Axis Q1932-E - Page 20

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AXISQ1932–EThermalNetworkCamera

VideoandAudio

•Half-duplex–AudiocanbetransmittedtoandfromtheAxisproductbutonlyinonedirectionatatime.Totransmit

audiousingtheLiveViewpage,usetheTalkandListenbuttons,seeAMCAudioControlsonpage9.

•Simplex–NetworkCameraspeakeronly-AudioistransmittedfromaclienttotheAxisproductandcanbeplayedby

aspeakerconnectedtotheproduct.TotransmitaudiousingtheLiveViewpage,theTalkandMicrophoneonbuttons

mustbothbeactive,seeAMCAudioControlsonpage9.

•Simplex–NetworkCameramicrophoneonly-Audiocapturedbytheproductmicrophoneistransmittedfromthe

Axisproducttooneormoreclients.

Tosettheaudiomode,gotoVideo&Audio>AudioSettingsandselectthedesiredmodefromtheAudiomodedrop-downlist.

AudioInput

AnexternalmicrophoneoralinesourcecanbeconnectedtotheAudio-inconnector.ConguretheaudioinputsettingsunderVideo

&Audio>AudioSettings.

Note

AnAxismulticableisrequiredwhenconnectingexternalaudioequipmenttotheAxisproduct.SeeMulticableconnectors

onpage55.

Note

IfusingunbalancedLineinamonocontactmustbeused.Signalontipandgroundonsleeve.

SelectMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiplemicrophones

oramicrophonewithabuilt-inamplier,asaudiosource.

TheMicrophonepoweroptionprovidesDCpowerforanexternalmicrophone.

Touseaprofessionalmicrophonerequiring48Vphantompower,youneedanexternalpowersupplyandabalanced-unbalanced

converter(audiotransformer)inbetween.

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

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