About the Authors and Radio Rex. Preface. I. INTRODUCTION.
1. Introduction to Voice User Interfaces.
What Is a Voice User Interface?
Why Speech?
Where Do We Go from Here?
2. Overview of Spoken Language Technology.
Architecture of a Spoken Language System.
The Impact of Speech Technology on Design Decisions.
Conclusion.
3. Overview of the Methodology.
Methodological Principles.
Steps of the Methodology.
Applying the Methodology to Real-World Applications.
Conclusion.
II. DEFINITION PHASE: REQUIREMENTS GATHERING AND HIGH-LEVEL DESIGN.
4. Requirements and High-Level Design Methodology.
Requirements Definition.
High-Level Design.
Conclusion.
5. High-Level Design Elements.
Dialog Strategy and Grammar Type.
Pervasive Dialog Elements.
Conclusion.
6. Creating Persona, by Design.
What Is Persona?
Where Does Persona Come From?
A Checklist for Persona Design.
Persona Definition.
Conclusion.
7. Sample Application: Requirements and High-Level Design.
Lexington Brokerage.
Requirements Definition.
High-Level Design.
Conclusion.
III. DESIGN PHASE: DETAILED DESIGN.
8. Detailed Design Methodology.
Anatomy of a Dialog State.
Call Flow Design.
Prompt Design.
User Testing.
Design Principles.
Conclusion.
9. Minimizing Cognitive Load.
Conceptual Complexity.
Memory Load.
Attention.
Conclusion.
10. Designing Prompts.
Conversation as Discourse.
Cohesion.
Information Structure.
Spoken Versus Written English.
Register and Consistency.
Jargon.
The Cooperative Principle.
Conclusion.
11. Planning Prosody.
What Is Prosody?
Functions of Prosody.
Stress.
Intonation.
Concatenating Phone Numbers.
Minimizing Concatenation Splices.
Pauses.
TTS Guidelines.
Conclusion.
12. Maximizing Efficiency and Clarity.
Efficiency.
Clarity.
Balancing Efficiency and Clarity.
Conclusion.
13. Optimizing Accuracy and Recovering from Errors.
Measuring Accuracy.
Dialog Design Guidelines for Maximizing Accuracy.
Recovering from Errors.
Conclusion.
14. Sample Application: Detailed Design.
Call Flow Design.
Prompt Design.
User Testing.
Conclusion.
IV. REALIZATION PHASE: DEVELOPMENT, TESTING, AND TUNING.
15. Development, Testing, and Tuning Methodology.
Development.
Testing.
Tuning.
Conclusion.
16. Creating Grammars.
Grammar Development.
Grammar Testing.
Grammar Tuning.
Conclusion.
17. Working with Voice Actors.
Scripting for Success.
Choosing Your Voice Actor.
Running a Recording Session.
Conclusion.
18. Sample Application: Development, Testing, and Tuning.
Development.
Testing.
Tuning.
19. Conclusion.
Appendix.
Bibliography.
Index.
