On line spectral frequencies

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 2003Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Signal Processing Letters, volume 10, pages 75-77 (issn: 1070-9908, eissn: 1558-2361,

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Authors: W. Bastiaan Kleijn; Tom Bäckström; Paavo Alku;

doi: 10.1109/lsp.2003.809035

On line spectral frequencies

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Abstract

The commonly used line spectral frequencies form the roots of symmetric and antisymmetric polynomials constructed from a linear predictor. We provide a new, simpler proof that the symmetric and antisymmetric polynomials can be regarded as optimal constrained predictors that correspond to predicting from the low-pass and high-pass filtered signal, respectively.

Related Organizations

Royal Institute of Technology
Sweden
University of Helsinki
Finland

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