Methods for optimizing working state of bone conduction earphones
The present disclosure is a method for optimizing a working state of a bone conduction earphone. The bone conduction earphone includes an earphone core and at least one vibration sensor. The method includes: obtaining a vibration signal through the at least one vibration sensor, the vibration signal being at least partially derived from vibration generated by the earphone core in response to an audio signal, and the vibration of the earphone core being transmitted to a user wearing the bone conduction earphone through bone conduction; determining a vibration response feature of the earphone core based on the vibration signal and the audio signal; and feeding back a working state of the bone conduction earphone based on the vibration response feature of the earphone core.
1. A method for optimizing a working state of a bone conduction earphone, wherein the bone conduction earphone includes an earphone core and at least one vibration sensor, and the method comprises:
obtaining, by the at least one vibration sensor, a vibration signal, the vibration signal being at least partially derived from vibration generated by the earphone core in response to an audio signal, and the vibration of the earphone core being transmitted to a user wearing the bone conduction earphone through bone conduction;
determining, based on the vibration signal and the audio signal, a vibration response feature of the earphone core; and
feeding back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone.
2. The method of claim 1 , wherein the vibration response feature includes at least one of a resonance frequency of the earphone core, a response peak at a specific frequency, a quality factor, and an input voltage.
3. The method of claim 1 , wherein the working state of the bone conduction earphone includes a user wearing state and a user not wearing state, and the feeding back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone comprises:
determining, based on the vibration response feature of the earphone core, whether the working state is the user not wearing state; and
generating, in response to a determination that the working state is the user not wearing state, an instruction to adjust a power consumption of the bone conduction earphone.
4. The method of claim 3 , wherein the determining, based on the vibration response feature of the earphone core, whether the working state is the user not wearing state comprises:
inputting the vibration response feature of the earphone core to a recognition model; and
generating, based on an output of the recognition model, a determination result.
5. The method of claim 1 , wherein the working state of the bone conduction earphone includes a user well-wearing state and a user not well-wearing state, and the feeding back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone comprises:
determining, based on the vibration response feature of the earphone core, whether the working state is the user not well-wearing state; and
issuing, in response to a determination that the working state is the user not well-wearing state, a prompt message by the bone conduction earphone.
6. The method of claim 5 , wherein the determining, based on the vibration response feature of the earphone core, whether the working state is the user not well-wearing state comprises:
inputting the vibration response feature of the earphone core to a recognition model; and
generating, based on an output of the recognition model, a determination result.
7. The method of claim 1 , wherein the working state of the bone conduction earphone is related to a clamping force when the user wears the bone conduction earphone, and the feeding back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone comprises:
determining, based on the vibration response feature of the earphone core, whether the clamping force when the user wears the bone conduction earphone is within a preset range; and
generating, in response to a determination that the clamping force is not within the preset range, an instruction to adjust a corresponding structure of the bone conduction earphone, so as to change the clamping force when the user wears the bone conduction earphone.
8. The method of claim 7 , wherein the determining, based on the vibration response feature of the earphone core, whether the clamping force when the user wears the bone conduction earphone is within a preset range comprises:
inputting the vibration response feature of the earphone core to a recognition model;
obtaining, based on an output of the recognition model, a parameter value representing the clamping force when the user wears the bone conduction earphone; and
determining whether the parameter value is within the preset range.
9. The method of claim 1 , wherein the working state of the bone conduction earphone includes an input voltage of the earphone core, and the feeding back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone comprises:
obtaining, based on the vibration response feature of the earphone core, a parameter value representing the input voltage of the earphone core;
determining whether the parameter value is within a voltage threshold; and
adjusting, in response to the determination that the parameter value is not within the voltage threshold, an amplitude of the audio signal input to the earphone core.
10. The method of claim 1 , wherein the feeding back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone comprises:
obtaining, based on the vibration response feature of the earphone core, a parameter value related to a physiological parameter of the user; and
opening or closing, based on the parameter value, an auxiliary module of the bone conduction earphone.
11. The method of claim 1 , wherein the vibration signal is obtained after the earphone core is coupled with skin of a human body; and the determining, based on the vibration signal and the audio signal, a vibration response feature of the earphone core includes:
determining, based on the vibration signal and the audio signal, a frequency response curve of the vibration of the earphone core; and
determining, based on the frequency response curve of the vibration of the earphone core, the vibration response feature of the earphone core.
12. A bone conduction earphone, including an obtaining module, a determination module, and a control module, wherein
the obtaining module is configured to obtain a vibration signal through at least one vibration sensor, the vibration signal being at least partially derived from vibration generated by the earphone core in response to an audio signal, and the vibration of the earphone core being transmitted to a user wearing the bone conduction earphone through bone conduction;
the determination module is configured to determine, based on the vibration signal and the audio signal, a vibration response feature of the earphone core; and
the control module is configured to feed back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone.
13. The bone conduction earphone of claim 12 , wherein the vibration response feature includes at least one of a resonance frequency of the earphone core, a response peak at a specific frequency, a quality factor, and an input voltage.
14. The bone conduction earphone according to claim 12 , wherein the working state of the bone conduction earphone includes a user wearing state and a user not wearing state, and to feed back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone,
the determination module is configured to determine, based on the vibration response feature of the earphone core, whether the working state is the user not wearing state; and
the control module is configured to generate, in response to the determination that the working state is the user not wearing state, an instruction to adjust a power consumption of the bone conduction earphone.
15. The bone conduction earphone according to claim 12 , wherein the working state of the bone conduction earphone includes a user well-wearing state and a user not well-wearing state, and to feed back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone,
the determination module is configured to determine, based on the vibration response feature of the earphone core, whether the working state is the user not well-wearing state; and
the control module is configured to control the bone conduction earphone issue, in response to the determination that the working state is the user not well-wearing state, a prompt message.
16. The bone conduction earphone of claim 12 , wherein the working state of the bone conduction earphone is related to a clamping force when the user wears the bone conduction earphone, and to feed back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone,
the determination module is configured to determine, based on the vibration response feature of the earphone core, whether the clamping force when the user wears the bone conduction earphone is within a preset range; and
the control module is configured to generate, in response to the determination that the clamping force is not within the preset range, an instruction to adjust a corresponding structure of the bone conduction earphone, so as to change the clamping force when the user wears the bone conduction earphone.
17. The bone conduction earphone of claim 16 , wherein to determine, based on the vibration response feature of the earphone core, whether the clamping force when the user wears the bone conduction earphone is within a preset range,
the obtaining module is configured to input the vibration response feature of the earphone core to a recognition model;
the obtaining module is configured to obtain, based on an output of the recognition model, a parameter value representing the clamping force when the user wears the bone conduction earphone; and
the determination module is configured to determine whether the parameter value is within the preset range.
18. The bone conduction earphone of claim 12 , wherein to feed back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone,
the determination module is configured to recognize a difference between the vibration response feature of the earphone core and a target vibration response feature; and
the control module is configured to perform, based on the difference, an EQ adjustment on the audio signal input to the earphone core.
19. The bone conduction earphone of claim 12 , wherein the working state of the bone conduction earphone includes an input voltage of the earphone core, and to feed back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone,
the obtaining module is configured to obtain, based on the vibration response feature of the earphone core, a parameter value representing the input voltage of the earphone core;
the determination module is configured to determine whether the parameter value is within a voltage threshold;
the control module is configured to adjust, in response to the determination that the parameter value is not within the voltage threshold, an amplitude of the audio signal input to the earphone core.
20. The bone conduction earphone of claim 12 , wherein to feed back, based on the vibration response feature of the earphone core, a working state of the bone conduction earphone,
the obtaining module is configured to obtain, based on the vibration response feature of the earphone core, a parameter value related to a physiological parameter of the user; and
the control module is configured to open or close, based on the parameter value, an auxiliary module of the bone conduction earphone.