Axis Q3819-PVE - Page 52

AXISQ3819-PVENetworkCamera
Learnmore
framerateastheinstantaneousbitrateiskeptbelowthespeciedtargetbitrate.Youcanchoosetoprioritizeeitherimagequality
orframerate.Werecommendthatyoucongurethetargetbitratetoahighervaluethantheexpectedbitrate.Thisgivesyoua
marginincasethereisahighlevelofactivityinthescene.
1
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.
kbit/s
s
1
2
1
Targetbitrate
2
Actualaveragebitrate
Youcanalsoturnonmaximumbitrateandspecifyatargetbitratewithintheaveragebitrateoption.
52