About: Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion (en)
skos:prefLabel	Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion Enhanced Spectral Subtraction Method for Noise Reduction with Minimal Speech Distortion (en)
skos:notation	RIV/68407700:21230/10:00171009!RIV11-MSM-21230___
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM6840770014)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Verteletskaya, Ekaterina Šimák, Boris
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	257229
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/10:00171009
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	speech enhancement, spectral subtraction; musical noise; weighting function; noise estimation; VAD (en)
http://linked.open.../riv/klicoveSlovo	spectral subtraction VAD speech enhancement musical noise noise estimation weighting function
http://linked.open...ontrolniKodProRIV	[04626347A04C]
http://linked.open...v/mistoKonaniAkce	Rio de Janeiro
http://linked.open...i/riv/mistoVydani	Rio de Janeiro
http://linked.open...i/riv/nazevZdroje	IWSSIP 2010 Proceedings
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Šimák, Boris Verteletskaya, Ekaterina
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-06-17 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Výzkum perspektivních informačních a komunikačních technologií
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	EdUFF - Editora da Universidade Federal Fluminense
https://schema.org/isbn	978-85-228-0565-5
http://localhost/t...ganizacniJednotka	21230

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