The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 19, 2013

Filed:

Mar. 29, 2011
Applicants:

Warren M. Lam, Redmond, WA (US);

Hosam A. Khalil, Redmond, WA (US);

Vinod Prakash, Redmond, WA (US);

Sang K. Choe, Redmond, WA (US);

Hong Wang Sodoma, Redmond, WA (US);

Inventors:

Warren M. Lam, Redmond, WA (US);

Hosam A. Khalil, Redmond, WA (US);

Vinod Prakash, Redmond, WA (US);

Sang K. Choe, Redmond, WA (US);

Hong Wang Sodoma, Redmond, WA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 3/08 (2006.01);
U.S. Cl.
CPC ...
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.


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