SPEECH RECOGNITION/UNDERSTANDING DEMOS - II

GTNPhone Dialog System - BBN Technologies

• An over-the-telephone spoken language interface to a logistics website
• Caters to both wired and cellular telephone users
• Main body of the system implemented in Java
• System response via a speech-synthesizer implemented in C - Entropic's True Talk
• Speech recognition by BBN's Hark system

Jupiter, Conversational Interface to weather info - MIT Laboratory for Computer Science

• Audio-only information access and delivery
• Multilingual capability
• Summit, for speech recognition and Tina for natural language parsing
• Vocabulary size of about 1400 words
• Understanding accuracy of 80% for naive users
• Understands weather forecasts and constructs a relational database automatically