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US 12,745,054 B2Granted
Method and device of active noise reduction for earphone, earphone, and computer readable storage medium
AssigneeGoertek Technology Co., Ltd.
InventorKai Zeng
Life of this patent
Estimating the term…
Abstract
Disclosed are a method and a device of active noise reduction for an earphone, an active noise reduction earphone, and a computer readable storage medium. The method of active noise reduction for the earphone includes the following steps: obtaining wearing posture change information of the earphone relative to a wearer; determining whether to adjust a current active noise reduction parameter according to the wearing posture change information; and in response to that the current active noise reduction parameters is adjusted, performing a preset adjustment operation on the current active noise reduction parameter.
Claims6
A method of active noise reduction for an earphone, comprising:
- obtaining wearing posture change information of the earphone relative to a wearer;
- determining whether to adjust a current active noise reduction parameter according to the wearing posture change information;
- and
- in response to that the current active noise reduction parameters are adjusted, performing a preset adjustment operation on the current active noise reduction parameter;
- wherein the wearing posture change information comprises reference capacitance information and real-time capacitance information;
- the determining whether to adjust the current active noise reduction parameter according to the wearing posture change information comprises:
- determining whether the reference capacitance information is consistent with the real-time capacitance information, wherein the reference capacitance information is capacitance information corresponding to a wearing posture of the current active noise reduction parameter;
- the real-time capacitance information is capacitance information monitored in real time by a built-in capacitance sensor of the earphone;
- and
- in response to that the reference capacitance information is not consistent with the real-time capacitance information, adjusting the current active noise reduction parameter;
- wherein the reference capacitance information comprises a reference capacitance value, and the real-time capacitance information comprises a real-time capacitance value;
- the determining whether the reference capacitance information is consistent with the real-time capacitance information comprises:
- determining whether the reference capacitance value and the real-time capacitance value are in a same preset capacitance range, wherein each preset capacitance range corresponds to a wearing tightness level of the wearing posture;
- in response to that the reference capacitance value and the real-time capacitance value are in the same preset capacitance range, determining that the reference capacitance information is consistent with the real-time capacitance information;
- and
- in response to that the reference capacitance value and the real-time capacitance value are not in the same preset capacitance range, determining that the reference capacitance information is inconsistent with the real-time capacitance information;
- wherein the performing the preset adjustment operation on the current active noise reduction parameter comprises:
- obtaining acoustic leakage information;
- and
- adjusting the current active noise reduction parameter according to the acoustic leakage information;
- wherein the acoustic leakage information comprises an amplitude loss and a displacement of the acoustic signal in a preset frequency band;
- the adjusting the current active noise reduction parameter according to the acoustic leakage information comprises:
- obtaining compensation information for the acoustic signal in the preset frequency band according to the amplitude loss and the displacement of the acoustic signal in the preset frequency band;
- and
- adjusting the current active noise reduction parameter to compensate the acoustic signal in the preset frequency band according to the compensation information.
22 more elements
A device of active noise reduction for an earphone, comprising:
- a collection module, configured to obtain wearing posture change information of the earphone relative to a wearer;
- a determination module, configured to determine whether to adjust a current active noise reduction parameter according to the wearing posture change information;
- and
- an adjustment module, configured to perform a preset adjustment operation on the current active noise reduction parameter in response to that the current active noise reduction parameter is adjusted;
- wherein the wearing posture change information comprises reference capacitance information and real-time capacitance information;
- the determination module being configured to determine whether to adjust the current active noise reduction parameter according to the wearing posture change information comprises:
- the determination module being configured to determine whether the reference capacitance information is consistent with the real-time capacitance information, wherein the reference capacitance information is capacitance information corresponding to a wearing posture of the current active noise reduction parameter;
- the real-time capacitance information is capacitance information monitored in real time by a built-in capacitance sensor of the earphone;
- and
- in response to that the reference capacitance information is not consistent with the real-time capacitance information, the determination module being configured to adjust the current active noise reduction parameter;
- wherein the reference capacitance information comprises a reference capacitance value, and the real-time capacitance information comprises a real-time capacitance value;
- the determination module being configured to determine whether the reference capacitance information is consistent with the real-time capacitance information comprises:
- the determination module being configured to determine whether the reference capacitance value and the real-time capacitance value are in a same preset capacitance range, wherein each preset capacitance range corresponds to a wearing tightness level of the wearing posture;
- in response to that the reference capacitance value and the real-time capacitance value are in the same preset capacitance range, the determination module being configured to determine that the reference capacitance information is consistent with the real-time capacitance information;
- and
- in response to that the reference capacitance value and the real-time capacitance value are not in the same preset capacitance range, the determination module being configured to determine that the reference capacitance information is inconsistent with the real-time capacitance information;
- wherein the adjustment module being configured to perform the preset adjustment operation on the current active noise reduction parameter comprises:
- the adjustment module being configured to obtain acoustic leakage information;
- and
- the adjustment module being configured to adjust the current active noise reduction parameter according to the acoustic leakage information;
- wherein the acoustic leakage information comprises an amplitude loss and a displacement of the acoustic signal in a preset frequency band;
- the adjustment module being configured to adjust the current active noise reduction parameter according to the acoustic leakage information comprises:
- the adjustment module being configured to obtain compensation information for the acoustic signal in the preset frequency band according to the amplitude loss and the displacement of the acoustic signal in the preset frequency band;
- and
- the adjustment module being configured to adjust the current active noise reduction parameter to compensate the acoustic signal in the preset frequency band according to the compensation information.
22 more elements
Dependencies are inferred from the claim text.