1. Boll, S.F.: Suppression of acoustic noise in speech using spectral subtraction. IEEE Trans. Acoust. Speech Signal Process. 27, 113–120 (1979)
2. Lockwood, P., Boudy, J.: Experiments with a nonlinear spectral sub tractor (NSS), hidden markov models and the projection, for robust speech recognition in cars. Speech Commun. 11(2–3), 215–228 (1992)
3. Soon, I., Koh, S., Yeo, C.: Selective magnitude subtraction for speech enhancement. In: Fourth International Conference High Performance Computing in the Asia-Pacific Region, vol. 2, pp. 692–695 (2000)
4. He, C., Zweig, G.: Adaptive two-band spectral subtraction with multi-window spectral estimation. ICASSP 2, 793–796 (1999)
5. Virag, N.: Single channel speech enhancement based on masking properties of the human auditory system. IEEE Trans. Speech Audio Process. 7, 126–137 (1999)