1. Robust speech recognition using hidden Markov models and state-based filtering;Beattie,1991
2. Hidden Markov model state-based cepstral noise compensation;Beattie,1992
3. An hypothesised Wiener filtering approach to noisy speech recognition;Berstein,1991
4. Suppression of acoustic noise in speech using spectral subtraction;Boll;IEEE Trans. Acoust. Speech Signal Process.,1979
5. Application of a weighted projection measure for robust HMM-based speech recognition;Carlson,1991