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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F06%3APU62492%21RIV11-MPO-26220___
rdf:type
skos:Concept n21:Vysledek
dcterms:description
This paper deals with the method of voice activity detection. The paper aims especially to two detector types; these are the detector based on short-time signal energy and statistical model-based voice activity detector. Decision-making rules of the statistical model-based detector are derived from the LRT %(Likelihood Ratio Test) by estimating unknown parameters using the ML %(Maximum Likelihood) criterion. In addition there is an effective hang-over scheme based on HMM %(Hidden Markov Model) principles in the detector. The results were evaluated and compared for various types of noises and SNR values. This paper deals with the method of voice activity detection. The paper aims especially to two detector types; these are the detector based on short-time signal energy and statistical model-based voice activity detector. Decision-making rules of the statistical model-based detector are derived from the LRT %(Likelihood Ratio Test) by estimating unknown parameters using the ML %(Maximum Likelihood) criterion. In addition there is an effective hang-over scheme based on HMM %(Hidden Markov Model) principles in the detector. The results were evaluated and compared for various types of noises and SNR values.
dcterms:title
Statistical Based Voice Activity Detector Statistical Based Voice Activity Detector
skos:prefLabel
Statistical Based Voice Activity Detector Statistical Based Voice Activity Detector
skos:notation
RIV/00216305:26220/06:PU62492!RIV11-MPO-26220___
n4:aktivita
n7:P n7:Z
n4:aktivity
P(FT-TA2/072), P(GA102/06/1233), Z(MSM0021630513)
n4:dodaniDat
n15:2011
n4:domaciTvurceVysledku
n5:6209769
n4:druhVysledku
n20:D
n4:duvernostUdaju
n10:S
n4:entitaPredkladatele
n18:predkladatel
n4:idSjednocenehoVysledku
501468
n4:idVysledku
RIV/00216305:26220/06:PU62492
n4:jazykVysledku
n19:eng
n4:klicovaSlova
voice activity detector hidden markov model
n4:klicoveSlovo
n6:voice%20activity%20detector%20hidden%20markov%20model
n4:kontrolniKodProRIV
[85EED79BA341]
n4:mistoKonaniAkce
Lodz, Poland
n4:mistoVydani
Lodz, Poland
n4:nazevZdroje
Proceedings of International Conference on Signals and Electronic Systems
n4:obor
n17:JA
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
1
n4:projekt
n11:FT-TA2%2F072 n11:GA102%2F06%2F1233
n4:rokUplatneniVysledku
n15:2006
n4:tvurceVysledku
Sysel, Petr
n4:typAkce
n22:WRD
n4:zahajeniAkce
2006-09-17+02:00
n4:zamer
n16:MSM0021630513
s:numberOfPages
3
n14:hasPublisher
Lodz
n9:isbn
83-921172-5-5
n13:organizacniJednotka
26220