几种增强算法的总结，MATLAB代码，算法包括有：谱减法，MMSE-LOGSTSA ,MMSE-ST-DFT ,decision-Directed method,multi-band 谱减法等-A summary of several enhancement algorithm, MATLAB code, the algorithm include: spectral subtraction, MMSE-LOGSTSA, MMSE-ST-DFT, decision-Directed method