INTERSPEECH 2007
8th Annual Conference of the International Speech Communication Association

Antwerp, Belgium
August 27-31, 2007

The Virtual Guide: A Direction Giving Embodied Conversational Agent

Mariët Theune, Dennis Hofs, Marco van Kessel

University of Twente, The Netherlands

We present the Virtual Guide, an embodied conversational agent that can give directions in a 3D virtual environment. We discuss how dialogue management, language generation and the generation of appropriate gestures are carried out in our system.

Full Paper

Audio-Visual Material

RouteChar.swf  This is a Flash movie showing the Virtual Guide presenting a route description in Dutch while making gestures from a character viewpoint; i.e., pointing left and right as appropriate from the viewpoint of someone who is walking the route. Speech synthesis is by Dutch tts system Fluency. NB: a live demo of a newer version of the Virtual Guide is available at http://wwwhome.ewi.utwente.nl/~hofs/dialogue/
RouteObj.swf This is a Flash movie showing the Virtual Guide presenting a route description in Dutch while making gestures from an objective viewpoint; i.e., pointing at the actual location of the objects mentioned as landmarks in the route description. Speech synthesis is by Dutch tts system Fluency. NB: a live demo of a newer version of the Virtual Guide is available at http://wwwhome.ewi.utwente.nl/~hofs/dialogue/

Bibliographic reference.  Theune, Mariët / Hofs, Dennis / Kessel, Marco van (2007): "The virtual guide: a direction giving embodied conversational agent", In INTERSPEECH-2007, 2197-2200.