ISCA Archive IDS 1999
ISCA Archive IDS 1999

The interaction of speech, deixis and graphics in the multimodaloffice agent Talky

Michael Streit

If multimodal systems are strictly based on the pattern of natural conversation, problems arise that are related to the transient nature of speech that strongly occupies the user’s attention. The concept of visual utterance is introduced that allows for a strictly user driven interaction, by preserving a conversational style of communication. Important features of visual utterances are that clarification and modifications of user requests can be based on a structured presentation of the system’s interpretation, that the user can interact with these presentations not only by speech, but also by gestures and te xtual input, and that the system’s view on focus is pr esented visually b Smileys, attached to the utterance. Certain problems of visual utterances are discussed. Also the problem of the distinction between deictic and manipulative uses of gestures is touched.