1. J. Benesty, S. Makino, J. Chen (Eds.): Speech Enhancement (Springer, Berlin, Heidelberg 2005)
2. Y. Ephraim, I. Cohen: Recent advancements in speech enhancement. In: The Electrical Engineering Handbook, Circuits, Signals, and Speech and Image Processing, 3rd edn., ed. by R.C. Dorf (CRC, Boca Raton 2006) pp. 15-12-15-26, Chap. 15
3. Y. Ephraim, H. Lev-Ari, W.J.J. Roberts: A brief survey of speech enhancement. In: The Electronic Handbook, 2nd edn. (CRC-Press, Boca Raton 2005)
4. S.F. Boll: Suppression of acoustic noise in speech using spectral subtraction, IEEE Trans. Acoust. Speech Signal Process. 27(2), 113-120 (1979)
5. J.S. Lim, A.V. Oppenheim: Enhancement and bandwidth compression of noisy speech, Proc. IEEE 67(12), 1586-1604 (1979)