The paper introduces delta loss, a score-based training objective for EBM TTS that reduces to a special case of flow matching, and reports one-step inference results competitive with sliced score matching.
The first approach is sliced score matching (SSM) that has been previously used with EBMs in other areas but not in TTS
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Score-Based Training for Energy-Based TTS Models
The paper introduces delta loss, a score-based training objective for EBM TTS that reduces to a special case of flow matching, and reports one-step inference results competitive with sliced score matching.