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Frequency based criterion for distinguishing tonal and noisy spectral components

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Author(s): Andrzej | Maciej

Journal: Signal Processing : An International Journal
ISSN 1985-2339

Volume: 4;
Issue: 1;
Start page: 1;
Date: 2010;
Original page

Keywords: tonal components detection | psychoacoustic modeling | instantaneous frequency estimation

ABSTRACT
A frequency-based criterion for distinguishing tonal and noisy spectral components is proposed. For considered spectral local maximum two instantaneous frequency estimates are determined and the difference between them is used in order to verify whether component is noisy or tonal. Since one of the estimators was invented specially for this application its properties are deeply examined. The proposed criterion is applied to the stationary and nonstationary sinusoids in order to examine its efficiency.
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