Axis P3925-R User manual

AXISP3925-RNetworkCamera
UserManual

AXISP3925-RNetworkCamera
TableofContents
Aboutthismanual..........................................3
Getstarted................................................4
Chooselens....................................................4
Findthedeviceonthenetwork....................................4
Accessthedevice...............................................4
Webpageoverview..............................................5
Additionalsettings..........................................7
Adjusttheimage................................................7
Adjustthecameraview(TZ)......................................11
Viewandrecordvideo............................................12
Setuprulesandalerts...........................................13
Cleaningrecommendations...................................17
Learnmore................................................18
Viewarea......................................................18
Capturemodes.................................................18
rivacymasks..................................................18
Overlays.......................................................19
an,tilt,andzoom(TZ)..........................................19
Streamingandstorage...........................................19
Applications....................................................21
Troubleshooting............................................23
Resettofactorydefaultsettings...................................23
Firmwareoptions...............................................23
Checkthecurrentrmware.......................................23
Upgradethermware............................................24
Technicalissues,cluesandsolutions................................24
erformanceconsiderations.......................................25
Contactsupport.................................................26
Specications..............................................27
roductoverview................................................27
SDcardslot....................................................28
Buttons.......................................................28
Connectors....................................................28
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AXISP3925-RNetworkCamera
Aboutthsmanual
Aboutthsmanual
Thisusermanualdescribesseveralproducts.Thismeansyoumayndinstructionsthataren’tapplicabletoyourproduct.
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AXISP3925-RNetworkCamera
Getstarted
Getstarted
Chooselens
Thereismorethanonelensoptionforyourcamera.Whichlenstochoosedependsonthesurveillancerequirements.Thelenseshave
differentcapabilitieswhenitcomestolightsensitivityandeldofview.Seetheproduct’sdatasheetforlensalternatives.
Findthedeviceonthenetwork
TondAxisdevicesonthenetworkandassignthemIaddressesinWindows®,useAXISIUtilityorAXISDeviceManager.Both
applicationsarefreeandcanbedownloadedfromaxis.com/support.
FormoreinformationabouthowtondandassignIaddresses,seethedocumentHowtoassignanIPaddressandaccessyour
deviceonthedevicepageataxis.com.
Browserspport
Youcanusethedevicewiththefollowingbrowsers:
ChromeTMFirefox®Edge®Safari®
Windows®recommendedxx
macOS®recommendedx
Otheroperatingsystemsxx
Ifyouneedmoreinformationaboutrecommendedbrowsers,gotoaxis.com/browser-support.
Accessthedevice
1.OpenabrowserandentertheIaddressorhostnameoftheAxisdevice.
IfyouhaveaMaccomputer(macOS),gotoSafari,clickBonjourandselectthedevicefromthedrop-downlist.Toadd
Bonjourasabrowserbookmark,gotoSafari>Preferences.
IfyoudonotknowtheIaddress,useAXISIUtilityorAXISDeviceManagertondthedeviceonthenetwork.
2.Entertheusernameandpassword.Ifyouaccessthedeviceforthersttime,youmustsettherootpassword.SeeSeta
newpasswordfortherootaccountonpage4.
3.Theliveviewpageopensinyourbrowser.
Verifythatnoonehastamperedwiththermware
TomakesurethatthedevicehasitsoriginalAxisrmware,ortotakefullcontrolofthedeviceafterasecurityattack:
1.Resettofactorydefaultsettings.SeeResettofactorydefaultsettingsonpage3.
Afterthereset,securebootguaranteesthestateofthedevice.
2.Congureandinstallthedevice.
Setanewpasswordfortherootaccont
Important
Thedefaultadministratorusernameisroot.Ifthepasswordforrootislost,resetthedevicetofactorydefaultsettings.
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AXISP3925-RNetworkCamera
Getstarted
1.Typeapassword.Followtheinstructionsaboutsecurepasswords.SeeSecurepasswordsonpage5.
2.Retypethepasswordtoconrmthespelling.
3.ClickCreatelogin.Thepasswordhasnowbeencongured.
Secrepasswords
Important
Axisdevicessendtheinitiallysetpasswordincleartextoverthenetwork.Toprotectyourdeviceaftertherstlogin,set
upasecureandencryptedHTTSconnectionandthenchangethepassword.
Thedevicepasswordistheprimaryprotectionforyourdataandservices.Axisdevicesdonotimposeapasswordpolicyasthey
maybeusedinvarioustypesofinstallations.
Toprotectyourdatawestronglyrecommendthatyou:
•Useapasswordwithatleast8characters,preferablycreatedbyapasswordgenerator.
•Don’texposethepassword.
•Changethepasswordatarecurringinterval,atleastonceayear.
Webpageoverview
1Liveviewcontrolbar
Liveview
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AXISP3925-RNetworkCamera
Getstarted
3Productname
4Userinformation,colorthemes,andhelp
5Videocontrolbar
6Settingstoggle
7Settingstabs
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AXISP3925-RNetworkCamera
Addtonalsettngs
Addtonalsettngs
Adjsttheimage
Ifyouwanttoknowmoreaboutdifferentimagesettings,seeLearnmoreonpage18.
Levelthecamera
Toadjusttheviewinrelationtoareferenceareaorobject,usethelevelingguideincombinationwithamechanicaladjustment
ofthecamera.
1.GotoSettings>System>Orientationandclick.
2.Adjustthecameramechanicallyuntilthepositionofthereferenceareaorobject,isalignedwiththelevelingguide.
Selectsceneprole
Asceneproleisasetofpredenedimageappearancesettingsincludingcolorlevel,brightness,sharpness,contrastandlocal
contrast.Sceneprolesarepreconguredintheproductforquicksetuptoaspecicscenario,forexampleForensicwhichis
optimizedforsurveillanceconditions.Foradescriptionofeachavailablesetting,gotothehelpmenuandclickelp.
Youcanselectasceneproleduringtheinitialsetupofthecamera.Youcanalsoselectorchangesceneprolelater.
1.GotoSettings>System.
2.GotoPlaincong>Imagesourceandselectasceneprole.
Selectexposremode
Therearedifferentexposuremodeoptionsinthecamerathatadjustsaperture,shutterspeed,andgaintoimproveimagequalityfor
specicsurveillancescenes.GotoSettings>Image>Exposureandselectbetweenthefollowingexposuremodes:
•Formostusecases,selectAutomaticexposure.
•Forenvironmentswithcertainarticiallighting,forexampleuorescentlighting,selectFlicker-free.
Selectthesamefrequencyasthepowerlinefrequency.
•Forenvironmentswithcertainarticiallightandbrightlight,forexampleoutdoorswithuorescentlightingatnightand
sunduringdaytime,selectFlicker-reduced.
Selectthesamefrequencyasthepowerlinefrequency.
•Tolockthecurrentexposuresettings,selectoldcurrent.
BenetfromIRlightinlow-lightconditionssingnightmode
Yourcamerausesvisiblelighttodelivercolorimagesduringtheday.Astheavailablelightdiminishes,youcansetthecamerato
automaticallyshifttonightmode,inwhichthecamerausesbothvisiblelightandnear-infraredlighttodeliverblack-and-white
images.Sincethecamerausesmoreoftheavailablelightitcandeliverbrighter,moredetailed,images.
1.GotoSettings>Image>Dayandnight,andmakesurethattheIRcutlterissettoAuto.
2.Todetermineatwhatlightlevelyouwantthecameratoshifttonightmode,movetheThresholdslidertowardBright
orDark.
3.EnableAllowIRilluminationandSynchronizeIRilluminationtousethecamera’sIRlightwhennightmodeisactivated.
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AXISP3925-RNetworkCamera
Addtonalsettngs
Note
Ifyousettheshifttonightmodetooccurwhenit’sbrighter,theimageremainssharperastherewillbelesslow-light
noise.Ifyousettheshifttooccurwhenit’sdarker,theimagecolorsaremaintainedforlonger,buttherewillbemore
imageblurduetolow-lightnoise.
Redcenoiseinlow-lightconditions
Toreducenoiseinlow-lightconditions,youcanadjustoneormoreofthefollowingsettings:
•Adjustthetrade-offbetweennoiseandmotionblur.GotoSettings>Image>ExposureandmovetheBlur-noise
trade-offslidertowardLownoise.
•Settheexposuremodetoautomatic.
Note
Ahighmaxshuttervaluecanresultinmotionblur.
•Toslowdowntheshutterspeed,setmaxshuttertothehighestpossiblevalue.
•Reducesharpnessintheimage.
Note
Whenyoureducethemaxgain,theimagecanbecomedarker.
•Setthemaxgaintoalowervalue.
•Opentheaperture.
Redcemotionblrinlow-lightconditions
Toreducemotionblurinlow-lightconditions,adjustoneormoreofthefollowingsettingsinSettings>Image>Exposure:
•MovetheBlur-noisetrade-offslidertowardLowmotionblur.
Note
Whenyouincreasethegain,imagenoisealsoincreases.
•SetMaxshuttertoashortertime,andMaxgaintoahighervalue.
Ifyoustillhaveproblemswithmotionblur:
•Increasethelightlevelinthescene.
•Mountthecamerasothatobjectsmovetowarditorawayfromitratherthansideways.
Note
Ifyouusealenswithalargeraperture,thedepthofeldgetsshallower.
•Changetoalenswithalargeraperture.
Handlesceneswithstrongbacklight
Dynamicrangeisthedifferenceinlightlevelsinanimage.Insomecasesthedifferencebetweenthedarkestandthebrightest
areascanbesignicant.Theresultisoftenanimagewhereeitherthedarkorthebrightareasarevisible.Widedynamicrange
(WDR)makesbothdarkandbrightareasoftheimagevisible.
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AXISP3925-RNetworkCamera
Addtonalsettngs
ImagewithoutWDR.
ImagewithWDR.
Note
WDRmightcauseartifactsintheimage.
1.GotoSettings>Image>Widedynamicrange.
2.TurnonWDR.
3.UsetheLocalcontrastslidertoadjusttheamountofWDR.
4.UsetheTonemappingslidertoadjusttheamountofWDR.
5.Ifyoustillhaveproblems,gotoExposureandadjusttheExposurezonetocovertheareaofinterest.
FindoutmoreaboutWDRandhowtouseitataxis.com/web-articles/wdr.
StabilizeashakyimagewithElectronicImageStabilization(EIS)
ElectronicImageStabilization(EIS)canbeusedinenvironmentswheretheproductismountedinanexposedlocationandsubjectto
vibrations,forexample,windorpassingtrafc.TurnonEIStogetasmootherandsteadierimagewithoutblur.
EISalsoreducesthelesizeofthecompressedimageandlowersthebitrateofthevideostream.
Note
WhenEISisturnedontheimageiscroppedslightly,loweringthemaximumresolution.
1.GotoSettings>Image>Imagecorrection.
2.TurnonEIS.
Monitorlongandnarrowareas
Usecorridorformattobetterutilizethefulleldofviewinalongandnarrowarea,forexampleastaircase,hallway,road,ortunnel.
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AXISP3925-RNetworkCamera
Addtonalsettngs
1.Dependingonyourdevice,turnthecameraorthe3-axislensinthecamera90°or270°.
Note
MakesuretoaimIRLEDsawayfromwallsorweathershields.
2.Ifthedevicedoesn’thaveautomaticrotationoftheview,logintothewebpageandgotoSettings>System>Orientation.
3.Click.
4.Rotatetheview90°or270°.
Findoutmoreataxis.com/axis-corridor-format.
Improvefacialrecognition
Tobetterrecognizethefaceofapersonpassingbythecamera,youcansettheoptimalpixelresolutionwiththecamera’spixel
counter.
1.GotoSettings>System>Orientationandclick.
2.Inthecamera’sliveview,adjustthesizeandplacementoftherectanglearoundtheareaofinterest,forexample,where
thefacesofpassingpersonsareexpectedtoappear.Youcanthenseethenumberofpixelsrepresentedbythesidesof
therectangle.
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AXISP3925-RNetworkCamera
Addtonalsettngs
Note
Youcanuseanobjectofaknownsizeintheviewasareferencetodecidehowmuchresolutionisneededforrecognition.
Hidepartsoftheimagewithprivacymasks
Youcancreateoneorseveralprivacymaskstohidepartsoftheimage.
1.GotoSettings>Privacymask.
2.ClickNew.
3.Adjustthesize,color,andnameoftheprivacymaskaccordingtoyourneeds.
Showanimageoverlay
Toaddanimageasanoverlayinthevideostream:
1.GotoSettings>Overlay.
2.ClickImagelist.
3.UploadanimageandclickDone.
4.ClickCreateoverlay.
5.SelectImageandclickCreate.
6.SelectImageandclickOk.
7.SelectImportanduploadanimage.
8.Selecttheimagefromthedrop-downlist.
9.Topositiontheimageoverlay,chooseCustomoroneofthepresets.
10.ClickCreate.
Adjstthecameraview(PTZ)
Tolearnmoreaboutdifferentpan,tilt,andzoomsettings,seePan,tilt,andzoom(PTZ)onpage19.
Createagardtorwithpresetpositions
Aguardtourdisplaysthevideostreamfromdifferentpresetpositionseitherinapredeterminedorrandomorder,andforcongurable
periodsoftime.
1.GotoSettings>PTZ>Guardtours.
2.Click+.
3.Toedittheguardtour’sproperties,click.
4.Typeanamefortheguardtourandspecifythepauselengthinminutesbetweeneachtour.
5.Ifyouwanttheguardtourtogotothepresetpositionsinarandomorder,turnonShufe.
6.ClickDone.
7.ClickAddtoaddthepresetpositionsthatyouwantinyourguardtour.
8.ClickDonetoexittheguardtoursettings.
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AXISP3925-RNetworkCamera
Addtonalsettngs
9.Toscheduletheguardtour,gotoSystem>Events.
Viewandrecordvideo
Tolearnmoreaboutsettingsforviewingandrecordingvideo,seeStreamingandstorageonpage19.
Redcebandwidthandstorage
Important
Ifyoureducethebandwidthitcanresultinlossofdetailsinthepicture.
1.Gotoliveviewandselect.264.
2.GotoSettings>Stream.
3.Dooneormoreofthefollowing:
-TurnontheZipstreamfunctionalityandselectthedesiredlevel.
Note
ThezipstreamsettingsareusedforbothH.264andH.265.
-TurnondynamicGOandsetahighGOlengthvalue.
-Increasethecompression.
-TurnondynamicFS.
Note
WebbrowsersdonotsupportH.265decoding.UseavideomanagementsystemorapplicationsupportingH.265decoding.
Setpnetworkstorage
Tostorerecordingsonthenetwork,youneedtosetupnetworkstorage:
1.GotoSettings>System>Storage.
2.ClickSetupunderNetworkstorage.
3.EntertheIaddressofthehostserver.
4.Enterthenameofthesharedlocationonthehostserver.
5.Movetheswitchifthesharerequiresalogin,andenterusernameandpassword.
6.ClickConnect.
Recordandwatchvideo
Torecordvideoyoumustrstsetupnetworkstorage,seeSetupnetworkstorageonpage1,orhaveanSDcardinstalled.
Recordvideo
1.Gototheliveview.
2.Tostartarecording,clickRecord.Clickagaintostoptherecording.
Watchvideo
1.ClickStorage>Gotorecordings.
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AXISP3925-RNetworkCamera
Addtonalsettngs
2.Selectyourrecordinginthelistanditwillplayautomatically.
Setprlesandalerts
Youcancreaterulestomakeyourdeviceperformanactionwhencertaineventsoccur.Aruleconsistsofconditionsandactions.
Theconditionscanbeusedtotriggertheactions.Forexample,thedevicecanstartarecordingorsendanemailwhenitdetects
motion,orshowanoverlaytextwhenitrecords.
Triggeranaction
1.GotoSettings>System>Eventstosetuparule.Theruledeneswhenthedevicewillperformcertainactions.Rules
canbesetupasscheduled,recurring,orforexample,triggeredbymotiondetection.
2.SelecttheConditionthatmustbemettotriggertheaction.Ifyouspecifymorethanoneconditionfortherule,allofthe
conditionsmustbemettotriggertheaction.
3.SelectwhichActionthedeviceshouldperformwhentheconditionsaremet.
Note
Ifyoumakechangestoanactiverule,thentheruleneedstoberestartedforthechangestotakeeffect.
Note
Ifyouchangethedenitionofastreamprolethatisusedinarule,thenyouneedtorestartalltherulesthatusethat
streamprole.
Recordvideowhenthecameradetectsmotion
ThisexampleexplainshowtosetupthecameratostartrecordingtotheSDcardvesecondsbeforeitdetectsmotionandto
stoponeminuteafter.
MakesurethatAXISVideoMotionDetectionisrunning:
1.GotoSettings>Apps>AXISVideoMotionDetection.
2.Starttheapplicationifitisnotalreadyrunning.
3.Makesureyouhavesetuptheapplicationaccordingtoyourneeds.
Createarule:
1.GotoSettings>System>Eventsandaddarule.
2.Typeanamefortherule.
3.Inthelistofconditions,underApplication,selectAXISVideoMotionDetection(VMD).
4.Inthelistofactions,underRecordings,selectRecordvideowhiletheruleisactive.
5.Selectanexistingstreamproleorcreateanewone.
6.Settheprebuffertimeto5seconds.
7.Setthepostbuffertimeto60seconds.
8.Inthelistofstorageoptions,selectSDcard.
9.ClickSave.
Showatextoverlayinthevideostreamwhenthedevicedetectsmotion
Thisexampleexplainshowtodisplaythetext“Motiondetected”whenthedevicedetectsmotion:
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AXISP3925-RNetworkCamera
Addtonalsettngs
MakesurethatAXISVideoMotionDetectionisrunning:
1.GotoSettings>Apps>AXISVideoMotionDetection.
2.Starttheapplicationifitisnotalreadyrunning.
3.Makesureyouhavesetuptheapplicationaccordingtoyourneeds.
Addtheoverlaytext:
4.GotoSettings>Overlay.
5.SelectCreateoverlayandselectTextoverlay.
6.Enter#Dinthetexteld.
7.Choosetextsizeandappearance.
8.Topositionthetextoverlay,chooseCustomoroneofthepresets.
Createarule:
9.GotoSystem>Events>Rulesandaddarule.
10.Typeanamefortherule.
11.Inthelistofconditions,selectAXISVideoMotionDetection.
12.Inthelistofactions,selectUseoverlaytext.
13.Selectaviewarea.
14.Type“Motiondetected”.
15.Settheduration.
16.ClickSave.
Note
Ifyouupdatetheoverlaytextitwillbeautomaticallyupdatedonallvideostreamsdynamically.
Directthecameratoapresetpositionwhenthecameradetectsmotion
Thisexampleexplainshowtosetupthecameratogotoapresetpositionwhenitdetectsmotionintheimage.
MakesurethatAXISVideoMotionDetectionisrunning:
1.GotoSettings>Apps>AXISVideoMotionDetection.
2.Starttheapplicationifitisnotalreadyrunning.
3.Makesureyouhavesetuptheapplicationaccordingtoyourneeds.
Addapresetposition:
GotoSettings>PTZandsetwhereyouwantthecameratobedirectedbycreatingapresetposition.
Createarule:
1.GotoSettings>System>Events>Rulesandaddarule.
2.Typeanamefortherule.
3.Inthelistofconditions,selectavideomotiondetectionconditionunderApplication.
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AXISP3925-RNetworkCamera
Addtonalsettngs
4.Fromthelistofactions,selectGotopresetposition.
5.Selectthepresetpositionyouwantthecameratogoto.
6.ClickSave.
Recordvideowhenthecameradetectsimpact
Shockdetectionallowsthecameratodetecttamperingcausedbyvibrationsorshock.Vibrationsduetotheenvironmentortoan
objectcantriggeranactiondependingontheshocksensitivityrange,whichcanbesetfrom0to100.Inthisscenario,someoneis
throwingrocksatthecameraafterhoursandyouwouldliketogetavideoclipoftheevent.
Turnonshockdetection:
1.GotoSettings>System>Detectors.
2.Turnonshockdetection,andsetavaluefortheshocksensitivity.
Createarule:
1.GotoSettings>System>Eventsandaddarule.
2.Typeanamefortherule.
3.Inthelistofconditions,underDevicestatus,selectShockdetected.
4.Click+toaddasecondcondition.
5.Inthelistofconditions,underScheduledandrecurring,selectScheduledevent.
6.Inthelistofschedules,selectAfterhours.
7.Inthelistofactions,underRecordings,selectRecordvideowhiletheruleisactive.
8.SelectaCamera.
9.Settheprebuffertimeto5seconds.
10.Setthepostbuffertimeto60seconds.
11.Selectwheretosavetherecordings.
12.ClickSave.
Providevisalindicationofanongoingevent
YouhavetheoptiontoconnecttheAXISI/OIndicationLEDtoyournetworkcamera.ThisLEDcanbeconguredtoturnonwhenever
certaineventsoccurinthecamera.Forexample,toletpeopleknowthatvideorecordingisinprogress.
Requiredhardware
•AXISI/OIndicationLED
•AnAxisnetworkvideocamera
Note
AXISI/OIndicationLEDshouldbeconnectedtoanoutputport.
Note
ForinstructionsonhowtoconnecttheAXISI/OIndicationLED,seetheinstallationguideprovidedwiththeproduct.
ThefollowingexampleshowshowtocongurearulethatturnsontheAXISI/OIndicationLEDtoindicatethatcameraisrecording.
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AXISP3925-RNetworkCamera
Addtonalsettngs
1.GotoSettings>System>I/OPorts.
2.MakesurethattheportyouconnectedtheAXISI/OIndicationLEDtoissettoOutput.SetthenormalstatetoOpen
circuit(NO).
3.GotoSettings>System>Events.
4.Createanewrule.
5.SelecttheConditionthatmustbemettotriggerthecameratostartrecording.Itcan,forexample,beatimescheduleor
motiondetection.
6.Inthelistofactions,selectRecordvideo.Selectastreamproleorcreateanew.AlsosetthePrebufferandPostbuffer
asrequired.
7.Savetherule.
8.CreateasecondruleandselectthesameConditionasintherstrule.
9.Inthelistofactions,selectToggleI/Owhiletheruleisactive,andthenselecttheporttheAXISI/OIndicationLEDis
connectedto.SetthestatetoActive.
10.Savetherule.
OtherscenarioswhereAXISI/OIndicationLEDcanbeusedareforexample:
•ConguretheLEDtoturnonwhenthecamerastarts,toindicatethepresenceofthecamera.SelectSystemreadyas
acondition.
•ConguretheLEDtoturnonwhenlivestreamisactivetoindicatethatapersonoraprogramisaccessingastreamfrom
thecamera.SelectLivestreamaccessedasacondition.
Sendanemailatomaticallyifsomeonespraypaintsthelens
1.GotoSettings>System>Detectors.
2.TurnonTriggerondarkimages.Thiswilltriggeranalarmifthelensissprayed,covered,orrenderedseverelyoutoffocus.
3.SetadurationforTriggerafter.Thevalueindicatesthetimethatmustpassbeforeanemailissent.
Createarule:
1.GotoSettings>System>Events>Rulesandaddarule.
2.Typeanamefortherule.
3.Inthelistofconditions,selectTampering.
4.Inthelistofactions,selectSendnoticationtoemail.
5.SelectarecipientfromthelistorgotoRecipientstocreateanewrecipient.
Tocreateanewrecipient,click.Tocopyanexistingrecipient,click.
6.Typeasubjectandamessagefortheemail.
7.ClickSave.
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AXISP3925-RNetworkCamera
Cleanngrecommendatons
Cleanngrecommendatons
NO NO
NOTICE TICE TICE
Neveruseharshdetergent,forexamplegasoline,benzene,oracetone.
1.Useacanofcompressedairtoremoveanydustorloosedirtfromthedevice.
2.Ifnecessary,cleanthelenswithasoftclothdampenedwithlukewarmwater.
Note
Avoidcleaningindirectsunlightoratelevatedtemperatures,asthismaycausestainswhenthewaterdropletsdry.
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AXISP3925-RNetworkCamera
Learnmore
Learnmore
Viewarea
Aviewareaisacroppedpartofthefullview.Youcanstreamandstoreviewareasinsteadofthefullviewtominimizebandwidth
andstorageneeds.IfyouenableTZforaviewarea,youcanpan,tiltandzoomwithinit.Byusingviewareasyoucanremoveparts
ofthefullview,forexample,thesky.
Whenyousetupaviewarea,werecommendyoutosetthevideostreamresolutiontothesamesizeasorsmallerthantheviewarea
size.Ifyousetthevideostreamresolutionlargerthantheviewareasizeitimpliesdigitallyscaledupvideoaftersensorcapture,
whichrequiresmorebandwidthwithoutaddingimageinformation.
Captremodes
Acapturemodeconsistsofaresolutionandthecorrespondingframerateavailableintheproduct.Thecapturemodesetting
affectsthecamera’seldofviewandaspectratio.
Thelowerresolutioncapturemodeiscroppedoutfromthehighestresolution.
Theimageshowshowtheeldofviewandaspectratiocanchangebetweentwodifferentcapturemodes.
Whichcapturemodetochoosedependsontherequirementsofframerateandresolutionforthespecicsurveillancesetup.For
specicationsaboutavailablecapturemodes,seetheproduct’sdatasheetataxis.com.
Privacymasks
Aprivacymaskisauser-denedareathatpreventsusersfromviewingapartofthemonitoredarea.Inthevideostream,privacy
masksappearasblocksofsolidcolor.
Aprivacymaskisauser-denedareathatcoversapartofthemonitoredarea.Inthevideostream,privacymasksappeareitheras
blocksofsolidcolororwithamosaicpattern.
You’llseetheprivacymaskonallsnapshots,recordedvideo,andlivestreams.
YoucanusetheVAIX®applicationprogramminginterface(AI)toturnofftheprivacymasks.
Important
Ifyouusemultipleprivacymasksitmayaffecttheproduct’sperformance.
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AXISP3925-RNetworkCamera
Learnmore
Overlays
Overlaysaresuperimposedoverthevideostream.Theyareusedtoprovideextrainformationduringrecordings,suchasatimestamp,
orduringproductinstallationandconguration.Youcanaddeithertextoranimage.
Thevideostreamingindicatorisanothertypeofoverlay.Itshowsyouthattheliveviewvideostreamislive.
Pan,tilt,andzoom(PTZ)
Gardtors
Aguardtourdisplaysthevideostreamfromdifferentpresetpositionseitherinapredeterminedorrandomorder,andforcongurable
periodsoftime.Oncestarted,aguardtourcontinuestorununtilstopped,evenwhentherearenoclients(webbrowsers)viewingthe
images.
Note
Thepausebetweensuccessiveguardtoursisatleast10minutes,andthexedminimumviewingtimeis10seconds.
Streamingandstorage
Videocompressionformats
Decidewhichcompressionmethodtousebasedonyourviewingrequirements,andonthepropertiesofyournetwork.The
availableoptionsare:
MotionJPEG
Note
ToensuresupportfortheOpusaudiocodec,theMotionJEGstreamisalwayssentoverRT.
MotionJEG,orMJEG,isadigitalvideosequencethatismadeupofaseriesofindividualJEGimages.Theseimagesarethen
displayedandupdatedataratesufcienttocreateastreamthatshowsconstantlyupdatedmotion.Fortheviewertoperceivemotion
videotheratemustbeatleast16imageframespersecond.Fullmotionvideoisperceivedat30(NTSC)or25(AL)framespersecond.
TheMotionJEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequalityandaccesstoeveryimage
containedinthestream.
.264orMPEG-4Part10/AVC
Note
H.264isalicensedtechnology.TheAxisproductincludesoneH.264viewingclientlicense.Toinstalladditionalunlicensed
copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
H.264can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan80%comparedtotheMotion
JEGformatandbyasmuchas50%comparedtotheMEG-4standard.Thismeansthatlessnetworkbandwidthandstoragespace
arerequiredforavideole.Orseenanotherway,highervideoqualitycanbeachievedforagivenbitrate.
.265orMPEG-Part2/EVC
Note
H.265islicensedtechnology.TheAxisproductincludesoneH.265viewingclientlicense.Toinstalladditionalunlicensed
copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.
HowdoImage,Stream,andStreamprolesettingsrelatetoeachother?
TheImagetabcontainscamerasettingsthataffectallvideostreamsfromtheproduct.Ifyouchangesomethinginthistab,it
immediatelyaffectsallvideostreamsandrecordings.
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AXISP3925-RNetworkCamera
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TheStreamtabcontainssettingsforvideostreams.Yougetthesesettingsifyourequestavideostreamfromtheproductanddon’t
specifyforexampleresolution,orframerate.WhenyouchangethesettingsintheStreamtab,itdoesn’taffectongoingstreams,but
itwilltakeeffectwhenyoustartanewstream.
TheStreamprolessettingsoverridethesettingsfromtheStreamtab.Ifyourequestastreamwithaspecicstreamprole,the
streamcontainsthesettingsofthatprole.Ifyourequestastreamwithoutspecifyingastreamprole,orrequestastreamprole
thatdoesn'texistintheproduct,thestreamcontainsthesettingsfromtheStreamtab.
Bitratecontrol
Withbitratecontrol,youcanmanagethebandwidthconsumptionofyourvideostream.
Variablebitrate(VBR)
Withvariablebitrate,thebandwidthconsumptionvariesbasedonthelevelofactivityinthescene.Themoreactivityinthescene,
themorebandwidthyouneed.Youareguaranteedconstantimagequalitybutitrequiresstoragemargins.
Maximumbitrate(MBR)
Withmaximumbitrate,youcansetatargetbitratetohandlebitratelimitationsinyoursystem.Youmayseeadeclineinimage
qualityorframeratewhentheinstantaneousbitrateiskeptbelowthespeciedtargetbitrate.Youcanchoosetoeitherprioritize
imagequalityorframerate.Werecommendthatyoucongurethetargetbitratetoahighervaluethantheexpectedbitrate.This
givesyouamarginforadditionalcomplexitythatneedstobecaptured.
1Targetbitrate
Averagebitrate(ABR)
Withaveragebitrate,thebitrateisautomaticallyadjustedoveralongertimescale.Thisissoyoucanmeetthespeciedtargetand
providethebestvideoqualitybasedonyouravailablestorage.Bitrateishigherinsceneswithalotofactivity,comparedtostatic
scenes.Youaremorelikelytogetbetterimagequalitywhenneededwhenusingtheaveragebitrateoption.Youcandenethetotal
storagerequiredtostorethevideostreamforaspeciedamountoftime(retentiontime)whenimagequalityisadjustedtomeetthe
speciedtargetbitrate.Specifytheaveragebitratesettingsinoneofthefollowingways:
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