VoCa: Designing Speech-Canvas Interaction for Voice-Based Conversational Agents
People write and sketch while speaking to explain, organize, and develop content together. Inspired by these practices, we investigate how voice agents can use a canvas alongside speech in multi-turn conversations with users. We conducted a two-part formative study: an observational study of how pairs coordinated speech and boardwork, followed by a design workshop that informed a design space for speech-canvas interaction with voice agents. Building on these insights, we developed VoCa, a voice agent that coordinates speech with visual object creation, annotation, and attention guidance. A five-day deployment with 18 participants examined usability, experiences of speech-canvas interactio...
| Authors | Yate Ge, Run Yuan, Yueran Qi et al. |
|---|---|
| Primary category | cs.HC |
| Published | 3 October 2026 |
| Last updated at source | 3 October 2026 |
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