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.
Patent No.:
Date of Patent:
Apr. 14, 2020
Filed:
Aug. 20, 2018
Applicant:
Amazon Technologies, Inc., Seattle, WA (US);
Inventors:
Xianxian Zhang, Santa Clara, CA (US);
Trausti Thor Kristjansson, San Jose, CA (US);
Assignee:
Amazon Technologies, Inc., Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 21/0232 (2013.01); H04R 1/40 (2006.01); H04R 3/00 (2006.01); G10L 25/78 (2013.01); G10L 15/22 (2006.01); G10L 21/0208 (2013.01);
U.S. Cl.
CPC ...
G10L 21/0232 (2013.01); G10L 15/22 (2013.01); G10L 25/78 (2013.01); H04R 1/406 (2013.01); H04R 3/005 (2013.01); G10L 2015/223 (2013.01); G10L 2021/02082 (2013.01); H04R 2420/07 (2013.01);
Abstract
Techniques for improving acoustic echo cancellation to attenuate an echo signal generated by a wireless loudspeaker are described. A relative position of the wireless loudspeaker is determined when sound from the wireless loudspeaker is determined to be the dominant sound (e.g., during output of a response to a user command or query or during speech by a far-side party during a two-way audio communication). A beam corresponding to the relative position is thereby selected for echo cancellation.