Embodied conversational agents in computer assisted language learning

Authors:
Preben Wik;Anna Hjalmarsson
Affiliations:
Centre for Speech Technology, KTH, Lindstedtsvägen 24, SE-10044 Stockholm, Sweden;Centre for Speech Technology, KTH, Lindstedtsvägen 24, SE-10044 Stockholm, Sweden
Venue:
Speech Communication
Year:
2009

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Abstract

This paper describes two systems using embodied conversational agents (ECAs) for language learning. The first system, called Ville, is a virtual language teacher for vocabulary and pronunciation training. The second system, a dialogue system called DEAL, is a role-playing game for practicing conversational skills. Whereas DEAL acts as a conversational partner with the objective of creating and keeping an interesting dialogue, Ville takes the role of a teacher who guides, encourages and gives feedback to the students.