Speaker identification and speech recognition using phased arrays

Authors:
Roger Xu;Gang Mei;ZuBing Ren;Chiman Kwan;Julien Aube;Cedrick Rochet;Vincent Stanford
Affiliations:
Intelligent Automation, Inc., Rockville, Maryland;Intelligent Automation, Inc., Rockville, Maryland;Intelligent Automation, Inc., Rockville, Maryland;Intelligent Automation, Inc., Rockville, Maryland;Intelligent Automation, Inc., Rockville, Maryland;Intelligent Automation, Inc., Rockville, Maryland;The National Institute of Standards and Technology, Gaithersburg, Maryland
Venue:
Ambient Intelligence in Everyday Life
Year:
2006

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Abstract

We summarize our research results on an innovative approach to making smart meeting rooms accessible to hands-free users. Specifically, we developed an autodirective system to acquire speech in a noisy room using a microphone array, and to identify the speech from a privileged speaker among others in real time. We successfully established that a commercial speaker-dependent speech recognition product could recognize beamformed speech acquired using our autodirective algorithm. We used the NIST Smart Flow System and the Mk-III microphone array developed by the National Institute of Standards and Technology to conduct our experiments.