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St. Petersburg Polytechnical University Journal. Computer Science. Telecommunication and Control Systems, 2015, Issue 5(229), Pages 88–96
DOI: https://doi.org/10.5862/JCSTCS.229.9 (Mi ntitu129) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Intellectual Systems and Technologies

Audio files compression with the STLS-ESM method

E. M. Khassinaa, A. A. Lomovb

a Novosibirsk State University
b Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk
Full-text PDF (343 kB) Citations (1)
DOI: https://doi.org/10.5862/JCSTCS.229.9
Abstract: In the paper an audio compression algorithm based on modeling an audio signal by a partial solution of a certain difference equation in the time domain is investigated. The signal is modeled as a sum of exponentially damped sinusoids. Such an approach is thought to be efficient in modeling the transient segments that are present in speech audio signals and audio signals generated by conventional musical instruments. In order to approximate an audio signal frame with a solution of a difference equation, a variational (STLS) problem is solved using the inverse iteration algorithm with an updating inverse matrix. The $\alpha$-version of the audio codec based on the STLS-ESM scheme was created and tested in comparison with LAME MP3 codec.
Keywords: audio signals modeling, audio codec, exponential sinusoidal model, parametric identification, difference equations, variational identification method, structured total least squares.
Funding agency Grant number
Russian Foundation for Basic Research 13-01-00329_a
The work has been supported by the Russian Foundation for Basic Research (project No. 13-01-00329).
Document Type: Article
UDC: 004.627
Language: English
Citation: E. M. Khassina, A. A. Lomov, “Audio files compression with the STLS-ESM method”, St. Petersburg Polytechnical University Journal. Computer Science. Telecommunication and Control Sys, 2015, no. 5(229), 88–96
Citation in format AMSBIB
\Bibitem{KhaLom15}
\by E.~M.~Khassina, A.~A.~Lomov
\paper Audio files compression with the STLS-ESM method
\jour St. Petersburg Polytechnical University Journal. Computer Science. Telecommunication and Control Sys
\yr 2015
\issue 5(229)
\pages 88--96
\mathnet{http://mi.mathnet.ru/ntitu129}
\crossref{https://doi.org/10.5862/JCSTCS.229.9}
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    • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Computing, Telecommunication and Control
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