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AXISI8116-ENetworkVideoIntercom
Thewebinterface
Motion-adaptiveexposure:Selecttoreducemotionblurinlow-lightconditions.
Blur-noisetrade-off:Usetheslidertoadjusttheprioritybetweenmotionblurandnoise.Ifyouwanttoprioritizelowbandwidth
andhavelessnoiseattheexpenseofdetailsinmovingobjects,movetheslidertowardsLownoise.Ifyouwanttoprioritizethe
preservationofdetailsinmovingobjectsattheexpenseofnoiseandbandwidth,movetheslidertowardsLowmotionblur.
Note
Youcanchangetheexposureeitherbyadjustingtheexposuretimeorbyadjustingthegain.Ifyouincreasetheexposure
time,itresultsinmoremotionblur,andifyouincreasethegain,itresultsinmorenoise.IfyouadjusttheBlur-noise
trade-offtowardsLownoise,theautomaticexposurewillprioritizelongerexposuretimesoverincreasinggain,andthe
oppositeifyouadjustthetrade-offtowardsLowmotionblur.Boththegainandexposuretimewilleventuallyreach
theirmaximumvaluesinlow-lightconditions,regardlessofthepriorityset.
Lockaperture
:TurnontokeeptheaperturesizesetbytheApertureslider.Turnofftoallowthecameratoautomatically
adjusttheaperturesize.Youcan,forexample,locktheapertureforsceneswithpermanentlightconditions.
Aperture
:Usetheslidertoadjusttheaperturesize,thatis,howmuchlightpassesthroughthelens.Toallowmorelight
toenterthesensorandtherebyproduceabrighterimageinlow-lightconditions,movetheslidertowardsOpen.Anopenaperture
alsoreducesthedepthofeld,whichmeansthatobjectsclosetoorfarfromthecameracanappearunfocused.Toallowmoreof
theimagetobeinfocus,movetheslidertowardsClosed.
Exposurelevel:Usetheslidertoadjusttheimageexposure.
Defog
:Turnontodetecttheeffectsoffoggyweatherandautomaticallyremovethemforaclearerimage.
Note
WerecommendyounottoturnonDefoginsceneswithlowcontrast,largelightlevelvariations,orwhentheautofocusis
slightlyoff.Thiscanaffecttheimagequality,forexample,byincreasingthecontrast.Furthermore,toomuchlightcan
negativelyimpacttheimagequalitywhendefogisactive.
Stream
General
Resolution:Selecttheimageresolutionsuitableforthesurveillancescene.Ahigherresolutionincreasesbandwidthandstorage.
Framerate:Toavoidbandwidthproblemsonthenetworkorreducestoragesize,youcanlimittheframeratetoaxedamount.
Ifyouleavetheframerateatzero,theframerateiskeptatthehighestpossiblerateunderthecurrentconditions.Ahigher
frameraterequiresmorebandwidthandstoragecapacity.
Compression:Usetheslidertoadjusttheimagecompression.Highcompressionresultsinalowerbitrateandlowerimagequality.
Lowcompressionimprovestheimagequality,butusesmorebandwidthandstoragewhenyourecord.
Signedvideo
:Turnontoaddthesignedvideofeaturetothevideo.Signedvideoprotectsthevideofromtamperingby
addingcryptographicsignaturestothevideo.
Zipstream
Zipstreamisabitratereductiontechnology,optimizedforvideosurveillance,thatreducestheaveragebitrateinanH.264orH.265
streaminrealtime.AxisZipstreamappliesahighbitrateinsceneswheretherearemultipleregionsofinterest,forexample,inscenes
withmovingobjects.Whenthesceneismorestatic,Zipstreamappliesalowerbitrate,andtherebyreducestherequiredstorage.
Tolearnmore,seeReducingthebitratewithAxisZipstream
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