About: Time Delay Estimation Algorithms for Echo Cancellation

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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
rdfs:seeAlso	http://dspace.vsb.cz/bitstream/handle/10084/84491/AEEE-2011-9-1-21-sakhnov.pdf
Description	This case study describes how to eliminate echo in a VoIP network using delay estimation algorithms. It is known that echo with long transmission delays becomes more noticeable to users. Thus, time delay estimation, as a part of echo cancellation, is an important topic during transmission of voice signals over packetswitching telecommunication systems. An echo delay problem associated with IP-based transport networks is discussed in the following text. The paper introduces the comparative study of time delay estimation algorithm, used for estimation of the true time delay between two speech signals. Experimental results of MATLab simulations that describe the performance of several methods based on cross-correlation, normalized crosscorrelation and generalized cross-correlation are also presented in the paper. This case study describes how to eliminate echo in a VoIP network using delay estimation algorithms. It is known that echo with long transmission delays becomes more noticeable to users. Thus, time delay estimation, as a part of echo cancellation, is an important topic during transmission of voice signals over packetswitching telecommunication systems. An echo delay problem associated with IP-based transport networks is discussed in the following text. The paper introduces the comparative study of time delay estimation algorithm, used for estimation of the true time delay between two speech signals. Experimental results of MATLab simulations that describe the performance of several methods based on cross-correlation, normalized crosscorrelation and generalized cross-correlation are also presented in the paper. (en)
Title	Time Delay Estimation Algorithms for Echo Cancellation Time Delay Estimation Algorithms for Echo Cancellation (en)
skos:prefLabel	Time Delay Estimation Algorithms for Echo Cancellation Time Delay Estimation Algorithms for Echo Cancellation (en)
skos:notation	RIV/68407700:21230/11:00184937!RIV12-MSM-21230___
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM6840770014)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šimák, Boris Sakhnov, Kirill Verteletskaya, Ekaterina
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	235354
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/11:00184937
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	echo delay estimation; cross-correlation (en)
http://linked.open.../riv/klicoveSlovo	cross-correlation echo delay estimation
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[9B61EC34FE8F]
http://linked.open...i/riv/nazevZdroje	Advances in Electrical and Electronic Engineering
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	9
http://linked.open...iv/tvurceVysledku	Sakhnov, Kirill Šimák, Boris Verteletskaya, Ekaterina
http://linked.open...n/vavai/riv/zamer	Výzkum perspektivních informačních a komunikačních technologií
issn	1804-3119
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	21230

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