Adaptive Thresholding of DFT Coefficients based on Probability Distribution of Additive Noise

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F10%3APU86138" target="_blank" >RIV/00216305:26220/10:PU86138 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Adaptive Thresholding of DFT Coefficients based on Probability Distribution of Additive Noise

Original language description

The proposed method of adaptive thresholding uses probability distribution of additive noise signal, by which the input signal is corrupted. The additive noise with non-uniformly distributed power spectral density can be reduced via normalization process. The method is focused on musical signal corrupted by the noise with relative high input signal-to-noise ratio ranging between 20 and 30 dB. The method uses the thresholding of coefficients of Discrete Fourier transform (DFT). Minimal signal distortionshould be introduced by this method. In conclusion the method is tested for noise reduction efficiency and size of degradation of processed signal.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

JA - Electronics and optoelectronics

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2010

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

WSEAS Transactions on Signal Processing

ISSN

1790-5052

e-ISSN

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Volume of the periodical

2009

Issue of the periodical within the volume

12

Country of publishing house

GR - GREECE

Number of pages

10

Pages from-to

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UT code for WoS article

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EID of the result in the Scopus database

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