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PD-GS introduces a phoneme-driven 3D Gaussian Splatting approach for audio-driven talking heads, using a Linguistic Fusion Module to improve lip articulation and reduce closure violations.
Ultralight Digital Human is an open-source Python project that lets you train a person-specific, audio-driven talking head from a 3–5 minute video, with support for HuBERT/WeNet audio features, ONNX export, and streaming inference.