Patents by Inventor Carl Dennis Mitchell

Carl Dennis Mitchell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for recognition-based barge-in detection in the context of subword-based automatic speech recognition
    Patent number: 6574595
    Abstract: Robust, multi-faceted sub-word method for rapidly and reliably detecting a barge-in condition of a speaker talking while an automated audio prompt is being played. This sub-word method allows for rapid stopping of the prompt to improve automatic speech recognition and reduce speaker confusion and/or frustration. An automatic speech recognition system (ASR) that practices such a method is also presented.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: June 3, 2003
    Assignee: Lucent Technologies Inc.
    Inventors: Carl Dennis Mitchell, Anand Rangaswamy Setlur, Rafid Antoon Sukkar