8
7.1
SIMULTANEOUSTESTINGOFMULTIPLECHANNELS.................................................................22
7.2
PASSIVETEST..................................................................................................................22
7.3
SETTOPBOXEMULATIONTEST..........................................................................................24
7.4
ETHERNETINTERFACESTATUS..............................................................................................25
CHAPTER8 GETTINGIPTVMETRICS....................................................................................26
8.1
BASICIPTVMETRICSTEST................................................................................................26
Definitions:............................................................................................................................27
8.2
LIVESTREAMPREVIEW.......................................................................................................28
8.3
ADVANCEDIPTVMETRICSTEST...........................................................................................29
8.3.1
VIDEOPERCEPTUALQUALITYMETRICS...............................................................................29
8.3.2
TRANSPORTPACKETMETRICS...............................................................................................31
8.3.3.
MPEG‐TSTR101290PRIORITY.....................................................................................33
8.3.4
AUDIODESCRIPTIONANDPERCEPTUALMETRICSINFORMATION............................................... 35
8.3.5
VIDEOFRAMEMETRICS..................................................................................................37
8.3.6.
VIDEOBANDWIDTH.......................................................................................................39
8.3.7
METRICSINGRAPHICALFORM‐HISTOGRAMS......................................................................40
CHAPTER9 GENERATINGANDVIEWINGTESTRESULTS......................................................41
9.1 T
ESTRESULTSLOG.............................................................................................................41
9.1.1 A
CCESSINGTESTRESULTS.................................................................................................41
APPENDIXA.........................................................................................................................47
A.1
UNDERSTANDINGIPTVVIDEOPERCEPTUALQUALITY*............................................................47
A.1.1
TRANSMISSION‐RELATEDIMPAIRMENTS.............................................................................48
A.1.2.2 PerformanceofVideoCoders .................................................................................55
A.2
VQMON/HDQUALITYANALYSISALGORITHM*.....................................................................57
A.2.1
VIDEOSTREAMANALYSIS................................................................................................57
A.2.1.1 TR101290MetricsCollection.................................................................................58
A.2.1.2 PlayoutBufferEmulator......................................................................................... 58
A.2.1.3 ContentAnalysis.....................................................................................................58
A.2.1.4 FrameTypeDetection............................................................................................59
A.2.1.5 Per‐frameQualityAnalysis.....................................................................................59
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