NDLI: Objective quality measures for glottal inverse filtering of speech pressure signals

Content Provider	IEEE Xplore Digital Library
Author	Backstrom, T. Airas, M. Lehto, L. Alku, P.
Copyright Year	2005
Description	Author affiliation: Lab. of Acoust. & Audio Signal Process., Helsinki Univ. of Technol., Finland (Backstrom, T.; Airas, M.; Lehto, L.; Alku, P.)
Abstract	Glottal inverse filtering is a process where the effects of the vocal tract are cancelled from the speech signal in order to estimate the voice source. Traditionally, inverse filtering methods have involved a high level of manual tuning of parameters, such as the vocal tract model order. We present objective heuristics for the measurement of the quality of the resulting glottal flow estimate. In addition, we propose an automatic method for determining the order of the vocal tract all-pole model in inverse filtering based on phase-plane analysis and estimation of the glottal flow kurtosis.
Sponsorship	IEEE Signal Processing Soc
File Size	219721
File Format	PDF
ISBN	0780388747
ISSN	15206149
DOI	10.1109/ICASSP.2005.1415259
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pressure measurement Filtering algorithms Fluid flow measurement Speech analysis Linear predictive coding Acoustic measurements Signal processing Acoustic waves Iterative algorithms Predictive models
Content Type	Text
Resource Type	Article

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Objective quality measures for glottal inverse filtering of speech pressure signals