting content.

He is using one of the many avatars from Synthesia. They are definitely becoming more lifelike.

I wonder how much a live version costs, that's cool 

Live version...

They mainly provide characters with which to create various videos, usually scripted to some degree. Not like UltraHal & Haptek.

I did a bit of research and found some links that might be of interest...or not...

One that I think has the most lifelike/realistic characters is Reallusion. They have certainly improved a great deal in the past few years...
https://www.reallusion.com/character-creator/default.html

Do yourself a favor and watch the DEMO on the main screen.- Amazing tech!
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I do like this short video of Sophie...


https:avatarsdk.com

https://www.voanews.com/a/logon-movie-technology-uses-artificial-intelligence-to-create-lifelike-avatars/6713049.html



https://tech.fb.com/ar-vr/2019/03/codec-avatars-facebook-reality-labs/

https://petapixel.com/2022/06/14/metas-photorealistic-avatars-can-be-generated-with-just-an-iphone/