说明：  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. Jabloun,F.and Champagne,B.(2003). Incorporating the human hearing properties in the signal subspace approach for speech enhancement. IEEE Trans.on Speech and Audio Processing, 11(6), 700-708.)