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The Second Channel - nonverbal information in speech

Nick Campbell (ATR Network Informatics, Kyoto)

This talk describes work carried out over the past 5 years to collect and annotate a very large corpus of spontaneous conversational speech. Our most surprising finding concerns the amount of non-verbal information that is transmitted (as a side-channel?) along with the traditional linguistic information in speech. We propose a framework for the modelling of such information and present some examples of how it can be used in speech technology.