I was kind of expecting that this was going to demo some step forward, but this has all the same tells has the last several high profile deepfake demos.
> Voice is clipped
> Chin
> head bobbing
> Voice is clipped
> Chin
> head bobbing
Now I'm going to have to go and watch archival Nixon footage to see if the same thing is there or not :)
I wonder if you could use a GAN to do a post-production fix on them. Teach it what actual people's head movements look like, and then get it to stabilize the image as a second pass.
I remember when cellphone cameras first came out going "ffs, who'd want that? it's a tiny, low quality photo".