Author

Bella Godiva

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Preprint Oct 2026

Why Full-Duplex Speech Models Collapse in Long Conversations

Full-duplex speech models listen and speak at the same time, which makes them promising for natural, open-ended conversation. But can they sustain a coherent conversation for tens of minutes? Because they generate a token every frame, even while listening, they exhaust their context windows within minutes. Yet existing...

Yeonju Kim, Bella Godiva, Se Jin Park et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Noise Adaptive Streaming Audio-Visual Speech Token Enhancement for Robust Full-Duplex Spoken Dialogue Models

AV-STE is proposed, a modular streaming audio-visual front-end that restores corrupted semantic speech tokens from noisy audio and lip video before they reach the speech LLM, and remains entirely frozen, preserving its pretrained conversational capabilities.

Bella Godiva, Yeonju Kim, Man-Ro Yong · 1 citation