Method for improving sound quality of headset and mobile terminal
A technology for mobile terminals and earphones, which is applied to earpieces/earphone accessories, transducer circuits, sensors, etc., can solve problems such as poor sealing, reduced sound quality, and leakage of sound signals, so as to improve the sound quality of earphones, improve the sense of hearing, and meet high requirements. The effect of quality requirements
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[0027] Example one
[0028] The first embodiment of the present invention provides a solution for obtaining the corresponding signal gain value by obtaining the pressure between the earphone and the ear, and adjusting the gain value of the audio signal output by the earphone according to the obtained signal gain value to improve the sound quality of the earphone. as follows:
[0029] Such as figure 1 As shown, the method for improving the sound quality of earphones in the first embodiment of the present invention includes:
[0030] Step 101: Detect the pressure between the earphone and the ear contact surface to obtain a pressure value.
[0031] The pressure value is used to adjust the gain value of the audio signal output by the earphone, and the general range is 0-8N.
[0032] Step 102: Determine a signal gain value corresponding to the obtained pressure value according to a preset corresponding relationship between pressure and signal gain.
[0033] Among them, the corresponding rela...
Example Embodiment
[0049] Example two
[0050] The method for improving the sound quality of earphones (taking a low frequency signal as an example) provided by the second embodiment of the present invention is specifically as follows:
[0051] Such as image 3 As shown, by adding a pressure sensor 302 to the periphery of the existing headphone head 301 (the pressure sensor 302 can be arranged in the headphone head, and then a through hole is provided on the headphone head 301, the pressure sensor 302 is exposed through the through hole, and then Contact with the human ear) to detect the sealing performance between the earphone head 301 and the human ear when it is inserted into the ear. According to the result detected by the pressure sensor 302, it is fed back to the control terminal to increase the gain of the earphone output signal and compensate for the sealing A poor degree results in leakage of the lost acoustic signal, thereby improving the sound quality and sense of hearing.
[0052] In order...
Example Embodiment
[0071] Example three
[0072] Such as Image 6 As shown, the mobile terminal in the third embodiment of the present invention includes:
[0073] The first detection module 601 is used to detect the pressure between the earphone and the contact surface of the ear to obtain a pressure value.
[0074] The pressure value is used to adjust the gain value of the audio signal output by the earphone, and the general range is 0-8N.
[0075] The determining module 602 is configured to determine the signal gain value corresponding to the obtained pressure value according to the preset corresponding relationship between the pressure and the signal gain.
[0076] Among them, the corresponding relationship between the preset pressure and the signal gain can be obtained through the preliminary test test, and the signal gain can be the target gain (the gain that needs to be adjusted to achieve) or the gain that needs to be compensated.
[0077] The adjustment module 603 is configured to adjust the audio...
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