AXISP5415–EPTZDomeNetworkCamera
VideoandAudio
AudioSettings
TheaudiofunctionalityforeachvideostreamisenabledunderVideo&Audio>VideoStream>Audio.

AudioModes

TheAxisproductsupportsthefollowingaudiomodes:
Fullduplex-Simultaneoustwo-wayaudioallowingtheAxisproducttotransmitandreceiveaudioatthesametime.Thereisno
echocancellation;iffeedbackloopsappear,trymovingthemicrophoneorthespeaker.
Half-duplex-AudiocanbetransmittedtoandfromtheAxisproductbutonlyinonedirectionatatime.Totransmitaudiousingthe
LiveViewpage,usetheTalkandListenbuttons,seeAMCAudioControlsonpage1 1.
Simplex—NetworkCameraspeakeronly-AudioistransmittedfromaclienttotheAxisproductandcanbeplayedbyaspeaker
connectedtotheproduct.TotransmitaudiousingtheLiveViewpage,theTalkandMicrophonebuttonsmustbothbeactive,
seeAMCAudioControlsonpage1 1.
Simplex—NetworkCameramicrophoneonly-AudiocapturedbytheproductmicrophoneistransmittedfromtheAxisproductto
oneormoreclients.
Tosettheaudiomode,gotoVideo&Audio>AudioSettingsandselectthedesiredmodefromtheAudiomodedrop-downlist.

AudioInput

SelectMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiplemicrophones
oramicrophonewithabuilt-inamplier ,asaudiosource.
Selectthemicrophonesensitivitylevel(High/Low)dependingonthesoundlevelinthemonitoredarea.Forexample,iftheAxis
productisinstalledinanoisyenvironment,trysettingtheinputsensitivitytoLow.
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.
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