Axis P1364 - Audio Input

AXISP1364NetworkCamera
VideoandAudio
Thereisnoechocancellation;iffeedbackloopsappear,trymovingthemicrophoneorthespeaker.
•Half-duplex–AudiocanbetransmittedtoandfromtheAxisproductbutonlyinonedirectionatatime.Totransmit
audiousingtheLiveViewpage,usetheTalkandListenbuttons,seeAMCAudioControlsonpage14.
•Simplex–NetworkCameraspeakeronly-AudioistransmittedfromaclienttotheAxisproductandcanbeplayedby
aspeakerconnectedtotheproduct.TotransmitaudiousingtheLiveViewpage,theTalkandMicrophoneonbuttons
mustbothbeactive,seeAMCAudioControlsonpage14.
•Simplex–NetworkCameramicrophoneonly-Audiocapturedbytheproductmicrophoneistransmittedfromthe
Axisproducttooneormoreclients.
Tosettheaudiomode,gotoVideo&Audio>AudioSettingsandselectthedesiredmodefromtheAudiomodedrop-downlist.
AudioInput
AnexternalmicrophoneoralinesourcecanbeconnectedtotheAudio-inconnector.ConguretheaudioinputsettingsunderVideo
&Audio>AudioSettings.
Note
Theinternalmicrophoneisusedbydefault;theexternalmicrophoneisusedwhenconnected.Itispossibletodisablethe
internalmicrophonebyconnectingaplugtothemicinput.
Note
IfusingunbalancedLineinamonocontactmustbeused.Signalontipandgroundonsleeve.
SelectMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiplemicrophones
oramicrophonewithabuilt-inamplier,asaudiosource.
Selectthe+30dBmicrophoneboostoptiontoamplifythesignaloftheexternalmicrophoneconnectedtotheAxisproduct.
Microphoneboostoptionisusefulwhenamicrophone'svolumeistoolowandyouwanttoincreaseit.Thisoptionisnotavailable
whentheLinesourceisselected
TheMicrophonepoweroptionprovidesDCpowerforanexternalmicrophone.
Microphonepowershouldonlybeusedwithmicrophonesthathavenobattery.Thissettingshouldnotbeenabledwhenusinga
dynamicorbatterypoweredmicrophone.
TheMicrophonepoweroptionprovidesDCpowerforanexternalmicrophone.Microphonepowershouldonlybeusedwith
microphonesthathavenobatteryandwhenusingtheinternalmicrophone.Thissettingshouldnotbeenabledwhenusingadynamic
orbatterypoweredmicrophone.Microphonepowerwillnotharmthemicrophone;ifyouareuncertain,tryswitchingitoffandon.
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
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