Exfo EXpert IPTV Test Tools (FTB-200v2) Manuale Utente Scaricare il pdf (Pagina 57)

57

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A.2 VQmon/HDQualityAnalysisAlgorithm*

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ThissectiondescribesVQmon/HD’svideoandaudioqualityanalysisalgorithmsand

listssomeofthekeymetricsreportedbyVQmon/HDaspartoftheTelchemyVideoQuality

Metrics(TVQM)dataset. 

A.2.1 VideoStreamAnalysis

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VQmon/HD’svideoqualityanalysisalgorithmanalyzesRTPorMPEG‐2Transport

videostreamsandgeneratesreal‐timeperceptualqualityscoresandotherdiagnosticmetrics.

VideocodecssupportedbyVQmon/HDinclude:

 MotionJPEG

 MPEG‐1

 MPEG‐2

 H.261

 H.263/263+

 H.264

 MPEG‐4

 VC‐1

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Figure2‐7de

pictsthevariouscomponentsoftheVQmo

n/HDvideoqualityanalysisalgorithm

andthemetricsproducedbyeachcomponent.

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Exfo EXpert IPTV Test Tools (FTB-200v2) Manuale Utente Pagina 57