Signal Characterization in terms of Sinusoidal and Non-Sinusoidal ComponentsReport as inadecuate




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1 Analyse et synthèse sonores Paris STMS - Sciences et Technologies de la Musique et du Son

Abstract : This paper addresses the problem of signal characterization in terms of sinusoidal and non-sinusoidal components. A first measure of sinusoidality is reviewed. Drawbacks of this sinusoidal estimator are investigated and solutions proposed. Estimation of sinusoidality on non-stationary signal is then made on a pre-processed signal. A phase derived sinusoidality measure and the use of Re-estimated Spectra are introduced which allow deriving very precise and local characteristics. Finally, this characterization is used in a new synthesis scheme using Additive and PSOLA synthesis.

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Keywords : characterization PSOLA phase sinusoidal

Mots-clés : Informatique musicale





Author: Geoffroy Peeters - Xavier Rodet -

Source: https://hal.archives-ouvertes.fr/



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