Axis M32-LVE Series - Streaming and Storage

AXISM32-LVENetworkCameraSeries
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Streamingandstorage
Videocompressionformats
Decidewhichcompressionmethodtousebasedonyourviewingrequirements,andonthepropertiesof
yournetwork.Theavailableoptionsare:
MotionJPEG
MotionJPEG,orMJPEG,isadigitalvideosequencethatismadeupofaseriesofindividualJPEG
images.Theseimagesarethendisplayedandupdatedataratesufficienttocreateastreamthat
showsconstantlyupdatedmotion.Fortheviewertoperceivemotionvideotheratemustbeatleast
16imageframespersecond.Fullmotionvideoisperceivedat30(NTSC)or25(PAL)framespersecond.
TheMotionJPEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequality
andaccesstoeveryimagecontainedinthestream.
H.264orMPEG-4Part10/AVC
注
H.264isalicensedtechnology.TheAxisproductincludesoneH.264viewingclientlicense.To
installadditionalunlicensedcopiesoftheclientisprohibited.Topurchaseadditionallicenses,
contactyourAxisreseller.
H.264can,withoutcompromisingimagequality,reducethesizeofadigitalvideofilebymorethan80%
comparedtotheMotionJPEGformatandbyasmuchas50%comparedtoolderMPEGformats.This
meansthatlessnetworkbandwidthandstoragespacearerequiredforavideofile.Orseenanotherway,
highervideoqualitycanbeachievedforagivenbitrate.
H.265orMPEG-HPart2/HEVC
H.265can,withoutcompromisingimagequality,reducethesizeofadigitalvideofilebymorethan
25%comparedtoH.264.
注
•H.265islicensedtechnology.TheAxisproductincludesoneH.265viewingclientlicense.
Installingadditionalunlicensedcopiesoftheclientisprohibited.Topurchaseadditionallicenses,
contactyourAxisreseller.
•Mostwebbrowsersdon’tsupportH.265decodingandbecauseofthisthecameradoesn’t
supportitinitswebinterface.Insteadyoucanuseavideomanagementsystemorapplication
supportingH.265decoding.
HowdoImage,Stream,andStreamprolesettingsrelatetoeachother?
TheImagetabcontainscamerasettingsthataffectallvideostreamsfromtheproduct.Ifyouchange
somethinginthistab,itimmediatelyaffectsallvideostreamsandrecordings.
TheStreamtabcontainssettingsforvideostreams.Yougetthesesettingsifyourequestavideostream
fromtheproductanddon’tspecifyforexampleresolution,orframerate.Whenyouchangethesettings
intheStreamtab,itdoesn’taffectongoingstreams,butitwilltakeeffectwhenyoustartanewstream.
TheStreamprofilessettingsoverridethesettingsfromtheStreamtab.Ifyourequestastreamwitha
specificstreamprofile,thestreamcontainsthesettingsofthatprofile.Ifyourequestastreamwithout
specifyingastreamprofile,orrequestastreamprofilethatdoesn'texistintheproduct,thestream
containsthesettingsfromtheStreamtab.
Bitratecontrol
Bitratecontrolhelpsyoutomanagethebandwidthconsumptionofyourvideostream.
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