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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F08%3APU77673%21RIV10-MSM-26220___
rdf:type
skos:Concept n10:Vysledek
dcterms:description
The basic problem of the single-channel speech enhancement methods lies in a rapid and precise method for estimating noise, on which the quality of enhancement method depends. The paper describes a new method of power spectral density estimation using wavelet transform in spectral domain. To reduce periodogram variance the proposed method use the procedure of thresholding the wavelet coefficients of a periodogram. Then the smoothed estimate of power spectral density of noise is obtained using the inverse discrete wavelet transform. The basic problem of the single-channel speech enhancement methods lies in a rapid and precise method for estimating noise, on which the quality of enhancement method depends. The paper describes a new method of power spectral density estimation using wavelet transform in spectral domain. To reduce periodogram variance the proposed method use the procedure of thresholding the wavelet coefficients of a periodogram. Then the smoothed estimate of power spectral density of noise is obtained using the inverse discrete wavelet transform.
dcterms:title
Estimation of Power Spectral Density using Wavelet Thresholding Estimation of Power Spectral Density using Wavelet Thresholding
skos:prefLabel
Estimation of Power Spectral Density using Wavelet Thresholding Estimation of Power Spectral Density using Wavelet Thresholding
skos:notation
RIV/00216305:26220/08:PU77673!RIV10-MSM-26220___
n3:aktivita
n13:Z n13:P
n3:aktivity
P(1ET110540521), P(GA102/06/1233), P(GA102/07/1303), Z(MSM0021630513)
n3:cisloPeriodika
1
n3:dodaniDat
n14:2010
n3:domaciTvurceVysledku
n6:7271247 n6:6209769
n3:druhVysledku
n17:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
366551
n3:idVysledku
RIV/00216305:26220/08:PU77673
n3:jazykVysledku
n19:eng
n3:klicovaSlova
speech enhancement, power spectral density, periodogram, wavelet thresholding
n3:klicoveSlovo
n8:wavelet%20thresholding n8:periodogram n8:power%20spectral%20density n8:speech%20enhancement
n3:kodStatuVydavatele
GR - Řecká republika
n3:kontrolniKodProRIV
[51E4592B6093]
n3:nazevZdroje
WSEAS Applied Informatics & Communications
n3:obor
n18:JA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n4:GA102%2F07%2F1303 n4:1ET110540521 n4:GA102%2F06%2F1233
n3:rokUplatneniVysledku
n14:2008
n3:svazekPeriodika
2008
n3:tvurceVysledku
Mišurec, Jiří Sysel, Petr
n3:wos
000264171900035
n3:zamer
n16:MSM0021630513
s:issn
1790-5117
s:numberOfPages
5
n12:organizacniJednotka
26220