MVDR based feature extraction for robust speech recognition

Abstract

This paper describes a robust feature extraction method for continuous speech recognition. Central to the method is the Minimum Variance Distortionless Response (MVDR) method of spectrum estimation and a feature trajectory smoothing technique for reducing the variance in the feature vectors. The above method, when evaluated on continuous speech recognition… (More)
DOI: 10.1109/ICASSP.2001.940829

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