Normalizing the Speech Modulation Spectrum for Robust Speech Recognition


This paper presents a novel feature normalization technique for robust speech recognition. The proposed technique normalizes the temporal structure of the feature to reduce the feature variation due to environmental interferences. Specifically, it normalizes the utterance-dependent feature modulation spectrum to a reference function by filtering the feature… (More)
DOI: 10.1109/ICASSP.2007.367246

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