EXFO EXpert IPTV Test Tools (FTB-200v2) - Manual (Page 9)

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A.2.1.6 Perceptual Quality Model ....................................................................................... 59
A.2.1.7 VQmon Markov Model (VMM) ............................................................................... 59
A.2.2
A UDIO S TREAM A NALYSIS ................................................................................................ 61
A.2.3 T ELCHEMY V IDEO Q UALITY M ETRICS .................................................................................. 62
A.2.3.1 Mean Opinion Scores (MOS) ................................................................................... 63
A.2.3.2 VQmon/HD Video Service Transmission Quality Metric ‐ VSTQ ............................... 64
A.2.3.3 Degradation Factors ............................................................................................... 65
A.3 IPTV
P ROTOCOLS .............................................................................................................. 66
A.4 PCR J ITTER ...................................................................................................................... 70
A.5 IGMP L ATENCY VS . Z AP TIME .............................................................................................. 71
APPENDIX B TECHNICAL SPECIFICATION ............................................................................... 74
TROUBLESHOOTING ............................................................................................................... 77
GLOSSARY ......................................................................................................................... 78