Modeling Audio with Damped Sinusoids Using Total Least Squares Algorithms

Werner Verhelst (), K. Hermus (), P. Lemmerling (), P. Wambacq () and S. Van Huffel
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Werner Verhelst: ESAT-PSI, K. U.Leuven
K. Hermus: ESAT-PSI, K. U.Leuven
P. Lemmerling: ESAT-PSI, K. U.Leuven
P. Wambacq: ESAT-PSI, K. U.Leuven
S. Van Huffel: ESAT-PSI, K. U.Leuven

A chapter in Total Least Squares and Errors-in-Variables Modeling, 2002, pp 331-340 from Springer

Abstract: Abstract We demonstrate that damped sinusoidal modeling can be used to improve the modeling accuracy of current perceptual audio coders. We show that the model parameter estimation can be performed with TLS algorithms, and that a subband modeling approach results in TLS problems that are computationally much more tractable than the fullband approach. Experimental results indicate that subband TLS modeling can be effectively controlled using perceptual criteria.

Keywords: Audio coding; damped sinusoids; transients; total least squares; signal processing; Hankel TLS; subspace estimation; Hankel/Toeplitz matrix (search for similar items in EconPapers)
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-94-017-3552-0_29

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DOI: 10.1007/978-94-017-3552-0_29

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