1. Special Issue on diffusion maps and wavelets, Appl. Comput. Harmon. Anal. 21, (2006).
2. J. Berger, R. Coifman, M. Goldberg, Removing noise from music using local trigonometric bases and wavelet packets, Jour. Audio Eng. Soc., 808-818, (1994).
3. R. Bilger, J. Nuetzel, W. Rabinowitz and C. Rzeczowski, Standardization of a test of speech perception in noise, J. Speech Hear. Res., 27, 32-48 (1984).
4. S. Boll, Suppression of acoustic noise in speech using spectral subtraction, IEEE Trans. Accoustics, Speech, and Sig. Proc. 27, 113-120, (1979).
5. S. Boll, Speech enhancement in the 1980’s: noise suppression with patern matching. In S. Furui and M. Sondhi, editors, Advances in Speech Signal Processing, Marcel Dekker, 309-326.