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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F06%3A03120996%21RIV07-MSM-21230___
rdf:type
n10:Vysledek skos:Concept
dcterms:description
The present paper deals with the subjective evaluation of audio-coding systems. From this evaluation, it is found that depending on the type of the signal and the algorithm of the audio-coding system used, different types of audible errors arise. These errors are called coding artefacts. Nevertheless while in the auditory domain there can be perceivable three kinds of artefacts, the author purposes that in the coding domain there is only one common cause for the artefact aparition, the non-efficient tracking of transient-stochastic signals. For this purpose, state-of-the art of audio coding systems use a wide range of signal processing techniques, from which the application of the wavelet transform is described here. The present paper deals with the subjective evaluation of audio-coding systems. From this evaluation, it is found that depending on the type of the signal and the algorithm of the audio-coding system used, different types of audible errors arise. These errors are called coding artefacts. Nevertheless while in the auditory domain there can be perceivable three kinds of artefacts, the author purposes that in the coding domain there is only one common cause for the artefact aparition, the non-efficient tracking of transient-stochastic signals. For this purpose, state-of-the art of audio coding systems use a wide range of signal processing techniques, from which the application of the wavelet transform is described here. Hodnoceni audio kompresnich artefaktu.
dcterms:title
Evaluation of audio compression artifacts Evaluation of audio compression artifacts Hodnoceni audio kompresnich artefaktu
skos:prefLabel
Hodnoceni audio kompresnich artefaktu Evaluation of audio compression artifacts Evaluation of audio compression artifacts
skos:notation
RIV/68407700:21230/06:03120996!RIV07-MSM-21230___
n3:aktivita
n15:Z n15:S
n3:aktivity
S, Z(MSM6840770014)
n3:dodaniDat
n12:2007
n3:domaciTvurceVysledku
n7:7478097
n3:druhVysledku
n6:A
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
474681
n3:idVysledku
RIV/68407700:21230/06:03120996
n3:jazykVysledku
n17:eng
n3:klicovaSlova
artifacts; compression; psychoacoustics; wavelets ortogonal transforms
n3:klicoveSlovo
n4:artifacts n4:psychoacoustics n4:compression n4:wavelets%20ortogonal%20transforms
n3:kodPristupu
n5:L
n3:kontrolniKodProRIV
[2CC2C160FC97]
n3:mistoVydani
Praha
n3:nosic
neuvedeno
n3:obor
n18:BI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
1
n3:rokUplatneniVysledku
n12:2006
n3:tvurceVysledku
Herrera Martinez, Marcelo
n3:zamer
n11:MSM6840770014
n13:organizacniJednotka
21230