Identity is the hard problem in AI characters, and the most satisfying one to solve. Start with training a character LoRA (the identity foundation everything else stands on), then add a synced mouth and a 3D body.
Real-Time Lip-Sync with MuseTalk on an RTX 5090 (Blackwell Survival Guide)
MuseTalk generates lip-synced video faster than real time on a 5090, but getting it to BUILD on Blackwell is dependency hell. Here’s the exact recipe that works.
