Most dialogues are multimodal. When people talk, they use not only their voices, but also facial expressions and other gestures, and perhaps even touch. When computers communicate with people, they use pictures and perhaps sounds, together with textual language, and when people communicate with computers, they are likely to use mouse gestures almost as much as words. How are such multimodal dialogues constructed? This is the main question addressed in this selection of papers of the second Venaco Workshop, sponsored by the NATO Research Study Group RSG-10 on Automatic Speech Processing, and by the European Speech Communication Association (ESCA).

Most dialogues are multimodal. When people talk, they use not only their voices, but also facial expressions and other gestures, and perhaps even touch. When computers communicate with people, they use pictures and perhaps sounds, together with textual language, and when people communicate with computers, they are likely to use mouse “gestures” almost as much as words. How are such multimodal dialogues constructed? This is the main question addressed in this selection of papers of the second “Venaco Workshop”, sponsored by the NATO Research Study Group RSG-10 on Automatic Speech Processing, and by the European Speech Communication Association (ESCA).

The main topic of this volume is natural multimodal interaction. The book is unique in that it brings together a great many contributions regarding aspects of natural and multimodal interaction written by many of the important actors in the field. Topics addressed include talking heads, conversational agents, tutoring systems, multimodal communication, machine learning, architectures for multimodal dialogue systems, systems evaluation, and data annotation.

Dialogue systems are a very appealing technology with an extraordinary future. Spoken, Multilingual and Multimodal Dialogues Systems: Development and Assessment addresses the great demand for information about the development of advanced dialogue systems combining speech with other modalities under a multilingual framework. It aims to give a systematic overview of dialogue systems and recent advances in the practical application of spoken dialogue systems. Spoken Dialogue Systems are computer-based systems developed to provide information and carry out simple tasks using speech as the interaction mode. Examples include travel information and reservation, weather forecast information, directory information and product order. Multimodal Dialogue Systems aim to overcome the limitations of spoken dialogue systems which use speech as the only communication means, while Multilingual Systems allow interaction with users that speak different languages. Presents a clear snapshot of the structure of a standard dialogue system, by addressing its key components in the context of multilingual and multimodal interaction and the assessment of spoken, multilingual and multimodal systems In addition to the fundamentals of the technologies employed, the development and evaluation of these systems are described Highlights recent advances in the practical application of spoken dialogue systems This comprehensive overview is a must for graduate students and academics in the fields of speech recognition, speech synthesis, speech processing, language, and human–computer interaction technolgy. It will also prove to be a valuable resource to system developers working in these areas.