CAJ | 학술논문

在音频信号处理电路中，在进行音量调节的时候也会产生音频噗噗噪声，为了抑制这种噪声带来的影响，我们设计了一种抑制这种由音量调节引起的噗噗噪声的电路，它通过将音量调节时产生的突变电压平坦化来抑制这种突变引起的音频噗噗声，提高声音的聆听效果。该电路采用0.5μm CMOS工艺，仿真和测试结果表明使用该抑制电路后，在调节音量的过程中不会有明显的噗噗噪声。
재음빈신호처리전로중，재진행음량조절적시후야회산생음빈박박조성，위료억제저충조성대래적영향，아문설계료일충억제저충유음량조절인기적박박조성적전로，타통과장음량조절시산생적돌변전압평탄화래억제저충돌변인기적음빈박박성，제고성음적령은효과。해전로채용0.5μm CMOS공예，방진화측시결과표명사용해억제전로후，재조절음량적과정중불회유명현적박박조성。
Undesirable audio click and pop may be generated in the audio signal processing circuit when the user adjusting volume. In order to suppress the effects of the noise,a circuit has been designd,which can inhibit the au-dio click and pop noise caused by voltage hop at volume adjustment. The circuits soften and flatten the mutations of voltage caused by volume adjustment,and curb the click and pop noise caused by this mutation to improve the effect of audio signal for listening. The circuit with the above features is fabricated with 0.5μm CMOS process. Simulation and test results indicate that there is no noticeable click and pop in the process of adjusting the volume after using the suppression circuit.