本次课程设计是用麦克风采集一段语音信号并对该语音信号进行滤波去噪处理。课程设计平台为MATLAB7.1。设计步骤为：首先采集一段语音信号并观察其频谱，然后设计一个汉明窗FIR滤波器，最后对该信号进行滤波。信号在进行滤波处理后，能够听到滤波后的语音信号和滤波前相比明显的变得清晰，基本达到了设计目的。,The curriculum design is a section of a microphone speech signal acquisition and filtering of the sp

MATLAB对语音信号加噪去噪处理，对语音信号进行高通、低通滤波-MATLAB adding noise to the speech signal denoising processing, speech signal high-pass, low-pass filtering

经典语音降噪算法，提高语音信号信噪比和语音可读性，谱减法源代码-Classic voice noise reduction algorithms to improve the readability of signal-to-noise ratio and the voice of the voice signal to spectral subtraction source code

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.

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)