Embodied Virtual Agent (EVA)
具身虚拟代理（Embodied Virtual Agent），指具有拟人外观与身体、可通过面部表情、姿态动作、语音等多模态渠道与用户进行交互的计算机生成角色。
English Definition
"A computer-generated character with a human-like appearance and body that can interact with users through both verbal and nonverbal behaviors (facial expressions, gestures, vocal cues) in virtual environments."
用法说明 · 针对中文母语者
中文学术圈也常译为「具身虚拟人」「具身智能体」。EVA 是情感计算与人机交互研究中的核心研究对象，常与 chatbot、avatar 区分使用。
常见错误
- ·把 EVA 译成「化身」或「虚拟形象」会丢失「具身（embodied）」这一关键属性
- ·与一般 avatar 混淆：avatar 强调视觉外观，EVA 更强调具有身体和交互能力
真实用例 · 3 条
"Embodied Virtual Agents (EVAs), computer-generated characters with human-like appearances, are widely used in the domain of personal companionship, in practice leveraging their ability to interact through both verbal and nonverbal behaviors."
"Embodied virtual agents (EVAs) have been widely used in personal companionship, where providing emotion feedback is a core function."
"few studies have systematically examined embodied virtual agents' emotion feedback intensity as an independent variable to investigate its effect on user experience."