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:
Aug. 06, 2019
Filed:
Jun. 15, 2018
Applicant:
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Inventors:
John Paul Lesso, Edinburgh, GB;
Yanto Suryono, Tokyo, JP;
Assignee:
Cirrus Logic, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); H04R 3/04 (2006.01); G10L 19/12 (2013.01); G01R 31/3167 (2006.01); G10L 19/04 (2013.01);
U.S. Cl.
CPC ...
H04R 29/001 (2013.01); G01R 31/3167 (2013.01); G10L 19/12 (2013.01); H04R 3/04 (2013.01); H04R 29/00 (2013.01); G10L 19/04 (2013.01); H04R 2430/03 (2013.01);
Abstract
An audio system receives an input signal and, if the input signal has a sparse representation in the frequency domain, comprising components at at least one frequency of interest, the input signal is filtered in at least one band pass filter, such that only components at the or each frequency of interest are passed to an output. The operation is able in some case to analyze the input signal to determine whether the input signal has a sparse representation in the frequency domain.