Designed for attendees new to the speech technology arena, this tutorial provides an overview of today’s key speech technologies. What are the major types of speech recognition engines? Do speaker identification and verification really work? Is there a need for touchtone recognition in interactive voice response systems? Who drives the speech dialogue— the user, the computer, or both? Where are natural language processing technologies, such as natural language recognition, machine translation, response generation, and summarization used today? Should you consid- er speech applications on mobile devices? Untangle the voice standards alphabet: VoiceXML, SSML, SRGS, CCXML, PLS, SCXML, and more.