Polycom EagleEye Director Quick setup guide
Integrating Polycom EagleEye Director with
an HDX and SoundStructure System
ThisapplicationnotedescribeshowtousePolycom’sEagleEyeDirectorwithanHDXVideoconferencingsystemthatis
integratedwithaSoundStructuresystemanddetailsthestepsforcreatingaSoundStructureproject.
Integrating the HDX codec and the EagleEye Director
ThePolycomEagleEyeDirectorforHDXdeliversanaffordable,personalizedtelepresenceexperienceingroupmeetings
byintelligentlyemulatingprofessionalvideoproductiontechniquesenablingbettercommunicationandmore
productivemeetings–noremotecontroloruserinterventionisrequired.SoundStructuresolutionsoffertheultimatein
audioqualityandflexibilityforanysizeroom.CombiningthesecomponentstogetherisanaturalextensionoftheHDX
codecandimprovestheoverallaudioexperience.
AsshowninFigure1,whentheEagleEyeDirectorisusedwithanHDXcodec,thetwosystemsareconnectedtogether
withacustomcableincludedwithEagleEyeDirectorthatconnectstheaudiooutputs(1Land1R)fromtheHDXcodecto
theEagleEyeDirectorandconnectsthesameaudiototheAmplifierviaadditionalbalancedaudiocables.Inadditionto
theaudiocables,thereisavideocable(redinthisfigure)fortakingthevideooutputfromtheEagleEyeDirectorintothe
HDXcodec.
Figure 1 - Signal connections for EagleEye Director and HDX system showing the audio connections (black) and the video signal (red).
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EagleEyeDirectorneedsthemixofalltheremoteaudiosothattheEagleEyeDirectorcanproperlydiscernbetween
audioplayedintotheroomfromtheremotesites(i.e.,remotetalkers)andthelocaltalkeraudiointhelocalroomwhen
determiningcamerapositioning.
Integrating the SoundStructure with the HDX codec and EagleEye Director
TheHDXcodec/EagleEyeDirectorsolutioncanbeupgradedwithoneormoreSoundStructuredevicesbyreplacingthe
analogoutputs1Land1RfromtheHDXcodecwithtwoanalogoutputs(outputs1and2)totheAmplifierandtwomore
outputs(outputs3and4)totheEagleEyeDirectorasshowninFigure2.
Figure 2 - Integrating SoundStructure with an EagleEye Director uses four balanced audio cables and one conference link interface to
the HDX codec.
Thefourbalancedaudiocablesusedareconnectedstraight‐throughwithpin1connectedtopin1,pin2connectedto
pin2,andpin3connectedtopin3asshowninFigure3.
Figure 3 - A standard balanced audio cable with 3.5mm terminal block connectors.
BeforeconnectingtheSoundStructuresystemtotheHDXcodec,itisrecommendedthatyouenableLiveMusicmodein
theHDXcodec.TodothisnavigatetheHDXUIfromAdminSettings>AudioSettingsandselectLiveMusicmode.This
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settingwilldisableanyaudioprocessingwiththeHDXandminimizeanyaudiosuppressionthatmayoccurintheHDX
codec.ItisimportanttomakethischangebeforeconnectingtheHDXtotheSoundStructuresystembecausethe
LiveMusicmodeoptionisnotvisibleoncethetwodevicesareconnectedoverConferenceLink.
TheSoundStructuresystemisconnectedtotheHDXcodecusingtheConferenceLinkconnection.Whenthe
SoundStructuresystemisintegratedwiththeHDX900xcodec,the18”RJ45‐maletoRJ45‐maleConferenceLinkcable,
2457‐23574‐001,whichisincludedwitheverySoundStructuredeviceshouldbeusedtoconnectdirectlytotheHDX
codec.
IftheSoundStructuresystemisintegratedwithanHDX800x,HDX700x,orHDX600xcodec,theRJ45femaletoWalta
maledongle,2457‐25646‐001,shouldbeusedwiththe18”RJ45‐maletoRJ45‐maleConferenceLinkcabletoconnect
theRJ45connectionontheSoundStructuredevicetotheWaltaconnectorontheHDX800x/700x/600xcodec.Seethe
BestPracticesGuidePolycomSoundStructureandHDXMicrophonesonPolycom.comfordetailedinformation,pin‐outs,
andconnectiondiagrams.
SoundStructure Studio Configuration File
TheSoundStructureconfigurationfilecanbeeasilycustomizedtosupporttheadditionaloutputchannelrequiredto
drivetheinputtotheEagleEyeDirector.Tocompletethisintegration,thefollowingstepsarerequired:
1. AddanewStereooutputfromSoundStructuretotheinputontheEagleEyeDirector
2. AddagroupthatcontainsboththeAmplifierandEagleEyeDirectoroutputs
3. Ensurethein‐roomvolumecontrolisdoneproperlysothatin‐roomleveladjustmentsareheardintheroomare
alsoheardbytheEagleEyeDirector.
Asanexampleofthecustomizationsrequired,anexampleconfigurationfilethatsupports2HDXCeilingmicrophones,
anHDXcodec,andastereoaudioamplifieroutputwillbecreated.
Tostarttheproject,launchtheSoundStructureStudioprogramandselectNewProjectfromtheSoundStructureStudio
Filemenu.
Step 1: Select the Inputs
1. AtStep1,clickMicrophoneandthenclickHDXCeilingmicrophone,
2. Adjustthequantityto2andclickAdd,
3. Next,addtheHDXcodecbyclickingVideoCodec,PolycomHDX,andclickAdd.
TheresultingchannelsthataredefinedareshowninFigure4.
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Figure 4 - Step 1 of creating a SoundStructure project.
Step 2: Select the Outputs
Tocreatetheoutputs,followthesesteps:
1. ClickNexttoselecttheoutputsandselectastereoamplifiercalled“Amplifier”andclickAddassummarizedin
Figure5.
Figure 5 - Add a stereo amplifier channel for the local room audio to the project by following the numbered steps.
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2. Next,selectanotherstereoamplifieroutput,renamethechannelto“EagleEye”fortheEagleEyeDirectorand
selectAddassummarizedinFigure6.
Figure 6 - Add an amplifier channel and rename EagleEye in step 2 of creating a SoundStructure Project by following the numbered
steps.
TheresultingchannelsshownintheChannelsDefinedsectionareshowninFigure7.
Figure 7 - The result after clicking Add to create the EagleEye audio channel.
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Step 3: Select the Equipment
ClickNexttocontinueandselectthedefaultSoundStructuredevices.InthiscaseaSoundStructureC8deviceisrequired
toimplementthesystemasshowninFigure8.YoucanmanuallyselectadifferentdeviceorsimplyclickNexttogetto
thelaststep.
Figure 8 - Step 3 automatically selects the equipment required to implement the design.
Step 4: Finish the Project
ClickFinishtocreatetheofflineprojectasshowninFigure9.
Figure 9 - Select ‘Work offline’ in the final step of the project to make it easier to make the remaining project changes.
Matrix Settings
NavigatetotheMatrixpageofthedesignedprojecttoreviewthesettingsasshowninFigure10.Asshowninthisfigure
theremoteaudiofromthePolycomHDXInchannelisroutedtoboththeAmplifierandtheEagleEyeoutputs.Thebold
crosspointvaluesindicatethematrixcrosspointsareunmutedandthevalueindicatesthegainwith0dBindicatingthat
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thesignallevelisnotchangedatthematrixcrosspoint.Crosspointscanbemutedandunmutedbyrightclickingonthe
crosspoint.
Figure 10 - The default matrix that is created for this project routes the echo cancelled microphones to the HDX codec and the HDX
codec audio is routed to the amplifier and to the EagleEye Director.
Inpreparationforadjustinghowvolumeiscontrolled,clicktheEditGroupcontrolontheMatrixpageandenteragroup
labelof“ToLocalRoom”andpressAddGroupasshowninFigure11.
Figure 11 - Using Edit Group to add a group called ToLocalRoom.
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AfterclickingAddGroupselecttheAmplifierchanneland,whilepressingtheCtrlbuttononthekeyboard,clickthe
outputchannelEagleEyetoselectbothoutputsandthenclickAddChannel>.Thiswilladdbothaudiochannelstothe
ToLocalRoomgroupasshowninFigure12.
Figure 12 - Use Ctrl left click to select multiple audio channels and then, press Add Channel>.
AfterpressingAddChannel>theresultingEditGroupspageappearsasshowninFigure13.
Figure 13 - The ToLocalRoom group includes the Amplifier and EagleEye channels.
TheresultingmatrixwiththenewgroupisshowninFigure14.Noticethatthegroupisdefinedasthetwostereooutput
channelsAmplifierandEagleEye.
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Figure 14 - The audio matrix after the new ToLocalRoom group has been added to the project.
AspartofensuringthevolumecontroladjustsboththeAmplifierandEagleEyeoutputs,theuserminandmaxfader
settingsontheToLocalRoomgroupwillbesettomatchtheminandmaxfadersettingsontheAmplifierchannel.The
reasonforsettingtheuserminandmaxfadervaluesisthatanytimeaSoundStructuresystemisdesignedwithanHDX
codec,bydefaulttheAmplifierfaderminandmaxvaluesareautomaticallysetto‐31and20dBrespectivelyasshownin
theleftsideofFigure15.TheuserminandmaxvaluesaresettoallowtheaudiotobeadjustedbytheHDXcodecover
arangeof0and51andhavethatvolumerangemapdirectlyintotheAmplifierfadervaluesof‐31to+20dB.Thismeans
thatwhentheHDXvolumeissetto0,thefaderontheAmplifierwillbesetto‐31dBandwhentheHDXvolumeissetto
51,thefaderontheAmplifierchannelwillbesetto+20dB.
Becausewe’vedefinedthegroupToLocalRoom,we’llsetthegroupuserminfadervalueto‐31dBasshownintheright
sideofFigure15.Theusermaxvaluedefaultsto+20dB,sonochangeisrequired.Changingtheuserminfadervalueof
theToLocalRoomchannelgroupwillautomaticallyadjusttheuserminfadervalueofallchannelsinthegroup.Inthis
casetheuserminfadervalueoftheEagleEyeoutputissetto‐31dB.
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Figure 15 - The fader min value of the Amplifier channel (left) and setting the value of the fader min on the ToLocalRoom group (right).
SoundStructure Volume Control Events
Next,let’sreviewtheEventsthatareassociatedwiththisprojectandensurethattheaudioleveltotheEagleEye
DirectorstayssynchronizedwiththeaudiolevelsenttoAmplifier.
OntheeventspageshowninFigure16,thereisadefaulteventcalled_PolycomHDXtoSSTVolumethatmapsthe
volumefromtheHDXcodec,usingtheclink_volumeparameter,tothefadervalueoftheAmplifierchannel.Tokeepthe
leveloftheAmplifierandEagleEyeoutputsthesame,editthiseventbydoubleclickingintheeventandchangethe
AmplifieroutputtotheToLocalRoomoutputasshowninFigure17.
Figure 16 - The default events for this project with the volume event highlighted.
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Figure 17 - Editing the volume control event to use the ToLocalRoom group in place of the Amplifier channel.
ClickOKtosavetheeventandtheresultisshowninFigure18.
Figure 18 - The resulting volume control event after editing and saving the event.
NowifthevolumechangesontheHDXcodec,eitherviaanHDXIRremoteoranexplicitHDXAPIcommandforadjusting
thevolume,theToLocalRoomgroupwithinSoundStructurewilltrackthatchangeand,becauseToLocalRoomisagroup,
changeswilladjustthegroupmembers:AmplifierandEagleEye.Thiswillautomaticallymakeitlouderorquieterto
boththeaudioamplifierchannelandtotheEagleEyeDirector.
Confirming the Physical Wiring Matches the Project Wiring
Nowthattheprojectisconfiguredproperly,thenextstepistoconfirmthephysicalwiringoftheaudiototheAmplifier
andtotheEagleEyeDirector.NavigatetotheWiringpageandexpandtheoutputareaasshowninFigure19.Inthis
figuretheAmplifierisconnectedtooutputs1and2andtheEagleEyeDirectorisconnectedtooutputs3and4.
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Figure 19 - The wiring page for the designed system with the outputs expanded.
Ifthiswiringdoesnotmatchhowyouwouldliketoconnectthesystem,youcanclickanddragaudiochannelsonthe
wiringpagetomovetodifferentoutputstomatchyourdesiredwiring.Inthisexample,thewiringmatchesourdesired
systemandthereforenofurtherchangesarerequiredonthewiringpage.
Saving the SoundStructure System Project
Oncetheconfigurationchangeshavebeenmade,itisimportanttosavetheprojecttodisktoensurethechangesare
savedtothefilethatwillultimatelybeuploadedtotheSoundStructuresystem.Tosavethefile,navigatetotheFile
menuandselectSaveProject1asshowninFigure20.
Figure 20 - Navigating to the File Save menu.
NextenterthefilenameoftheprojectandclickSaveasshowninFigure21.
© 2011 Polycom, Inc. All rights reserved. POLYCOM
®
, the Polycom “Triangles” logo and the names and marks
associated with Polycom’s products are trademarks and/or service marks of Polycom, Inc. and are registered
and/or common law marks in the United States and various other countries. All other trademarks are property of
their respective owners. No portion hereof may be reproduced or transmitted in any form or by any means, for any
purpose other than the recipient’s personal use, without the express written permission of Polycom.
Figure 21 - Selecting the directory and filename to use for saving the project.
Sincethesettingsoftheprojecthavechangedsincetheprojectwasfirstcreated,we’llbepresentedwithoptionsfor
howtohandlethechangesrelativetotheexistingprojectandpresets.Inthisexamplebecausewewanttooverwrite
thepoweronpresetsoourchangesarealwaysloadedwhenthedevicepowersup,selectOverwritepresetasshownin
Figure22andclickOKtocontinue.
Figure 22 - Select Overwrite preset "Power On" because of all the changes we've made to the project.
Oncethesystemhasbeenphysicallywired,theprojectisnowreadytobeuploadedintoaSoundStructureSystemfor
finaltesting.SeetheSoundStructureDesignGuideforinformationonhowtouploadaSoundStructureprojecttoa
SoundStructuresystem.
Conclusion
ThePolycomEagleEyeDirectorforHDXdeliversanaffordable,personalizedtelepresenceexperienceingroupmeetings.
TheadditionofoneormoreSoundStructuredevicestothesystemimprovestheoverallaudioexperiencewithmore
microphones,loudspeakers,orotheraudioinputsoroutputswhileretainingthepersonalizedtelepresenceexperience.
IntegratingtheSoundStructuresystemiseasyandonlyrequiresmovingtheoutputstotheSoundStructuredeviceand
someminorchangestoaSoundStructureproject.
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