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:
Feb. 10, 2026
Filed:
Sep. 06, 2022
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Tom-Davy W. Saux, Los Altos, CA (US);
Victoria Chiu, San Jose, CA (US);
Hanchi Chen, San Jose, CA (US);
Mark Noon, San Jose, CA (US);
Vladan Bajic, San Francisco, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 11/178 (2006.01); H04R 1/10 (2006.01);
U.S. Cl.
CPC ...
G10K 11/17817 (2018.01); G10K 11/17823 (2018.01); G10K 11/17825 (2018.01); G10K 11/17881 (2018.01); H04R 1/1083 (2013.01); G10K 2210/1081 (2013.01); G10K 2210/30232 (2013.01); G10K 2210/3026 (2013.01); G10K 2210/3027 (2013.01); G10K 2210/3028 (2013.01); G10K 2210/3044 (2013.01); H04R 2460/01 (2013.01);
Abstract
A processor is configured to determine, using an adaptive filter algorithm, an adaptive feedforward acoustic noise cancellation, ANC, filter, filter a headphone internal microphone signal using a feedback filter to produce a feedback audio signal, drive a headphone speaker with the feedback audio signal, and modify the feedback filter based on a characteristic of the adaptive feedforward ANC filter. Other embodiments are also described.