Speech recognition in noisy environments using first-order vector Taylor series

Abstract

Ž . In this paper, we generalize relations between clean and noisy speech signal using vector Taylor series VTS expansion Ž . for noise-robust speech recognition. We use it for both the noisy data compensation and hidden Markov model HMM parameter adaptation, and apply it for the cepstral domain directly, while Moreno used it to estimate the log-spectral… (More)
DOI: 10.1016/S0167-6393(97)00061-7

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