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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F10%3A00171009%21RIV11-MSM-21230___
rdf:type
n8:Vysledek skos:Concept
dcterms:description
In this paper, we propose a method for enhancing speech corrupted by broadband noise. The method is based on the spectral subtraction technique. Besides reducing the noise conventional spectral subtraction introduces an annoying residual musical noise. To eliminate the musical noise we propose to introduce reduced varying scaling factor of spectral subtraction, with a following application of weighted function. Weighting function, used in the proposed algorithm, attenuates frequency spectrum components lying outside identified formants regions. Algorithm effects a substantial reduction of the musical noise without significantly distorting the speech. Listening tests were performed to determinate the subjective quality and intelligibility of speech enhanced by our method. In this paper, we propose a method for enhancing speech corrupted by broadband noise. The method is based on the spectral subtraction technique. Besides reducing the noise conventional spectral subtraction introduces an annoying residual musical noise. To eliminate the musical noise we propose to introduce reduced varying scaling factor of spectral subtraction, with a following application of weighted function. Weighting function, used in the proposed algorithm, attenuates frequency spectrum components lying outside identified formants regions. Algorithm effects a substantial reduction of the musical noise without significantly distorting the speech. Listening tests were performed to determinate the subjective quality and intelligibility of speech enhanced by our method.
dcterms:title
Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion
skos:prefLabel
Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion
skos:notation
RIV/68407700:21230/10:00171009!RIV11-MSM-21230___
n4:aktivita
n13:Z n13:S
n4:aktivity
S, Z(MSM6840770014)
n4:dodaniDat
n9:2011
n4:domaciTvurceVysledku
n20:2360403 n20:8055270
n4:druhVysledku
n19:D
n4:duvernostUdaju
n7:S
n4:entitaPredkladatele
n21:predkladatel
n4:idSjednocenehoVysledku
257229
n4:idVysledku
RIV/68407700:21230/10:00171009
n4:jazykVysledku
n18:eng
n4:klicovaSlova
speech enhancement, spectral subtraction; musical noise; weighting function; noise estimation; VAD
n4:klicoveSlovo
n6:musical%20noise n6:weighting%20function n6:noise%20estimation n6:VAD n6:spectral%20subtraction n6:speech%20enhancement
n4:kontrolniKodProRIV
[04626347A04C]
n4:mistoKonaniAkce
Rio de Janeiro
n4:mistoVydani
Rio de Janeiro
n4:nazevZdroje
IWSSIP 2010 Proceedings
n4:obor
n5:JA
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:rokUplatneniVysledku
n9:2010
n4:tvurceVysledku
Verteletskaya, Ekaterina Šimák, Boris
n4:typAkce
n11:WRD
n4:zahajeniAkce
2010-06-17+02:00
n4:zamer
n15:MSM6840770014
s:numberOfPages
4
n14:hasPublisher
EdUFF - Editora da Universidade Federal Fluminense
n16:isbn
978-85-228-0565-5
n17:organizacniJednotka
21230