User Manual

AXISQ7436VideoEncoderBlade
SettingUptheProduct
Forquicksetup,useoneofthepredenedstreamproles.Eachpredenedprolehasadescriptivename,indicatingitspurpose.If
required,thepredenedstreamprolescanbemodiedandnewcustomizedstreamprolescanbecreated.
Tocreateanewproleormodifyanexistingprole,gotoSetup>Video>StreamProles.
ToselectadefaultstreamprolefortheLiveViewpage,gotoSetup>LiveViewCong.
CameraSettings
TheVideo>CameraSettingspageprovidesaccesstoadvancedimagesettingsfortheAxisproduct.
ImageAppearance
IncreasingtheColorlevelincreasesthecolorsaturation.Thevalue100givesmaximumcolorsaturation.Thevalue0givesa
blackandwhiteimage.
TheimageBrightnesscanbeadjustedintherange0–100,whereahighervalueproducesabrighterimage.
IncreasingtheSharpnesscanincreasebandwidthusage.Asharperimagemightincreaseimagenoiseespeciallyinlowlight
conditions.Alowersettingreducesimagenoise,butthewholeimagewillappearlesssharp.
TheContrastchangestherelativedifferencebetweenlightanddark.Itcanbeadjustedusingtheslidebar.
LocalContrastappliescontrasttoaspecicareaoftheimage.Usetheslidertoadjustthecontrast,whereahighervalueproduces
animagewithhighcontrastbetweenthedarkandlightareas.
Videoinput
•EnteradescriptivenameforyourvideosourceintheVideosourcenameeld.
•ThevaluesintheOffsetAdjustmentseldsaffectthehorizontalandverticalsynchronizationfortheimage.Thiscan
beusedtoeliminateanyblackbordersurroundingtheimage.Highvalues,bothnegativeandpositivecanputthe
imageoutofsync.
•De-interlacing-isusedtoimprovevideostreamimagequalityfromanalogdevices.Selectanyofthefollowingoptions
fromtheDe-interlacingdrop-downlist.SelectNoneifde-interlacingisnotnecessary;Blendingforimprovedimage
qualitythatisnotasprocessorintensive;AdaptiveInterpolationperformsde-interlacingofthevideostreambyapplying
differentltersontheimage.ThismaygiveabetterresultthanMotionAdaptiveInterpolationinrarecases;Motion
AdaptiveInterpolationperformsde-interlacingofthevideostreambyapplyingdifferentltersdependingonthemotion
indifferentpartsoftheimage.Thiswillinmostcasesresultinthebestimagequality.
•Antialiasingwillminimizedistortionknownasaliasing,whichhappenswhenahigh-resolutionimageisrepresentedat
alowerresolution.
•Foreachvideoinput75Ohmvideoterminationcanbeenabled/disabledviatheproduct'swebpageatVideo&Audio
>VideoInput>Videotermination.Theseterminationsareenabledonfactorydefault.Incaseswheretheproduct
istobeconnectedinparallelwithotherequipment,foroptimumvideoquality,itisrecommendedthatterminationbe
enabledforonlythelastdeviceinthevideosignalchain.
ImageSettings
Overlay
Overlaysareusedtoprovideextrainformation,forexampleforforensicvideoanalysisorduringproductinstallationand
conguration.Overlaysaresuperimposedoverthevideostream.
Anoverlaytextcandisplaythecurrentdateandtime,oratextstring.Whenusingatextstring,modierscanbeusedtodisplay
informationsuchasthecurrentbitrateorthecurrentframerate.Forinformationaboutavailablemodiers,seeFileNaming&
Date/TimeFormatsintheonlinehelp.
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