This book constitutes the refereed proceedings of the international Tutorial and Research Workshop on Affective Dialogue Systems, ADS 2004, held in Kloster Irsee, Germany in June 2004.

The 21 revised full papers and 14 revised short papers presented were carefully reviewed and selected for presentation. The papers are organized in topical sections on emotion recognition; affective user modeling; emotional databases, annotation schemes, and tools; affective conversational agents and dialogue systems; synthesis of emotional speech and facial animations; affective tutoring systems; evaluation of affective dialogue systems; and demonstrations.