The "Handbook of Multimodal and Spoken Dialogue Systems" provides a comprehensive overview of current and developing best practices in the creation of resources for speech input/output software and hardware. This specialized book brings together experts from various fields to offer detailed guidance and recommendations for planning speech dialogue systems, as well as for designing and evaluating audiovisual and multimodal systems. It addresses the necessity of collecting high-quality data to design, train, and assess multimodal and speech-based dialogue systems. Furthermore, it explains how to evaluate real computer systems with speech input and output and how to accurately describe and model human-computer dialogues. The book also includes a systematic compendium of terminology with definitions, serving as a valuable resource for professionals in this rapidly growing field.