I.Y.Soon, S.N.Koh and C.K.Yeo, “Noisy speech enhancement using Discrete Cosine Transform”, Speech Communication, 1998
fdctf.m : DCT Wiener filter
fdctf2.m : DCT Wiener filter with residual noise suppression.
Soon IY, Koh SN, Yeo CK, Improved noise suppression filter using self-adaptive estimator of probability of speech absence, SIGNAL PROCESSING 75 (2): 151-159 JUN 1999.
MDATA.zip, : contains mdata.mat which in turns contains MMSE table lookup
fmalahs2.m : MMSE filter together with hard decision estimator for probability of speech absence
fmalahs3.m : MMSE filter together with soft decision estimator for probability of speech absence
I.Y. Soon, S. N. Koh, “Low Distortion Speech Enhancement”, IEE Proceedings-Vision Image and Signal Processing,vol. 147, Issue 3, pp. 247-253, Jun 2000.
fldct.m : low distortion DCT filter
fldft.m :low distortion DFT filter
signest.m : sign estimation function