Axis P3265-LVE-3 - Stream and Bitrate Management

AXISP3265-LVE-3LicensePlateVerifierKit
Thedeviceinterface
Zipstream:Abitratereductiontechnology,optimizedforvideosurveillance,thatreducestheaveragebitrateinanH.264orH.265
streaminrealtime.AxisZipstreamappliesahighbitrateinsceneswheretherearemultipleregionsofinterest,forexamplein
sceneswithmovingobjects.Whenthesceneismorestatic,Zipstreamappliesalowerbitrate,andtherebyreducestherequired
storage.Tolearnmore,seeReducingthebitratewithAxisZipstream
Selectthedesiredlevelofbitratereduction:
•Off:Nobitratereduction.
•Low:Novisiblequalitydegradationinmostscenes.Thisisthedefaultoptionanditcanbeusedinalltypes
ofscenestoreducethebitrate.
•Medium:Visibleeffectsinsomescenesthroughlessnoiseandaslightlylowerlevelofdetailinregionsoflower
interest,forexamplewherethere’snomovement.
•High:Visibleeffectsinsomescenesthroughlessnoiseandalowerlevelofdetailinregionsoflowerinterest,
forexamplewherethere’snomovement.Werecommendthislevelforcloud-connecteddevicesanddevicesthat
uselocalstorage.
•Higher:Visibleeffectsinsomescenesthroughlessnoiseandalowerlevelofdetailinregionsoflowerinterest,
forexamplewherethere’snomovement.
•Extreme:Visibleeffectsinmostscenes.Thebitrateisoptimizedforsmallestpossiblestorage.
Optimizeforstorage:Optimizesettingsforstoringthestreambyminimizingthebitratewhilemaintainingquality.The
optimizationisnotappliedtothestreamshowninthewebclient.TurningonOptimizeforstoragealsoturnsonDynamicGOP.
DynamicFPS(framespersecond):Turnontoallowthebandwidthtovarybasedonthelevelofactivityinthescene.More
activityrequiresmorebandwidth.
Lowerlimit
:Enteravaluetoadjusttheframeratebetweenminimalfpsandthestreamdefaultfpsbasedonscene
motion.Werecommendyoutouselowerlimitinsceneswithverylittlemotion,wherethefpscoulddropto1orlower.
DynamicGOP(GroupofPictures):TurnontodynamicallyadjusttheintervalbetweenI-framesbasedonthelevelofactivity
inthescene.
Upperlimit:EnteramaximumGOPlength,thatis,themaximumnumberofP-framesbetweentwoI-frames.AnI-frame
isaself-containedimageframethatisindependentofotherframes.
P-frames:AP-frameisapredictedimagethatshowsonlythechangesintheimagefromthepreviousframe.Enterthedesired
numberofP-frames.Thehigherthenumber,thelessbandwidthisrequired.However,iftherearenetworkcongestion,therecould
beanoticeabledeteriorationinthevideoquality.
Bitratecontrol:
•Average:Selecttoautomaticallyadjustthebitrateoveralongertimeperiodandprovidethebestpossibleimage
qualitybasedontheavailablestorage.
-Clicktocalculatethetargetbitratebasedonavailablestorage,retentiontime,andbitratelimit.
-Targetbitrate:Enterdesiredtargetbitrate.
-Retentiontime:Enterthenumberofdaystokeeptherecordings.
-Storage:Showstheestimatedstoragethatcanbeusedforthestream.
-Maximumbitrate:Turnontosetabitratelimit.
-Bitratelimit
:Enterabitratelimitthatishigherthanthetargetbitrate.
•Maximum:Selecttosetamaximuminstantbitrateofthestreambasedonyournetworkbandwidth.
-Maximum:Enterthemaximumbitrate.
•Variable:Selecttoallowthebitratetovarybasedonthelevelofactivityinthescene.Moreactivityrequiresmore
bandwidth.Werecommendthisoptionformostsituations.
Orientation
Mirror:Turnontomirrortheimage.
Audio
45