Guest Editors' Introduction: Special Section on Emergent Systems, Algorithms, and Architectures for Speech-Based Human-Machine Interaction.

The article discusses various reports published within the issue, including one by Julian Odell on the architecture, user interface, and enabling technology in the speech systems of Microsoft Windows Vista operating system and another by Maycel-Isaac Faraj and Josef Bigun on the synergy of lip motion and acoustic features in biometric speech and speaker recognition.