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:
Jan. 03, 2017
Filed:
Jun. 22, 2012
Applicants:
Jitendra D. Rayala, Sunnyvale, CA (US);
Krishna Vemireddy, San Jose, CA (US);
Inventors:
Jitendra D. Rayala, Sunnyvale, CA (US);
Krishna Vemireddy, San Jose, CA (US);
Assignee:
VERISILICON HOLDINGS CO., LTD., Plano, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01); H04R 3/00 (2006.01); H04R 29/00 (2006.01);
U.S. Cl.
CPC ...
H04R 3/005 (2013.01); H04R 29/006 (2013.01); H04R 2460/01 (2013.01);
Abstract
A microphone array processing system and method carried out in the system. In one embodiment, the system includes: (1) a beamformer configured to perform adaptive beamforming on gain-compensated signals received from a plurality of microphones, the adaptive beamforming including dynamic range compression and diagonal loading of a sample correlation matrix based on order statistics and (2) a postfilter configured to receive an output of the beamformer and reduce noise components remaining from the beamforming.