wiener filter for enhancement audio file

语音增强算法，小波变换的相关程序。输出图形及音频结果。-Speech enhancement algorithms, wavelet transform procedures. Output graphics and audio results.

非负矩阵分解，可以用于语音分离等，参考文献：N. Mohammadiha, P. Smaragdis and A. Leijon, “Supervised and Unsupervised Speech enhancement Using Nonnegative Matrix Factorization,” IEEE Trans. audio, Speech, and Language Process., vol. 21, no. 10, pp. 2140–2151, oct. 2013

语音增强中的子空间算法，klt算法以及pklt算法，内附参考文献。- folder contains subspace algorithms: REFERENCES Hu,Y.and Loizou,P.(2003).A generalized subspace approach for enhancing speech corrupted by colored noise.IEEE Trans. on Speech and audio Processing,11,334-341.