Patents by Inventor Xufang Zhao, III

Xufang Zhao, III 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).

  • Selective noise suppression during automatic speech recognition
    Patent number: 9830925
    Abstract: An automatic speech recognition engine and a method of using the engine is described. The method pertains to front-end processing an audio signal and includes the steps of: identifying a plurality of voiced-frames of the audio signal; determining that one or more of the plurality of voiced-frames have a signal-to-noise (SNR) value greater than a first predetermined threshold; and based on the determination, bypassing noise suppression for the one or more of the plurality of voiced-frames.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: November 28, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Gaurav Talwar, Xufang Zhao, III, Robert D. Sims, III, Md Foezur Rahman Chowdhury
  • SELECTIVE NOISE SUPPRESSION DURING AUTOMATIC SPEECH RECOGNITION
    Publication number: 20160118042
    Abstract: An automatic speech recognition engine and a method of using the engine is described. The method pertains to front-end processing an audio signal and includes the steps of: identifying a plurality of voiced-frames of the audio signal; determining that one or more of the plurality of voiced-frames have a signal-to-noise (SNR) value greater than a first predetermined threshold; and based on the determination, bypassing noise suppression for the one or more of the plurality of voiced-frames.
    Type: Application
    Filed: October 22, 2014
    Publication date: April 28, 2016
    Inventors: Gaurav Talwar, Xufang Zhao, III, Robert D. Sims, III, Md Foezur Rahman Chowdhury