Axis M3205-LVE - Bitrate Control Strategies

AXISM32-LVENetworkCameraSeries
Learnmore
Maximum Maximum
Maximum
bitrate bitrate
bitrate
(MBR) (MBR)
(MBR)
Maximumbitrateletsyousetatargetbitratetohandlebitratelimitationsinyoursystem.You
mightseeadeclineinimagequalityorframerateastheinstantaneousbitrateiskeptbelowthespeciedtargetbitrate.
Youcanchoosetoprioritizeeitherimagequalityorframerate.Werecommendthatyoucongurethetargetbitrate
toahighervaluethantheexpectedbitrate.Thisgivesyouamarginincasethereisahighlevelofactivityinthescene.
1
T arget bitrate
Average Average
Average
bitrate bitrate
bitrate
(ABR) (ABR)
(ABR)
Withaveragebitrate,thebitrateisautomaticallyadjustedoveralongerperiodoftime.Thisis
soyoucanmeetthespeciedtargetandprovidethebestvideoqualitybasedonyouravailablestorage.Bitrateis
higherinsceneswithalotofactivity,comparedtostaticscenes.Youaremorelikelytogetbetterimagequalitywhen
insceneswithalotofactivityifyouusetheaveragebitrateoption.Youcandenethetotalstoragerequiredtostore
thevideostreamforaspeciedamountoftime(retentiontime)whenimagequalityisadjustedtomeetthespecied
targetbitrate.Specifytheaveragebitratesettingsinoneofthefollowingways:
•Tocalculatetheestimatedstorageneed,setthetargetbitrateandtheretentiontime.
•Tocalculatetheaveragebitrate,basedonavailablestorageandrequiredretentiontime,usethetarget
bitratecalculator.
20