Axis P1353–E - Audio Clips

AXISP1353–ENetworkCamera
VideoandAudio
Note
Whenusedinanoutdoorenclosure,theinternalmicrophoneonthisAxisproductcannotbeused.
SelectMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiplemicrophones
oramicrophonewithabuilt-inamplier,asaudiosource.
Touseaprofessionalmicrophonerequiring48Vphantompower,youneedanexternalpowersupplyandabalanced-unbalanced
converter(audiotransformer)inbetween.
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.
•G71 1isanunlicensedstandardcodecthatisusefulwhenintegratingaudiointoaVoIPsystem
•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-Controlthevolumeofthelineaudiooutput.Ifthesoundistoolow,chooseahigherdBvalue.Ifthesoundis
toohigh,choosealowerdBvalue.
AudioClips
AnaudioclipisasoundlethatcanbeplayedwheneventsoccurordirectlyfromtheLiveViewpage.Theaudioclipmustrstbe
uploadedtotheAxisproductorrecordedbyamicrophoneconnectedtotheproduct.
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