Patents by Inventor Thierry Gall

Thierry Gall 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).

  • Acoustic echo devices and methods
    Publication number: 20060147032
    Abstract: Hands-free phones with echo cancellation using dual filters, one fast adapting filter and one slow adapting filter; the choice of filters includes switching with hysteresis from recent performance, and the fast adapting filter has stepsize control to limit relative filter update energy and the slow adapting filter limits filter divergence.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 6, 2006
    Inventors: Alan McCree, Takahiro Unno, Thierry Gall, Sebastien Guiriec