基本谱减基础上，对噪声估计做出了改进；有汉语注释；读起来方便-Basic spectral subtraction based on the noise estimation made improvements annotated in Chinese read

最基本的语音增强，功率谱减和幅度谱减，有注释，方便易读-Most basic speech enhancement, power spectral subtraction and amplitude spectral subtraction, annotated, easy to read