Exfo EXpert IPTV Test Tools (FTB-200v2) Manuel d'utilisateur télécharger pdf (Page 75)

75

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VideoJitter

 Frameinterarrivaljitter

 Iframeinterarrivaljitter

 Averageframearrivaldelay

 Peakframearrivaldelay



VideoSceneAnalysisMetrics

 Instantaneousdetaillevel

 Instantaneousmotionlevel

 Instantaneouspanninglevel 

 Staticimageproportion

 Highdetailproportion

 Lowdetailproportion

 Highpanningproportion

 Lo

wpa

nningproportion

 Highmotionproportion

 Lowmotionproportion



Packets–

TransportPacketsMetrics‐

Packetsreceived

Lost

Discarded

Corrected

Outofsequence

Duplicated

Lost%

Corrected%

 Discarded%

 Outofsequence%

 Duplicated%

Burstcount

Burstlossrate

Averageburstlength[pkts}

 Gapc

ount

 Gapsloss

rate

 Averagegaplength[pkts]



JitterMetrics(RFC3550)‐

 Packettopacketdelayvariation

 Maxpackettopacketdelayvariation



RTPPacketsMetrics(CarryingMPEG2‐TS)‐

 Packets Received

Corrected

Lost

Discarded

Outofsequence

Duplicated

Withtimestamperrors







MPEG2‐TSTR101290‐

Priority1lasterr

ors

 TS

synclosscount

 Syncbyteerrorcount

 PATerrorcount

 PAT2errorcount

 Continuityerrorcount

 PMTerrorcount

 PMT2errorcount

 PIDerrorcount



MPEG2‐TSTR101290–

Priority2lasterrors

 Transporterrorcount

 CRCerrorcount

 PCRer

rorcou

nt

 PCRrepetitionerrorcount

 PCRdiscontinuityerrorcount

 PCRaccuracyerrorcount



Audio–

AudioDescriptionInformation

 IPsourceaddress

 IPdestinationaddress

 Sourceport

 Destinationport

 Type

 Transportprotocol

 CodecType

 Numberofchannels

 Referenceclock

AudioPerceptualQualityMetrics

 MinimalMOS

 Aver

ageMOS

 Maximu

mMOS

 InstantaneousMOS

 Degradationfactors

Lost

Discarded

Codec

Recency

Audiobandwidthmetrics

 Avgaudiobandwidth

Peakaudiobandwidth

 Avgaudiobandwidth(inclheaders)

 Peakaudiobandwidth(inclheaders)



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