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. 18, 2017
Filed:
Jul. 15, 2015
Applicant:
Motorola Mobility Llc, Chicago, IL (US);
Inventors:
Robert Zurek, Antioch, IL (US);
Giles T Davis, Mundelein, IL (US);
Plamen A Ivanov, Schaumburg, IL (US);
Assignee:
Motorola Mobility LLC, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H04R 3/02 (2006.01); H04S 7/00 (2006.01); G10L 25/78 (2013.01);
U.S. Cl.
CPC ...
H04R 3/02 (2013.01); G10L 25/78 (2013.01); H04S 7/30 (2013.01);
Abstract
A method and apparatus to reduce acoustic feedback from a speaker to a microphone in a communication device. An audio signal can be reproduced by an apparatus. An audible signal of at least one near-end user can be voice activity detected at the apparatus. At least one audio output channel of multiple audio output channels can be operated on to attenuate acoustic pressure representative of the audio signal near at least one microphone aperture location when the audible signal of the at least one near-end user is detected at the apparatus.