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:
May. 25, 2021
Filed:
Jun. 03, 2019
Applicant:
Gear Radio Electronics Corp., Hsinchu County, TW;
Inventor:
Wen-Sheng Hou, Miaoli County, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); G10K 11/178 (2006.01); H04R 1/08 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1083 (2013.01); G10K 11/178 (2013.01); H04R 1/083 (2013.01); G10K 2210/108 (2013.01);
Abstract
Provided is an active noise cancellation (ANC) method applied for an ANC headphone. The ANC method includes: in a channel estimation mode, estimating a plurality of environment channels by generating, transmitting and capturing a training signal; in the channel estimation mode, tuning a plurality of ANC filters based on the estimated plurality of environment channels; and in a normal mode, performing ANC on an input signal based on the plurality of ANC filters.