User manual

AXISQ1615-ENetworkCamera
VideoandAudio
SimplexNetworkCameraspeakeronly-AudioistransmittedfromaclienttotheAxisproductandcanbeplayedbyaspeaker
connectedtotheproduct.TotransmitaudiousingtheLiveViewpage,theTalkandMicrophonebuttonsmustbothbeactive,
seeAMCAudioControlsonpage15.
SimplexNetworkCameramicrophoneonly-AudiocapturedbytheproductmicrophoneistransmittedfromtheAxisproductto
oneormoreclients.
Tosettheaudiomode,gotoVideo&Audio>AudioSettingsandselectthedesiredmodefromtheAudiomodedrop-downlist.
AudioInput
AnexternalmicrophoneoralinesourcecanbeconnectedtotheAudio-inconnector.ConguretheaudioinputsettingsunderVideo
&Audio>AudioSettings.
Note
TheinternalmicrophoneonthisAxisproductcannotbeused.
Note
Theinternalmicrophoneisusedbydefault;theexternalmicrophoneisusedwhenconnected.Itispossibletodisablethe
internalmicrophonebyconnectingaplugtothemicinput.
ThefollowingaudiosourcesareavailableunderAudioInput:
InternalMicrophone:Selectthisaudiosourcetousetheinternalmicrophone.
ExternalMicrophone:Selectthisaudiosourcetousetheexternalmicrophone.
Line:SelectthisaudiosourcetouseaLineindevice,thatis,anaudiomixerformultiplemicrophonesoramicrophone
withabuilt-inamplier.
Selectthe+30dBmicrophoneboostoptiontoamplifythesignaloftheexternalmicrophoneconnectedtotheAxisproduct.
ThisoptionisnotavailablewhentheLinesourceisselected.
TheMicrophonepoweroptionprovidesDCpowerforanexternalmicrophone.Microphonepowershouldonlybeusedwith
microphonesthatrequirethiskindofpowering,thatis,electretmicrophones.Thissettingshouldnotbeenabledwhenusingadynamic
orbatterypoweredmicrophone.Foruseofaprofessionalmicrophonerequiring12Vphantompower,thereisabuilt-inpowersupply.
Note
Touseaprofessionalmicrophonerequiring48Vphantompower,youneedanexternalpowersupplyandabalanced
converter(audiotransformer)inbetween.Theinputmustneverexceed12VDC.
UsetheInputgaintocontrolthevolume(dBFullScale)oftheaudioinput.Ifthesoundistoolow,chooseahigherdB,toamplify
thesound.Ifthesoundistoohigh,choosealowerdB.TheLevelbargivesavisualrepresentationoftheaudiosignallevelindB
relativetothefull-scaleinputlevel.
Greenthesignalisatagoodlevel.
Yellowthesignalisbecomingdistorted.
Redthesignalisdistorted.
UsetheEncodingoptiontoselectdigitalaudioencodingformat.
AACrequiresalicenseforbothencodinganddecoding.AACistheleastcomplicatedandmostwidelyusedcodec.If
achievingthebestpossibleaudioqualityisapriority,AACistherecommendedcodectouse.AnAAClicenseisincluded
intheAxisproduct.
G711isanunlicensedstandardcodecthatisusefulwhenintegratingaudiointoaVoIPsystem
G726isanunlicensedspeechcodecthatismostcommonlyusedwithinthesecurityindustry.
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