User manual

AXISQ1614NetworkCamera

VideoandAudio

AudioModes

TheAxisproductsupportsthefollowingaudiomodes:

Fullduplex-Simultaneoustwo-wayaudioallowingtheAxisproducttotransmitandreceiveaudioatthesametime.Thereisno

echocancellation;iffeedbackloopsappear,trymovingthemicrophoneorthespeaker.

Half-duplex-AudiocanbetransmittedtoandfromtheAxisproductbutonlyinonedirectionatatime.Totransmitaudiousingthe

LiveViewpage,usetheTalkandListenbuttons,seeAMCAudioControls,onpage14.

Simplex—speakeronly-AudioistransmittedfromaclienttotheAxisproductandcanbeplayedbyaspeakerconnected

totheproduct.TotransmitaudiousingtheLiveViewpage,theTalkandMicrophonebuttonsmustbothbeactive,seeAMC

AudioControls,onpage14.

Simplex—microphoneonly-AudiocapturedbytheproductmicrophoneistransmittedfromtheAxisproducttooneormoreclients.

Tosettheaudiomode,gotoVideo&Audio>AudioSettingsandselectthedesiredmodefromtheAudiomodedrop-downlist.

AudioInput

AnexternalmicrophoneoralinesourcecanbeconnectedtotheAudio-inconnector.ConguretheaudioinputsettingsunderVideo

&Audio>AudioSettings.

Note

Theinternalmicrophoneisusedbydefault;theexternalmicrophoneisusedwhenconnected.Itispossibletodisablethe

internalmicrophonebyconnectingaplugtothemicinput.

Note

IfusingLineinamonocontactmustbeused.Signalontipandgroundonsleeve.

SelectMicrophonetouseanexternalmicrophoneorLinetouseaLineindevice,e.g.anaudiomixerformultiplemicrophones

oramicrophonewithabuilt-inamplier,asaudiosource.

TheMicrophonepoweroptionprovidesDCpowerforanexternalmicrophone.Microphonepowershouldonlybeusedwith

microphonesthathavenobatteryandwhenusingtheinternalmicrophone.Thissettingshouldnotbeenabledwhenusingadynamic

orbatterypoweredmicrophone.Microphonepowerwillnotharmthemicrophone;ifyouareuncertain,tryswitchingitoffandon.

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.

TheSampleratedenesthenumberoftimespersecondthesoundissampled.Ahighersampleratewillprovidebetteraudio

quality,butalsorequiresagreaterbandwidth.