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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F07%3A03132082%21RIV08-GA0-21230___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Compression systems have a remarkable importance in nowadays communication systems. They minimize the data volume of the audio file, thus reducing channel bandwidth and capacity storage costs. Nevertheless, the quality of service (QoS) is degraded because irrelevancies and redundancies of the signal are discarded. This degradation can be measurable either by subjective or objective procedures. Since available objective procedures are built on the same principles as the compression systems they do not represent a reliable tool for this evaluation. This work is then a contribution to subjective procedures of evaluation where two of them were used. Compression systems have a remarkable importance in nowadays communication systems. They minimize the data volume of the audio file, thus reducing channel bandwidth and capacity storage costs. Nevertheless, the quality of service (QoS) is degraded because irrelevancies and redundancies of the signal are discarded. This degradation can be measurable either by subjective or objective procedures. Since available objective procedures are built on the same principles as the compression systems they do not represent a reliable tool for this evaluation. This work is then a contribution to subjective procedures of evaluation where two of them were used. Compression systems have a remarkable importance in nowadays communication systems. They minimize the data volume of the audio file, thus reducing channel bandwidth and capacity storage costs. Nevertheless, the quality of service (QoS) is degraded because irrelevancies and redundancies of the signal are discarded. This degradation can be measurable either by subjective or objective procedures. Since available objective procedures are built on the same principles as the compression systems they do not represent a reliable tool for this evaluation. This work is then a contribution to subjective procedures of evaluation where two of them were used.
dcterms:title
Statistical Analysis of Subjective Tests of Audio - Coding Systems Statistical Analysis of Subjective Tests of Audio - Coding Systems Statistical Analysis of Subjective Tests of Audio - Coding Systems
skos:prefLabel
Statistical Analysis of Subjective Tests of Audio - Coding Systems Statistical Analysis of Subjective Tests of Audio - Coding Systems Statistical Analysis of Subjective Tests of Audio - Coding Systems
skos:notation
RIV/68407700:21230/07:03132082!RIV08-GA0-21230___
n3:strany
Nečíslováno
n3:aktivita
n14:P
n3:aktivity
P(GA102/05/2054)
n3:dodaniDat
n12:2008
n3:domaciTvurceVysledku
n6:7478097
n3:druhVysledku
n7:D
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n9:predkladatel
n3:idSjednocenehoVysledku
452327
n3:idVysledku
RIV/68407700:21230/07:03132082
n3:jazykVysledku
n4:eng
n3:klicovaSlova
quality of service
n3:klicoveSlovo
n21:quality%20of%20service
n3:kontrolniKodProRIV
[9619A2C8F082]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
Proceedings of Workshop 2007
n3:obor
n13:JA
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
1
n3:projekt
n8:GA102%2F05%2F2054
n3:rokUplatneniVysledku
n12:2007
n3:tvurceVysledku
Herrera Martinez, Marcelo
n3:typAkce
n11:EUR
n3:zahajeniAkce
2007-02-19+01:00
s:numberOfPages
2
n16:hasPublisher
České vysoké učení technické v Praze
n19:isbn
978-80-01-03667-9
n20:organizacniJednotka
21230