PrefaceI. Introduction to Communication Adaptation Theory1. Conversational Interactions 2. Sources of Speech Signal Variability 3. Speech SegmentationII. Expressive Level of Communication4. Speech Emotional Expressivity 5. Speech Expressivity AnalysisIII. Databases and Conversation Annotation6. Linguistic and Non-Linguistic Information Extraction 7. Conversational Speech DatabaseIV. Phonetic Convergence Evaluation8. Measurements and Similarities AssesmentsV. Perception of Convergence in Native and Non-Native Speech9. Convergence in Native and Non-Native Speech 10. Perception Evaluation of Convergence 11. Discussion of Perception TestsVI. Propects for the Development of Dialogue SystemsReferences List of Figures List of Tables Appendices