PER-based preference optimization (DPO, PPO, GRPO) reduces lyric-to-song hallucination in an audio language model, with the largest gains from DPO plus reject sampling.
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Towards Hallucination-Free Music: A Reinforcement Learning Preference Optimization Framework for Reliable Song Generation
PER-based preference optimization (DPO, PPO, GRPO) reduces lyric-to-song hallucination in an audio language model, with the largest gains from DPO plus reject sampling.