Noise reduction circuit, module and reverse-phase sound wave generator

The utility model is applied to the technical field of computers, and discloses a noise reduction circuit, a module and an inverted sound wave generator, and the noise reduction circuit comprises a pickup module which is used for collecting a noise signal and outputting the noise signal; the processing module is connected with the pickup module and is used for receiving the noise signal and outputting an inverted sound signal of the noise signal; and the playing module is connected with the processing module and is used for receiving and playing the inverted sound signal. Therefore, the technical problem of poor user experience caused by high noise of a traditional computer is solved. 本申请应用于计算机技术领域，公开了一种降噪电路、模组以及反相声波发生器，所述降噪电路包括：拾音模块，所述拾音模块用于采集噪音信号，并输出所述噪音信号；处理模块，所述处理模块与所述拾音模块连接，用于接收所述噪音信号，并输出所述噪音信号的反相声音信号；播放模块，所述播放模块与所述处理模块连接，用于接收所述反相声音信号并播放。从而解决传统的计算机噪声大，导致用户体验感差的技术问题。