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发明公开
CN106254983A 一种手机耳机电路 失效 - 放弃专利权

一种手机耳机电路
摘要：
本发明公开了一种手机耳机电路。该电路包括第一电容、第二电容、第一等效电阻、第二等效电阻、第三等效电阻、第一防串扰电路和第二防串扰电路；第一电容的一端接收左声道音频信号，第二电容的一端接收右声道音频信号，第一电容的另一端和第一等效电阻的一端连接，第二电容的另一端和第二等效电阻的一端连接，第一等效电阻和第二等效电阻的另一端连接后与第三等效电阻的一端连接，第三等效电阻的另一端接地；其中，第一防串扰电路串接在第一电容和第一等效电阻之间，第二防串扰电路串接在第二电容和第二等效电阻之间。通过上述方式，本发明能够降低左声道音频信号和右声道音频信号之间的串扰，从而提高耳机中立体声音频的分离度。
摘要（英）：

The invention discloses a mobile phone earphone circuit. The circuit comprises a first capacitor, a second capacitor, a first equivalent resistor, a second equivalent resistor, a third equivalent resistor, a first anti-crosstalk circuit and a second anti-crosstalk circuit; one end of the first capacitor receives a left channel audio signal, one end of the second capacitor receives a right channel audio signal, the other end of the first capacitor is connected with one end of the first equivalent resistor, the other end of the second capacitor is connected with one end of the second equivalent resistor, the other ends of the first equivalent resistor and the second equivalent resistor are connected with one end of the third equivalent resistor after being connected, and the other end of the third equivalent resistor is grounded, wherein the first anti-crosstalk circuit is serially connected between the first capacitor and the first equivalent resistor, and the second anti-crosstalk circuit is serially connected between the second capacitor and the second equivalent resistor. By means of the above manner, the mobile phone earphone circuit disclosed by the invention can reduce the crosstalk between the left channel audio signal and the right channel audio signal so as to improve the degree of separation of stereo audio in the earphone.

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