Many technical issues like speech recognition and signal processing have to be addressed for the design of speech communication systems. However, before designing a speech application starts, 3 key questions that have to be answered: who will use it, why and how often? Only if the designer is clear about these questions, he is able to provide a maximum of target group orientation.

This book gives focuses on these high-level questions and gives a criteria when and how to design speech systems. After an introduction, the state of the art in modern voice user interfaces is displayed....