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What is Data-Adaptive Filtering for Keyword Spotting about?

This paper presents a data-adaptive single-pole filtering method to improve keyword spotting (KWS) systems by smoothing magnitude spectra, which helps mitigate pitch and environmental mismatches. The proposed approach, which generates single-pole smoothed Mel frequency cepstral coefficients (SPS-MFCCs), shows a significant performance improvement of 86.12% over traditional MFCCs in pitch-mismatched conditions. The method adapts the pole magnitude for spectral smoothing based on the characteristics of the in

Author

jayantrout.fca

Language

EN