Patents by Inventor Warren M. Lam

Warren M. Lam 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).

  • Conference signal anomaly detection
    Patent number: 8379800
    Abstract: Detecting at least one of an echo detector and a noise detector based on analysis of audio streams transmitted to and received from each endpoint of a conference. When certain characteristics of the respective audio streams for a given endpoint are classified as significant against certain criteria, a determination is made as to whether that endpoint is a source of echo and/or noise. Subsequent actions are taken to alert users and/or prevent broadcast of impaired signals.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: February 19, 2013
    Assignee: Microsoft Corporation
    Inventors: Warren M. Lam, Hosam A. Khalil, Vinod Prakash, Sang K. Choe, Hong Wang Sodoma
  • CONFERENCE SIGNAL ANOMALY DETECTION
    Publication number: 20120250830
    Abstract: Detecting at least one of an echo detector and a noise detector based on analysis of audio streams transmitted to and received from each endpoint of a conference. When certain characteristics of the respective audio streams for a given endpoint are classified as significant against certain criteria, a determination is made as to whether that endpoint is a source of echo and/or noise. Subsequent actions are taken to alert users and/or prevent broadcast of impaired signals.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 4, 2012
    Applicant: MICROSOFT CORPORATION
    Inventors: Warren M. Lam, Hosam A. Khalil, Vinod Prakash, Sang K. Choe, Hong Wang Sodoma