Invention Grant
- Patent Title: Active noise control headphones
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Application No.: US17068765Application Date: 2020-10-12
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Publication No.: US11317192B2Publication Date: 2022-04-26
- Inventor: Weifeng Tong , Liang Zhang , Qian Li , Mingliang Xu
- Applicant: BESTECHNIC CO., LTD.
- Applicant Address: CN Shanghai
- Assignee: BESTECHNIC CO., LTD.
- Current Assignee: BESTECHNIC CO., LTD.
- Current Assignee Address: CN Shanghai
- Agency: Bayes PLLC
- Priority: CN201911279326.1 20191213,CN201911279620.2 20191213,CN201911282166.6 20191213,CN201911282376.5 20191213,CN201911283265.6 20191213,CN201911283305.7 20191213,CN202010016249.7 20200108,CN202010118025.7 20200226,CN202010118096.7 20200226,CN202010164338.6 20200311
- Main IPC: G10K11/178
- IPC: G10K11/178 ; H04R1/10 ; H04R5/033

Abstract:
Embodiments of active noise control (ANC) headphones and operating methods thereof are disclosed herein. In one example, a headphone for ANC includes a speaker, an internal microphone, a processor, and a filter function module. The speaker is configured to play an audio based on a first audio source signal. The internal microphone is configured to obtain a mixed audio signal comprising a noise signal and a second audio source signal based on the audio of interest played by the speaker. The processor is configured to determine a current system parameter of the ANC headphone based on the mixed audio signal at a first time point and determine a current parameter of a filter function module based on the current system parameter of the ANC headphone and pre-tested data. The filter function module is to perform ANC based on the determined current parameter of the filter function module.
Public/Granted literature
- US20210185426A1 ACTIVE NOISE CONTROL HEADPHONES Public/Granted day:2021-06-17
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