Preprint
Sep 2026
Align Then Reason: A Multimodal Lip-Sync Judge for Dubbing
Dubbing quality control requires a reference-free judge that can determine whether a candidate text line matches a speaker's visible articulation in both content and timing, using only silent video and text because dubbed audio may not yet exist. Existing visual speech recognizers and video-language models are poorly s...
Rui Liu, Bhavin Jawade, Hao-Qi Li et al.
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