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. 10, 2021
Filed:
Nov. 29, 2018
Applicant:
Faurecia Creo Ab, Linköping, SE;
Inventors:
Assignee:
Faurecia Creo AB, Linköping, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/178 (2006.01);
U.S. Cl.
CPC ...
G10K 11/17881 (2018.01); G10K 11/17817 (2018.01); G10K 11/17854 (2018.01); G10K 11/17855 (2018.01); G10K 2210/1282 (2013.01); G10K 2210/3026 (2013.01); G10K 2210/3027 (2013.01); G10K 2210/3028 (2013.01); G10K 2210/3035 (2013.01); G10K 2210/3044 (2013.01);
Abstract
A method for reducing the power of an acoustic primary noise signal (d(n)) at one or more control positions in a vehicle passenger compartment using an adaptive filter. The method comprising to compare a mean correlation coefficient (γ(n)) between an electrical error signal (e(n) and a modelled secondary anti-noise signal ŷ(n) with at least one predefined threshold (α, β).