Axis F44 - Audio Input;Output and Clips; Audio Input;Output Details

AXISF44MainUnit
VideoandAudio
Note
IfusingunbalancedLineinamonocontactmustbeused.Signalontipandgroundonsleeve.
SelectExternalMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiple
microphonesoramicrophonewithabuilt-inamplier,asaudiosource.
TheMicrophonepoweroptionprovidesDCpowerforanexternalmicrophone.
Microphonepowershouldonlybeusedwithmicrophonesthathavenobattery.Thissettingshouldnotbeenabledwhenusinga
dynamicorbatterypoweredmicrophone.
UsetheInputgaintocontrolthevolumeoftheaudioinput.Ifthesoundistoolow,chooseahigherdBvalue,toamplifythe
sound.Ifthesoundistoohigh,choosealowerdBvalue.TheLevelbargivesavisualrepresentationoftheaudiosignallevelindB
relativetothefull-scaleinputlevel.
•Green—thesignalisatagoodlevel.
•Yellow—thesignalisbecomingdistorted.
•Red—thesignalisdistorted.
UsetheEncodingoptiontoselectdigitalaudioencodingformat.
•AACrequiresalicenseforbothencodinganddecoding.AACistheleastcomplicatedandmostwidelyusedcodec.If
achievingthebestpossibleaudioqualityisapriority,AACistherecommendedcodectouse.AnAAClicenseisincluded
intheAxisproduct.
•G711isanunlicensedstandardcodecthatisusefulwhenintegratingaudiointoaVoIPsystem
•G726isanunlicensedspeechcodecthatismostcommonlyusedwithinthesecurityindustry.
Note
TheSampleratedenesthenumberoftimespersecondthesoundissampled.Ahighersampleratewillprovidebetteraudio
quality,butalsorequiresagreaterbandwidth.
SettherequiredBitratedependingontheselectedencoding.Ahigherbitratewillgivebetteraudioquality.Alowerbitrate
mayhavelatencyordelay,butwillrequirelessbandwidth.
Formoreinformationaboutthesesettings,pleaseseetheonlinehelp
.
AudioOutput
AnexternalspeakercanbeconnectedtotheAudio-outconnector(anactivespeakerwithbuilt-inamplierisrequiredforthis).The
outputcanbeconnectedtoanotheramplierwithspeakers.Astereoconnectormustbeusedfortheaudioout.
ConguretheaudiooutputsettingsunderVideo&Audio>AudioSettings.
Outputgain-Controlthevolumeofthelineaudiooutput.Ifthesoundistoolow,chooseahigherdBvalue.Ifthesoundis
toohigh,choosealowerdBvalue.
AudioClips
AnaudioclipisasoundlethatcanbeplayedwheneventsoccurordirectlyfromtheLiveViewpage.Theaudioclipmustrstbe
uploadedtotheAxisproductorrecordedbyamicrophoneconnectedtotheproduct.
Toadd,download,modifyorremoveaudioclips,gotoVideo&Audio>AudioClips.Formoreinformationseetheonlinehelp
.
ToconguretheAxisproducttoplayaudioclipswhenaneventoccurs,anactionrulemustbesetup.Formoreinformation,
seeEventsonpage35.
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