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，提高信噪比和可读性，适用于平稳高斯噪声环境-Wiener filtering algorithm to improve the signal-to-noise ratio and readability, applicable to stationary Gaussian noise environment