Backchannel Strategies for Artificial Listeners

  title={Backchannel Strategies for Artificial Listeners},
  author={Ronald Poppe and Khiet P. Truong and Dennis Reidsma and Dirk Heylen},
We evaluate multimodal rule-based strategies for backchannel (BC) generation in face-to-face conversations. Such strategies can be used by artificial listeners to determine when to produce a BC in dialogs with human speakers. In this research, we consider features from the speaker’s speech and gaze. We used six rule-based strategies to determine the placement of BCs. The BCs were performed by an intelligent virtual agent using nods and vocalizations. In a user perception experiment… CONTINUE READING
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