Axis 0658-001 Axis F41 User Manual

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AXISF41MainUnit

VideoandAudio

AudioInput

AnexternalmicrophoneoralinesourcecanbeconnectedtotheAudio-inconnector.ConguretheaudioinputsettingsunderVideo

&Audio>AudioSettings.

SelectMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiplemicrophones

oramicrophonewithabuilt-inamplier,asaudiosource.

TheMicrophonepoweroptionprovidesDCpowerforanexternalmicrophone.Microphonepowershouldonlybeusedwith

microphonesthathavenobattery.Thissettingshouldnotbeenabledwhenusingadynamicorbatterypoweredmicrophone.

Touseaprofessionalmicrophonerequiring48Vphantompower,youneedanexternalpowersupplyandabalanced-unbalanced

converter(audiotransformer)inbetween.

UsetheInputgaintocontrolthevolume(dBFullScale)oftheaudioinput.Ifthesoundistoolow,chooseahigherdB,toamplify

thesound.Ifthesoundistoohigh,choosealowerdB.TheLevelbargivesavisualrepresentationoftheaudiosignallevelindB

relativetothefull-scaleinputlevel.

•Green—thesignalisatagoodlevel.

•Yellow—thesignalisbecomingdistorted.

•Red—thesignalisdistorted.

UsetheEncodingoptiontoselectdigitalaudioencodingformat.

•AACrequiresalicenseforbothencodinganddecoding.AACistheleastcomplicatedandmostwidelyusedcodec.If

achievingthebestpossibleaudioqualityisapriority,AACistherecommendedcodectouse.AnAAClicenseisincluded

intheAxisproduct.

•G711isanunlicensedstandardcodecthatisusefulwhenintegratingaudiointoaVoIPsystem

•G726isanunlicensedspeechcodecthatismostcommonlyusedwithinthesecurityindustry.

Note

Ifrecordingaudiotoedgestorage,suchasanSDcardornetworkshare,useAACencoding.

TheSampleratedenesthenumberoftimespersecondthesoundissampled.Ahighersampleratewillprovidebetteraudio

quality,butalsorequiresagreaterbandwidth.

SettherequiredBitratedependingontheselectedencoding.Ahigherbitratewillgivebetteraudioquality.Alowerbitrate

mayhavelatencyordelay,butwillrequirelessbandwidth.

Formoreinformationaboutthesesettings,pleaseseetheonlinehelp

AudioOutput

AnexternalspeakercanbeconnectedtotheAudio-outconnector(abuilt-inamplierisrequiredforthis).Theoutputcanbe

connectedtoanotheramplierwithspeakers.Astereoconnectormustbeusedfortheaudioout.

ConguretheaudiooutputsettingsunderVideo&Audio>AudioSettings.

Outputgain-Controlthevolume(dBFullScale)ofthelineaudiooutput.Ifthesoundistoolow,chooseahigherdB.Ifthe

soundistoohigh,choosealowerdB.

AudioClips

AnaudioclipisasoundlethatcanbeplayedwheneventsoccurordirectlyfromtheLiveViewpage.Theaudioclipmustrstbe

uploadedtotheAxisproductorrecordedbyamicrophoneconnectedtotheproduct.

Toadd,download,modifyorremoveaudioclips,gotoVideo&Audio>AudioClips.Formoreinformationseetheonlinehelp.

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Axis 0658-001 F41 1 Channel HDTV 1080P Main Unit