A framework for robust MFCC feature extraction using SNR-dependent compression of enhanced mel filter bank energies

Abstract

The Mel-frequency cepstral coefficients (MFCC) are most widely used and successful features for speech recognition. But, their performance degrades in presence of additive noise. In this paper, we propose a noise compensation method for Mel filter bank energies and so MFCC features. This compensation method includes two steps: Mel sub-band spectral… (More)

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