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Article Dans Une Revue Pattern Recognition Letters Année : 2007

On Cepstral and All-Pole based Spectral Envelope Modeling with unknown Model order

Résumé

In this work we investigate spectral envelope estimation for harmonic signals. We address the issue of model order selection and propose to make use of the fact that the spectral envelope is sampled by means of the harmonic structure of the signal in order to derive upper bounds for the estimator order. An experimental study is performed using synthetic test signals with various fundamental frequencies and different model structures to evaluate the performance of the envelope models. Experimental results confirm the relation between optimal model order and fundamental frequency.
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Dates et versions

hal-01106287 , version 1 (20-01-2015)

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  • HAL Id : hal-01106287 , version 1

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Axel Roebel, Fernando Villavicencio, Xavier Rodet. On Cepstral and All-Pole based Spectral Envelope Modeling with unknown Model order. Pattern Recognition Letters, 2007, 28 (11), pp.1343-1350. ⟨hal-01106287⟩
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