Axis P3915-R Mk II User Manual

AXISP3915-RMkIINetworkCamera
VideoandAudio
Howtochangeaudiosettings
Tochangetheproduct’saudiosettings,gotoVideo&Audio>AudioSettings.
Toincludetheaudiostreaminavideostream,gotoVideo&Audio>VideoStream.UndertheAudiotab,selectEnableaudio.
Eachstreamproleisaseparatevideostream.Toincludetheaudiostreaminallstreamproles,gototheaudiotabineachstream
prolesettingspageandenableaudio.Formoreinformation,seeAboutstreamprolesonpage19.
Ifyouhaveenabledviewareas,rememberthateachviewareaisaseparatevideostream.Toincludetheaudiostreaminallview
areas,gototheaudiotabineachvideostreampageandenableaudio.FormoreinformationseeViewAreaonpage21.
AudioInput
AnexternalmicrophoneoralinesourcecanbeconnectedtotheAudio-inconnector.ConguretheaudioinputsettingsunderVideo
&Audio>AudioSettings.
Note
IfusingunbalancedLineinamonocontactmustbeused.Signalontipandgroundonsleeve.
SelectMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiplemicrophones
oramicrophonewithabuilt-inamplier,asaudiosource.
Selectthe+30dBmicrophoneboostoptiontoamplifythesignaloftheexternalmicrophoneconnectedtotheAxisproduct.
Microphoneboostoptionisusefulwhenamicrophone'svolumeistoolowandyouwanttoincreaseit.Thisoptionisnotavailable
whentheLinesourceisselected
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.
24

Axis P3915-R Mk II Specifications

General

Brand	Axis
Model	P3915-R Mk II
Category	Security Camera
Language	English