Multi-Dimensional Prosody Judgment For Live Streaming Speech Synthesis
Decoupled-Live-ProsodyJudge (D-LPJ), a cost-effective pairwise evaluator distilled from Gemini into Qwen3-Omni, and a novel span-local GRPO strategy that applies normalized advantages strictly to their corresponding rationale spans.
Zi-Fan Guan, Long-Yu Lu, Ju-Nan Zhang et al.
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