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:
Mar. 25, 2025
Filed:
Nov. 14, 2022
Huawei Technologies Co., Ltd., Shenzhen, CN;
Xiaowei Yu, Shenzhen, CN;
Yulong Li, Shenzhen, CN;
Fan Fan, Shenzhen, CN;
JingFan Qin, Shenzhen, CN;
Xiaohong Yang, Shenzhen, CN;
Yangshan Ou, Shenzhen, CN;
Yuhao Sun, Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
An active noise cancellation (ANC) method applied to a headset includes obtaining a first group of filtering parameters, and performing noise cancellation using the first group of filtering parameters. The first group of filtering parameters is one of Ngroups of filtering parameters prestored in the headset. The Ngroups of filtering parameters are respectively used to perform noise cancellation on ambient sound in Nleakage states. The Nleakage states are formed by the headset and Ndifferent ear canal environments. Nis a positive integer greater than or equal to two.