Exfo EXpert IPTV Test Tools (FTB-200v2) Instrukcja Użytkownika Pobierz pdf (Strona 8)

8



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

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 81 82

Komentarze do niniejszej Instrukcji

Brak uwag

Exfo EXpert IPTV Test Tools (FTB-200v2) Instrukcja Użytkownika Strona 8

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Urządzenia pomiarowe Exfo EXpert IPTV Test Tools (FTB-200v2)