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Comparison of noisy speech enhancement algorithms in terms of LPC perturbation

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1 Author(s)
Ahmed, M.S. ; Dept. of Syst. Eng., King Fahd Univ. of Pet. & Miner., Dhahran

A number of noisy speech enhancement algorithms are experimentally compared in terms of linear predictive coding (LPC) perturbations. The enhancement algorithms considered are simple spectral subtraction, spectral oversubtraction with use of a spectral floor, spectral subtraction with residual noise removal, and time-domain and frequency-domain adaptive minimum mean-square-error filtering. LPC perturbations considered are LPC cepstral distance, log likelihood ratios, and weighted likelihood ratio

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:37 ,  Issue: 1 )