Exfo EXpert IPTV Test Tools (FTB-200v2) Manual de usuario descargar pdf (Pagina 79)

79



Video Stream Metrics

TheVideoStreamDescriptionpr ovidesinformationonthetypeofcodecbeingused,Groupof

Picturesstructureandlength,imagesizeandotherkeyfactors.

Video Stream Description

Metric Description

Codectype Typeofcodec(e.g.MPEG4)

GoPtype GroupofPicturestype(e.g.IBBP…)

GoPlength NumberofframesinGroupofPictures

Imagesize Imagesizeinpixels(XxY)(autodetected*)andnumberofframesper

second

VideoStreamMetricsprovideinsightintotheproportionofdifferenttypeofvideoframethat

areimpactedbypacketlossanddiscard,andtotheoverallvideobandwidth.

ideo Stream Metrics

Metric Description

I,P,Bframepacketsreceived CountsofthenumbersofI,PandBframepacketsreceived

I,P,Bframepacketslost CountsofthenumbersofI,PandBframepackets

I,P,Bframepacketsdiscarded CountsofthenumbersofI,PandBframepackets

1 2 ... 74 75 76 77 78 79 80 81 82

Sin comentarios

Exfo EXpert IPTV Test Tools (FTB-200v2) Manual de usuario Pagina 79