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:
Dec. 27, 2022

Filed:

Feb. 28, 2021
Applicant:

Clearone, Inc., Salt Lake City, UT (US);

Inventors:

Ashutosh Pandey, Irvine, CA (US);

Darrin T. Thurston, Liberty, UT (US);

David K. Lambert, South Jordan, UT (US);

Tracy A. Bathurst, South Jordan, UT (US);

Assignee:

ClearOne, Inc., Salt Lake City, UT (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 9/08 (2006.01); G10L 21/0208 (2013.01); G10L 21/0232 (2013.01); G10L 21/0264 (2013.01); H04M 3/56 (2006.01); H04R 1/40 (2006.01); H04R 3/00 (2006.01); H04R 29/00 (2006.01); G10L 21/0216 (2013.01);
U.S. Cl.
CPC ...
H04M 9/082 (2013.01); G10L 21/0208 (2013.01); G10L 21/0232 (2013.01); G10L 21/0264 (2013.01); H04M 3/568 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); H04R 29/007 (2013.01); G10L 2021/02082 (2013.01); G10L 2021/02166 (2013.01); H04R 2201/401 (2013.01); H04R 2201/403 (2013.01); H04R 2203/12 (2013.01); H04R 2430/20 (2013.01); H04R 2430/23 (2013.01); H04R 2499/11 (2013.01);
Abstract

This disclosure describes an apparatus and method of an embodiment of an invention that is a conferencing device that includes a microphone array that further comprises a plurality of microphones; a processor configured to execute the following steps: performing a beamforming operation to combine the plurality of microphones into a plurality of combined signals that is greater in number than one and less in number than the plurality of microphone signals, each of the plurality of combined signals corresponding to a different fixed beam; wherein performing the beamforming operation includes applying beamforming weights to the signals from each microphone to achieve a desired pickup pattern that includes a main lobe and sidelobes together with nulls for each fixed beam; performing an acoustic echo cancellation operation generate a plurality of combined echo cancelled signals; and selecting one or more of the combined echo cancelled signals for transmission to the far end.


Find Patent Forward Citations

Loading…