经典语音降噪算法——维纳滤波算法。实现提高语音信号信噪比，提高可读性。-Classic voice noise reduction algorithm- Wiener filtering algorithm. Improve the signal-to-noise ratio of the speech signal, improve readability.

针对异步电机形成复合故障时电流频谱存在的故障频率成分难以准确分离的问题，结合 小波降噪算法与共振解调技术，提出一种异步电机复合故障分离方法。-For questions asynchronous motors form a complex spectrum of the existence of the fault current is difficult to accurately separate frequency component failure, combined Wavel

维纳滤波算法，可以实现对语音信号的降噪，效果还可以(Wiener filtering algorithm, it can achieve noise reduction on speech signals)