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Scale-invariant probabilistic latent component analysis

Abstract : In this paper, we present a new method to decompose musical spectrograms. This method transposes shift-invariant probabilistic latent component analysis (PLCA) which permits to decompose constant Q spectrograms (with a logarithmic frequency resolution) to standard short time Fourier transform spectrograms (with a linear frequency resolution). This makes it possible to easily use the method reconstruct the latent signals (which can be useful for source separation).
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https://hal.archives-ouvertes.fr/hal-00960765
Contributor : Roland Badeau <>
Submitted on : Tuesday, March 18, 2014 - 4:34:29 PM
Last modification on : Wednesday, October 14, 2020 - 1:11:49 PM
Long-term archiving on: : Wednesday, June 18, 2014 - 2:00:23 PM

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  • HAL Id : hal-00960765, version 1

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Romain Hennequin, Bertrand David, Roland Badeau. Scale-invariant probabilistic latent component analysis. 2014. ⟨hal-00960765⟩

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