Exfo EXpert IPTV Test Tools (FTB-200v2) Manual de usuario descargar pdf (Pagina 8)

8

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7.1

 SIMULTANEOUSTESTINGOFMULTIPLECHANNELS.................................................................22

7.2

 PASSIVETEST..................................................................................................................22

7.3

SETTOPBOXEMULATIONTEST..........................................................................................24

7.4

 ETHERNETINTERFACESTATUS..............................................................................................25

CHAPTER8 GETTINGIPTVMETRICS....................................................................................26

8.1

 BASICIPTVMETRICSTEST................................................................................................26

Definitions:............................................................................................................................27

8.2

LIVESTREAMPREVIEW.......................................................................................................28

8.3

ADVANCEDIPTVMETRICSTEST...........................................................................................29

8.3.1

VIDEOPERCEPTUALQUALITYMETRICS...............................................................................29

8.3.2

TRANSPORTPACKETMETRICS...............................................................................................31

8.3.3.

MPEG‐TSTR101290PRIORITY.....................................................................................33

8.3.4

AUDIODESCRIPTIONANDPERCEPTUALMETRICSINFORMATION............................................... 35

8.3.5

VIDEOFRAMEMETRICS..................................................................................................37

8.3.6.

VIDEOBANDWIDTH.......................................................................................................39

8.3.7

METRICSINGRAPHICALFORM‐HISTOGRAMS......................................................................40

CHAPTER9 GENERATINGANDVIEWINGTESTRESULTS......................................................41

9.1 T

ESTRESULTSLOG.............................................................................................................41

9.1.1 A

CCESSINGTESTRESULTS.................................................................................................41

APPENDIXA.........................................................................................................................47

A.1

UNDERSTANDINGIPTVVIDEOPERCEPTUALQUALITY*............................................................47

A.1.1

TRANSMISSION‐RELATEDIMPAIRMENTS.............................................................................48

A.1.2.2 PerformanceofVideoCoders .................................................................................55

A.2

VQMON/HDQUALITYANALYSISALGORITHM*.....................................................................57

A.2.1

VIDEOSTREAMANALYSIS................................................................................................57

A.2.1.1 TR101290MetricsCollection.................................................................................58

A.2.1.2 PlayoutBufferEmulator......................................................................................... 58

A.2.1.3 ContentAnalysis.....................................................................................................58

A.2.1.4 FrameTypeDetection............................................................................................59

A.2.1.5 Per‐frameQualityAnalysis.....................................................................................59

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Exfo EXpert IPTV Test Tools (FTB-200v2) Manual de usuario Pagina 8

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