Axis Q8615-E - Page 57

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AXISQ8615-EPTZCamera

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Maximumbitrate(MBR)

Maximumbitrateletsyousetatargetbitratetohandlebitratelimitationsinyoursystem.Youmightseeadeclineinimagequalityor

framerateastheinstantaneousbitrateiskeptbelowthespeciedtargetbitrate.Youcanchoosetoprioritizeeitherimagequality

orframerate.Werecommendthatyoucongurethetargetbitratetoahighervaluethantheexpectedbitrate.Thisgivesyoua

marginincasethereisahighlevelofactivityinthescene.

Targetbitrate

Averagebitrate(ABR)

Withaveragebitrate,thebitrateisautomaticallyadjustedoveralongerperiodoftime.Thisissoyoucanmeetthespeciedtarget

andprovidethebestvideoqualitybasedonyouravailablestorage.Bitrateishigherinsceneswithalotofactivity,comparedtostatic

scenes.Youaremorelikelytogetbetterimagequalitywheninsceneswithalotofactivityifyouusetheaveragebitrateoption.You

candenethetotalstoragerequiredtostorethevideostreamforaspeciedamountoftime(retentiontime)whenimagequalityis

adjustedtomeetthespeciedtargetbitrate.Specifytheaveragebitratesettingsinoneofthefollowingways:

•Tocalculatetheestimatedstorageneed,setthetargetbitrateandtheretentiontime.

•Tocalculatetheaveragebitrate,basedonavailablestorageandrequiredretentiontime,usethetargetbitratecalculator.

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