
6 Coverbal Synchrony in Human-Machine Interaction
and adjust the pace and content of the lecture accordingly. In a typical
face-to-face conversation, where all participants have equal right to
speak, this two-way interaction becomes intense.
Previous work based on the JST/ESP 1500-hour corpus of highly
interactive natural speech recorded through head-worn microphones
by volunteers in everyday situations has revealed significant changes,
particularly in voice quality and tone-of-voice, depending on the nature
of the relationship with the interlocutor and the various stages of the
interaction. We generalize from this to infer that in daily interactive ...