Author

Abhinaba Roy

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#human-computer interacti... Jun 2025

To Embody or Not: The Effect Of Embodiment On User Perception Of LLM-based Conversational Agents

A mixed-methods within-subjects study on how users perceive LLM-based CAs in cooperative tasks when embodied and non-embodied shows that the non-embodied agent received significantly better quantitative appraisals for competence than the embodied agent, and in qualitative feedback, many participants believed that the e...

Kyra Wang, Abhinaba Roy, Boon-Kiat Quek et al. · arXiv.org · 3 citations

Preprint Sep 2026

DEFINE: Exemplar-Guided Accent Control for Zero-Shot TTS

Zero-shot text-to-speech (TTS) can reproduce an unseen speaker from a short reference recording, but typically entangles speaker identity and accent within the same reference. We introduce DEFINE, an end-to-end framework that decouples these factors by conditioning speaker identity and target accent on separate audio e...

Ambuj Mehrish, Abhinaba Roy, Alex Ivanov et al. · 0 citations