Exfo EXpert IPTV Test Tools (FTB-200v2) Uživatelský manuál stáhnout pdf (Strana 35)

35

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8.3.4 AudioDescriptionandPerceptualMetricsInformation

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AudioDescription

Informationis

similartoVideo

Description

Information

providingessential

reference

informationabout

thestream.

Audio

Perceptual

QualityMetrics

areMOSscores

withsubjective

testcontent

calculatedwith

aspecialized

VQMONaudio

algorithm.

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Degradation

Factorsprovide

severityof

degradation

duetoPacket

Loss,Packet

Discard,Codec,

aRecencyof

burstpacket

oss

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AudioBandwidthMetricsprovidesbandwidth

averageandpeakratewithandwithout

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Exfo EXpert IPTV Test Tools (FTB-200v2) Uživatelský manuál Strana 35