Patents by Inventor Thierry LeGall

Thierry LeGall 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).

  • Echo suppression with increment/decrement, quick, and time-delay counter updating
    Patent number: 7643630
    Abstract: Hands-free phones with voice activity detection using a comparison of frame power estimate with an adaptive frame noise power estimate, automatic gain control with fast adaptation and minimal speech distortion, echo cancellation updated in the frequency domain with stepsize optimization and smoothed spectral whitening, and echo suppression with adaptive talking-state transitions.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: January 5, 2010
    Assignee: Texas Instruments Incorporated
    Inventors: Alan V. McCree, Takahiro Unno, Thierry LeGall, Sebastien Guiriec
  • Acoustic echo devices and methods
    Publication number: 20060018458
    Abstract: Hands-free phones with voice activity detection using a comparison of frame power estimate with an adaptive frame noise power estimate, automatic gain control with fast adaptation and minimal speech distortion, echo cancellation updated in the frequency domain with stepsize optimization and smoothed spectral whitening, and echo suppression with adaptive talking-state transitions.
    Type: Application
    Filed: June 24, 2005
    Publication date: January 26, 2006
    Inventors: Alan V. McCree, Takahiro Unno, Thierry LeGall, Sebastien Guiriec