A time warper for speech signals

R. J. Sluijter; A. J.E.M. Janssen

doi:10.1109/SCFT.1999.781514

A time warper for speech signals

R. J. Sluijter, A. J.E.M. Janssen

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

9 Citaten (Scopus)

Samenvatting

A parabolic time warper designed to enhance the stationarity of voiced speech segments, is presented. It is shown how, for a harmonic signal segment, the parabolic time warping function can remove the part of the frequency variation which progresses linearly with time, without changing the time duration of that segment. In the actual implementation of the time warping system, the linear part of the pitch frequency variation in a segment is removed on the basis of maximization of the pitch-related autocorrelation peak of the warped signal. As a by-product, the time warper yields a very reliable pitch estimation. An example on real speech is discussed.

Originele taal-2	Engels
Titel	1999 IEEE Workshop on Speech Coding
Subtitel	Model, Coders, and Error Criteria, Proceedings
Plaats van productie	Piscataway
Uitgeverij	Institute of Electrical and Electronics Engineers
Pagina's	150-152
Aantal pagina's	3
ISBN van elektronische versie	0780356519, 9780780356511
DOI's	https://doi.org/10.1109/SCFT.1999.781514
Status	Gepubliceerd - 1 jan. 1999
Extern gepubliceerd	Ja
Evenement	6th IEEE Workshop on Speech Coding - Porvoo, Finland Duur: 20 jun. 1999 → 23 jun. 1999

Congres

Congres	6th IEEE Workshop on Speech Coding
Land/Regio	Finland
Stad	Porvoo
Periode	20/06/99 → 23/06/99

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AB - A parabolic time warper designed to enhance the stationarity of voiced speech segments, is presented. It is shown how, for a harmonic signal segment, the parabolic time warping function can remove the part of the frequency variation which progresses linearly with time, without changing the time duration of that segment. In the actual implementation of the time warping system, the linear part of the pitch frequency variation in a segment is removed on the basis of maximization of the pitch-related autocorrelation peak of the warped signal. As a by-product, the time warper yields a very reliable pitch estimation. An example on real speech is discussed.

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A time warper for speech signals

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Congres

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