About: E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Speech quality evaluation is one of the fundamental aspects of telecommunications which has been frequently discussed since the inception of Internet telephony. Voice services providers should ensure adequate connection quality to end users. Using speech quality evaluation, they try to identify possible issues and to prevent service quality degradation as early as when the network is being designed. This article focuses on a non-intrusive method of speech quality evaluation in accordance with ITU-T recommendation G.107, known as the E-model. Real measurements that were carried out depending on codec tandeming in the communication system and causing the packet loss in IP telephony differed from results obtained using the PESQ method. This lead the authors to carry out an experiment in which the given scenario would be measured, its results assessed and a correction function that would fine-tune the E-model for tandeming was drafted. Speech quality evaluation is one of the fundamental aspects of telecommunications which has been frequently discussed since the inception of Internet telephony. Voice services providers should ensure adequate connection quality to end users. Using speech quality evaluation, they try to identify possible issues and to prevent service quality degradation as early as when the network is being designed. This article focuses on a non-intrusive method of speech quality evaluation in accordance with ITU-T recommendation G.107, known as the E-model. Real measurements that were carried out depending on codec tandeming in the communication system and causing the packet loss in IP telephony differed from results obtained using the PESQ method. This lead the authors to carry out an experiment in which the given scenario would be measured, its results assessed and a correction function that would fine-tune the E-model for tandeming was drafted. (en)
Title	E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming (en)
skos:prefLabel	E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming (en)
skos:notation	RIV/61989100:27240/10:86075350!RIV11-MSM-27240___
http://linked.open...avai/riv/aktivita	R V
http://linked.open...avai/riv/aktivity	R, V
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Tomeš, Martin Vozňák, Miroslav
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	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta elektrotechniky a informatiky
http://linked.open...dnocenehoVysledku	257021
http://linked.open...ai/riv/idVysledku	RIV/61989100:27240/10:86075350
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PESQ, E-model, MOS, Speech quality, codecs tandeming, IP telephony (en)
http://linked.open.../riv/klicoveSlovo	E-model Speech quality codecs tandeming MOS PESQ IP telephony
http://linked.open...ontrolniKodProRIV	[39288C59B687]
http://linked.open...v/mistoKonaniAkce	Faro, Portugal
http://linked.open...i/riv/mistoVydani	Atheny
http://linked.open...i/riv/nazevZdroje	PROCEEDINGS OF THE 9TH WSEAS INTERNATIONAL CONFERENCE ON DATA NETWORKS, COMMUNICATIONS, COMPUTERS (DNCOCO '09)
http://linked.open...in/vavai/riv/obor	IN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Vozňák, Miroslav Halás, Michal Václavíková, Zuzana Tomeš, Martin
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-11-03 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	WSEAS
https://schema.org/isbn	978-960-474-245-5
http://localhost/t...ganizacniJednotka	27240
is http://linked.open...avai/riv/vysledek of	E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming E-model Improvement for Speech Quality Evaluation Including Codecs Tandeming

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