A barge-in detector for use in connection with a speech recognition system forms a prompt replica for use in detecting the presence or absence of user input to the system. The replica is indicative of the prompt energy applied to an input of the system. The detector detects the application of user input...http://www.google.de/patents/US6266398?utm_source=gb-gplus-sharePatent US6266398 - Method and apparatus for facilitating speech barge-in in connection with voice recognition systems
