Exfo EXpert IPTV Test Tools (FTB-200v2) Manuale Utente Pagina 9

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A.2.1.6 PerceptualQualityModel.......................................................................................59
A.2.1.7 VQmonMarkovModel(VMM)...............................................................................59
A.2.2
AUDIOSTREAMANALYSIS................................................................................................61
A.2.3
TELCHEMYVIDEOQUALITYMETRICS..................................................................................62
A.2.3.1 MeanOpinionScores(MOS)...................................................................................63
A.2.3.2 VQmon/HDVideoServiceTransmissionQualityMetric‐VSTQ...............................64
A.2.3.3 DegradationFactors...............................................................................................65
A.3 IPTV
PROTOCOLS..............................................................................................................66
A.4 PCR
JITTER......................................................................................................................70
A.5 IGMP
LATENCYVS.ZAPTIME..............................................................................................71
APPENDIXB TECHNICALSPECIFICATION...............................................................................74
TROUBLESHOOTING...............................................................................................................77
GLOSSARY.........................................................................................................................78
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