Author

Junwon Moon

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Preprint Oct 2026

KOMOS: Automatic Mean Opinion Score Estimation for Korean Speech

As speech generation and real-time spoken dialogue systems advance, neural mean opinion score (MOS) predictors are increasingly used to evaluate speech quality. However, many existing predictors are trained primarily on English read speech and generalize inconsistently across languages and speaking styles. In particula...

Sangchun Ha, Junwon Moon, Kyuhong Shim · 0 citations

#natural language process... Preprint Jul 2026

DELTA-TTS: Adapting Autoregressive Model into Diffusion Language Model for Text-to-Speech

DELTA-TTS is introduced, a lightweight LoRA-based adaptation framework that converts a pretrained AR TTS model into a discrete diffusion language model (dLLM) for confidence-ordered speech-token decoding and produces sharper text--speech alignment, increases overall decoding confidence, and mitigates the hallucinations...

Junwon Moon, Yejin Lee, Seungbeom Kim et al. · 0 citations