Avatar's Gaze Control to Facilitate Conversation in Virtual-Space Multi-User Voice Chat

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  • Ishii Ryo
    Graduate School of Tokyo University of Agriculture and Technology
  • Miyajima Toshimitsu
    Graduate School of Tokyo University of Agriculture and Technology
  • Fujita Kinya
    Graduate School of Tokyo University of Agriculture and Technology

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  • アバタ音声チャットシステムにおける会話促進のための注視制御
  • アバタ オンセイ チャット システム ニ オケル カイワ ソクシン ノ タメノ チュウシ セイギョ

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Abstract

<p>In order to facilitate multi-party conversations in a shared-virtual-space　voice chat environment, we propose a shared-virtual-space voice chat system with an automatic avatar's gaze direction control function using user utterance information, based on an avatar's gaze behavior model of turn-taking in multi-party conversation. In our gaze behavior model, a conversation was divided into three states; during-utterance, right-after-utterance, and silence. The avatar's gaze behaviors were controlled based on a probabilistic state transition model in each state. The developed system attained easy-to-use automatic gaze control without eye-tracking camera or manual operation.</p>

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