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US 2022/0208169 A1Published application
Method and system for active noise control
AssigneeShenzhen Goodix Technology Co., Ltd.
InventorsGuoliang LI, Lelin WANG, Wenkai HAN, Hongjing GUO
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Abstract
Embodiments of the present application provide a method and system for active noise control, which can meet different needs of different consumers on sound quality of headphones. The method includes: determining an expected noise control curve of performing active noise control on a target object; determining a target filter according to the expected noise control curve and a filter model; and performing noise control processing on an external noise signal using the target filter.
Claims20
A method for active noise control, comprising:
- determining an expected noise control curve of performing active noise control on a target object;
- determining an expected noise control weight value of active noise control, according to the expected noise control curve;
- determining a reference noise weight value and an expected filter frequency response of active noise control;
- determining a target filter, according to the expected noise control weight value, the reference noise weight value, the expected filter frequency response and the filter model;
- and
- performing noise control processing on an external noise signal of the target object using the target filter.
3 more elements
An active noise control system, comprising:
- a processing module, configured to determine an expected noise control curve of performing active noise control on a target object;
- determine an expected noise control weight value of active noise control, according to the expected noise control curve;
- and determine a reference noise weight value and an expected filter frequency response of active noise control;
- a filter coefficient calculation module, configured to determine a target filter, according to the expected noise control weight value, the reference noise weight value, the expected filter frequency response and the filter model;
- and
- a noise control module, configured to perform noise control processing on an external noise signal of the target object using the target filter.
3 more elements
Dependencies are inferred from the claim text.