Axis M32-LVE Series - Streaming and Storage

AXISM32-LVENetworkCameraSeries
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Streamingandstorage
Videocompressionformats
Decidewhichcompressionmethodtousebasedonyourviewingrequirements,andonthepropertiesofyour
network.Theavailableoptionsare:
Motion Motion
Motion
JPEG JPEG
JPEG
MotionJPEG,orMJPEG,isadigitalvideosequencethatismadeupofaseriesofindividualJPEGimages.Theseimages
arethendisplayedandupdatedataratesufcienttocreateastreamthatshowsconstantlyupdatedmotion.For
theviewertoperceivemotionvideotheratemustbeatleast16imageframespersecond.Fullmotionvideois
perceivedat30(NTSC)or25(PAL)framespersecond.
TheMotionJPEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequalityandaccess
toeveryimagecontainedinthestream.
H.264 H.264
H.264
or or
or
MPEG MPEG
MPEG
- -
-
4 4
4
Part Part
Part
10/A 10/A
10/A
VC VC
VC
注
H.264isalicensedtechnology.TheAxisproductincludesoneH.264viewingclientlicense.Toinstalladditional
unlicensedcopiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
H.264can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan80%comparedto
theMotionJPEGformatandbyasmuchas50%comparedtoolderMPEGformats.Thismeansthatlessnetwork
bandwidthandstoragespacearerequiredforavideole.Orseenanotherway,highervideoqualitycanbeachieved
foragivenbitrate.
H.265 H.265
H.265
or or
or
MPEG MPEG
MPEG
- -
-
H H
H
Part Part
Part
2/HEVC 2/HEVC
2/HEVC
H.265can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan25%comparedto
H.264.
注
•H.265islicensedtechnology.TheAxisproductincludesoneH.265viewingclientlicense.Installingadditional
unlicensedcopiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
•MostwebbrowsersdonʼtsupportH.265decodingandbecauseofthisthecameradoesnʼtsupportitinits
webinterface.InsteadyoucanuseavideomanagementsystemorapplicationsupportingH.265decoding.
HowdoImage,Stream,andStreamprolesettingsrelatetoeachother?
TheImage Image
Image
tabcontainscamerasettingsthataffectallvideostreamsfromtheproduct.Ifyouchangesomethingin
thistab,itimmediatelyaffectsallvideostreamsandrecordings.
TheStream Stream
Stream
tabcontainssettingsforvideostreams.Yougetthesesettingsifyourequestavideostreamfromthe
productanddonʼtspecifyforexampleresolution,orframerate.WhenyouchangethesettingsintheStream Stream
Stream
tab,it
doesnʼtaffectongoingstreams,butitwilltakeeffectwhenyoustartanewstream.
TheStream Stream
Stream
proles proles
proles
settingsoverridethesettingsfromtheStream Stream
Stream
tab.Ifyourequestastreamwithaspecicstream
prole,thestreamcontainsthesettingsofthatprole.Ifyourequestastreamwithoutspecifyingastreamprole,or
requestastreamprolethatdoesn'texistintheproduct,thestreamcontainsthesettingsfromtheStream Stream
Stream
tab.
Bitratecontrol
Bitratecontrolhelpsyoutomanagethebandwidthconsumptionofyourvideostream.
V V
V
ariable ariable
ariable
bitrate bitrate
bitrate
( (
(
VBR) VBR)
VBR)
Variablebitrateallowsthebandwidthconsumptiontovarydependingonthelevelofactivityin
thescene.Themoreactivity,themorebandwidthyouneed.Withvariablebitrateyouareguaranteedconstantimage
quality,butyouneedtomakesureyouhavestoragemargins.
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