Digigram LX--IP User manual
LXIP userManualv1.04
LXIP
Multichannel RAVENNA/AES67 PCI Express Sound Card
User Manual
June 2016
0
LXIP userManualv1.04
For technical support,
please contact your card supplier
Copyright 2014 Digigram. All rights reserved.
No portion of this manual may be reproduced without prior written consent from Digigram. The copyright protection claimed here includes photocopying, translation and/or
reformatting of the information contained in this manual.
While every effort has been made to ensure accuracy, Digigram is not responsible for errors and omissions, and reserves the right to make improvements or changes in the products and
programs described without notice.
Digigram, the Digigram logo, LX-IP RAVENNA are registered trademarks or trademarks of Digigram S.A.. All other trademarks are property of their respective holders.
Digigram S.A.
82/84 Allée Galilée, 38330 Montbonnot-Saint-Martin, FRANCE
Tel: +33 (0)4 76 52 47 47• Fax: +33 (0) 4 76 52 18 44• E-mail: [email protected]
Digigram Asia Pte Ltd.
60 Albert Street - #19-11OG Albert Complex Singapore 189969, Singapore
Tel : +65 6291 2234 • Fax : +65 6291 3433 • E-mail : [email protected]
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LXIP userManualv1.04
Tableofcontents
1.INFORMATIONFORTHEUSER
2.IMPORTANTNOTICE
3.FEATURES
Mainhardwarefeatures
3.2.Mainsoftwarefeatures(PCside)
3.3.RAVENNAfeatures
4.REQUIREMENTS
4.1.Minimumhardwarerequirements
4.2.Softwarerequirements
4.3.Supportedoperatingsystems
5.SOFTWAREINSTALLATIONANDCONFIGURATION
5.1.InstallationunderWindowsoperatingsystems
5.2.Microsoftvolumemixerpanel
5.3.ASIOdriverconfiguration
6.FIRMWAREUPDATE
7.HOWTOCHECKTHEINSTALLATION
8.LXIPprinciples
8.1.Embeddedroutingmatrix
8.2.Sources
8.3.Destinations
8.4.Clock
Defaultroutingmatrix
9.CONFIGURATIONOFTHEAoIPPARAMETERS
9.1.DefaultIPaddressesofEthports
9.2.Networksettings
9.3.Globalaudioandclocksettings
9.4.Routingmatrix
9.5.CreationofIPstreamspublishedtothenetwork
10.UNINSTALLINGTHEDRIVERS
11.SPECIFICATIONS
11.1.Configuration
11.2.Inputs/Outputs
11.3.Connectors
11.4.RAVENNA/AES67
11.5.Controlandrouting
11.6.Developmentenvironments
12.APPENDIX
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LXIP userManualv1.04
1. INFORMATION FOR THE USER
This device complies with part 15 of FCC rules. Operation is subject to the following two conditions: (1) This device may not cause
harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired
operation.
This equipment has been tested and found to comply with the limits for a CLASS B digital device, pursuant to Part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions contained in this data sheet, may cause harmful interference to radio and television communications. However, there is
noguaranteethatinterferencewillnotoccurinaparticularinstallation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment
offandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:
● reorientorrelocatethereceivingantenna
● increasetheseparationbetweentheequipmentandthereceiver
● connecttheequipmentintoanoutletonacircuitdifferentfromthatofthereceiver
● consultthedealeroranexperiencedradio/televisiontechnician.
Note: ConnectingthisdevicetoperipheraldevicesthatdonotcomplywithCLASSB requirementsorusinganunshielded
peripheraldatacablecouldalsoresultin harmfulinterferencetoradioortelevisionreception.
Toensurethattheuseofthisproductdoesnotcontributetointerference,itisnecessarytouseshieldedI/Ocables.
TheuseriscautionedthatanychangesormodificationsnotexpresslyapprovedbyDigigramcouldvoidtheuser’s
authoritytooperatethisequipment.
Warning:
Electrostatic discharge (ESD) can damage several components on the board.
Toavoidsuchdamageinhandlingtheboard,takethefollowingprecautions:
Bring the device and everything that contacts it to ground potential by providing
a conductive surface and discharge paths. As a minimum, observe these
precautions:
●Disconnectallpowerandsignalsources.
●Placethedeviceonagroundedconductiveworksurface.
●Groundyourselfviaagroundingwriststraporbyholdinga
groundedobject.
●Groundanytoolthatwillcontactthedevice.
2. IMPORTANT NOTICE
Thiscardhasbeentestedandfoundtocomplywiththefollowingstandards:
●International:CISPR22ClassB.
●Europe:EMC89/336/CEE(1992)specifications.
●UnitedStates:FCCRulesPart15ClassB(digitaldevice).
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LXIP userManualv1.04
3. FEATURES
Main hardware features
●PCIEXPRESS
TM
x1(PCIe
®
)bus,compatiblewithPCIe
®
x1,x4,x8orx16slots.
●2GigabitEthernetRJ45portsforRAVENNAI/O(dualportorPrimary/Backupmode)
●1optionalopticalconnectorforMADII/O(Factoryoption)
●1BNCforWordClockInorOut
●Samplingfrequency:
Frominternalclock:44.1kHz,48kHzand96kHz(MADI)
FromnetworkorWordClock:44.1kHz,48kHzand96kHz(MADI)
FromMADI:44.1kHz,48kHz,96kHz
●Routing: zero latency onboard routing matrix between Audio Over IP channels, Digital Audio Workstation
playbackandrecordchannels,andoptionalMADIchannels
3.2. Main software features (PC side)
●LowlatencyWDMDirectSound,ASIO,andAlsadrivers.
● Card can be used through the following programming interfaces (APIs): DirectSound kernel streaming,
DirectSound,WASAPI,ASIO,Alsa.
●32stereoDirectSoundplaybackdevices/32stereoDirectSoundrecordingdevices
●64monoASIOplaybackchannels/64monoASIOrecordingchannels
●64monoAlsaplaybackchannels/64monoASIOrecordingchannels
●Realtime,simultaneousrecordandplaybackinPCM(16and24bits)of64monoI/Ochannels
●EmbeddedWEBserverforIPaudioconfiguration
3.3. RAVENNA features
●Upto128/128I/O(Mono)channelsat44.1kHzor48kHz(64/64I/OoneachGigabitEthernetinterface)
●Packetsizefrom128downto1(ultralowlatencyprofile)audiosamplesperRAVENNApacket
●FullcomplianceinallrespectswithAES67(exceptedSIP).
●PCM16/PCM24/PCM32/AM824(PCM24+AES3channelstatus)
●PTPv2(IEEE15882008)fromnetworkorinternalclockorWordClockorMADIinput
●LocalclockeligibleasGrandMasterPTP
●Localclockprecision:betterthan10ppm
4. REQUIREMENTS
4.1. Minimum hardware requirements
● PCwithonefreePCIExpressslot(x1,x2,x4,x8,x16).
● RequiredCPUpowerandmemorydependontheoperatingsystemandonthesoftwareapplicationsused.
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LXIP userManualv1.04
● LXIP must be connected to a network equipment featuring a 1000 Mbits/s Ethernet interface, or a 100
Mbits/sEthernetinterfacebutthisonewilllimitthenumberofstreams.
4.2. Software requirements
LXIPrequiresinstallationofthedriversincludedintheLXIPKitversion2.02orhigher.Thiskitincludes:
●aWDMDirectSounddriver
●anASIOdriver,whichinstallationisoptional
4.3. Supported operating systems
LXIP runs under Windows 7, Windows 8, Windows 2008 Server, 32bit and 64bit versions, and Windows Server
2012,Windows10,andLinux(notdescribedinthismanual).
5. SOFTWARE INSTALLATION AND CONFIGURATION
Theinstallationofthesoftwarerequiresadministratorrightsonyourcomputer.
PleasevisittheDigigramwebsiteatwww.digigram.comforthemostrecentdriver.
In case you run a specific application developed or installed by a Digigram Partner, this application might require the
useofagivendriverversion.Inthiscase,makesurethattheupdateddriverhasbeenapprovedbyyoursupplier.
5.1. Installation under Windows operating systems
●Shut down your computer, insert the LXIP card in a free PCI EXPRESS
TM slot, and screw it on the frame of the
computer.
●Startthecomputer.
●OncetheWindowssessionisopened,clickon“Cancel”whenthe“FoundNewHardware”Wizardappears.
●RightclickDoubleclickontheLXIPKitvxx.msi
icontolaunchthedriverinstallation.
A “Welcome” message is displayed, click Next to
continue.
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LXIP userManualv1.04
The “License Agreement” window appears: read it,
andclickon
“I accept the terms in the license agreement” to
approveit.
In the “Custom Setup
” window, the “Drivers for the
LXboard”aredisplayed.
TheWDMdriverisalwaysinstalled.
The ASIO driver installation is optional and can be
selected/unselected.Itisselectedbydefault.
ClickNext
.
In the “Ready to Install the Program”
window, click
onInstall
tostartcopyingthefiles.
A Windows message appears for the authorization
toinstallthedriver.Confirmtheinstallation.
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LXIP userManualv1.04
From the displayed “Digigram drivers” window,
select the Stream granularity of the card (number
1
of samples processed at a time). The lower the
granularity,thelowertheaudiolatency.
A granularity of 64 samples is the default value.
When using DirectSound/Wasapi based software
applications, the selection of a lower value may
produce audio dropouts, depending on the PC
configuration.
Under ASIO, granularity can be set to the minimum
value (8 samples), as the ASIO driver uses one
single64channeldevice.
When using the card, if audio dropouts are
experienced, it may be necessary to increase the
granularity.
Granularitycanbe:8,16,32,or64samples.
ClickonOk
.
1Thegranularitycorrespondstothecomputingunitofthecard.Itisexpressedinsamples.
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LXIP userManualv1.04
Click on the Finish button to complete the driver
installation.
Once the driver is installed, the 32 stereo
DirectSound devices are visible from the Windows
“Sound” control panel, by clicking on the “Playback”
tab,and“Recording”tab.
The vumeters are displayed in front of each
device.
Note that as long as Windows diplays the
vumeters, the DirectSound devices are allocated.
This means that they can’t be allocated from
another application that is not based on
DirectSound.
5.2. Microsoft volume mixer panel
TheWindowsvolumemixercanbedisplayedfromtheloudspeakericonintheWiindowstaskbar.
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LXIP userManualv1.04
ThevolumesliderassociatedtotheLXDirectSound
deviceappliesadigitalgaintotheaudiosamplessent
tothecard.
Incasesomeapplicationsusethedevice,theyappear
inthe“Applications”sectionoftheVolumeMixerGUI,
withavolumesliderforeachapplication.
Thevolumesliderassociatedtoanapplicationallows
applyingadigitalgaintotheaudiosamplesplayedby
theapplication,rightbeforetheWindowsDirectSound
mixer.
ThevolumesliderassociatedtotheLXDirectSound
deviceappliesadigitalgaintotheaudiosamples
comingfromtheDirectSoundmixer,beforetheyare
senttothecard.
5.3. ASIO driver configuration
With the ASIO driver installed, the card’s settings can be adjusted through its ASIO control panel. This panel can
started from <Start>,<Programs>,<Digigram>,<ASIO ES Settings>. It can also be launched directly from the
ASIO applications, as most of them feature a “Preferences” or equivalent menu allowing to configure the ASIO
devicestobeused.
Forhelponhowtousethiscontrolpanel,pleaserefertoitsonlinehelp.
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LXIP userManualv1.04
Buffersize
ThebuffersizedeterminesthesizeinsamplesperbufferusedbytheAsiodrivertotransferaudiodatafrom/tothe
board'sInput/Output.Thelowerthebuffersize,thelowerthelatency.
TherangeofthebuffersizesettingsdependsonthestreamgranularitydefinedintheDigigramControlCenter.
Youcanaccessthisparameterbyclickingonthe"ChangeDSPgranularity
"button.
Notethat,audiodropoutsmaybeexperiencedwhenusingverysmallbuffersize.
Itispossibletocheckifaudiodropoutsareexperiencedbyclickingonthe“Test”button.
Incaseerrorsarereported,buffersizehastobeincreased.
SelectActivatedIO
ClickingonthisbuttonallowsselectingthechannelsthataremanagedbhytheASIOdriver.Bydefault,allthe
channelsareenabled.
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LXIP userManualv1.04
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LXIP userManualv1.04
6. FIRMWARE UPDATE
The LXIP firmware can be updated from its WEB
interfaceDefaultIPaddressesare:
Eth0:192.168.0.100
Eth1:192.168.1.100.
Frommenu“Expertsettings”,selectFirmwareupdate.
Drag and drop the firmware file, or select it by clicking
onthe“UploadFile”button.
: A reboot of the PC is necessary after the
firmwareupdate!
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LXIP userManualv1.04
7. HOW TO CHECK THE INSTALLATION
Oncethecardandthedriverareinstalledaccordingtotheproceduredescribedherebeforel,youcancheckthatthe
cardworkscorrectlyasfollows.
Start the “Digigram Control Center” panel from the
menu<Start><Programs><Digigram>.
The “General Information” tab lists all the Digigram
driver packages installed on the computer, and their
versions.
The LXIP tab displays information about the LXIP
cards installed in the computer: card type, serial
number,MACaddress,firmwareversion.
If the card is listed in the LXIP tab, the driver is
correctlyinstalled.
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LXIP userManualv1.04
You can check that audio can be played through the
cardbyselectingthe“Diagnostics”tab.
Theiconoftheinstalledcardisdisplayed.
Right click on the card icon, and select “Play sine (all
channels)”.
This plays in loop a sine signal on all the outputs of the
card.
Thevumetersontherightshouldindicatea0dBlevel.
To stop the playback, right click on the card icon, and
select“stop”.
Note that vumeters are not displayed with the first
driverversion.
The presence of the playout DirectSound devices can
be checked from the Windows “Sound” control panel, in
the“Playback”Tab.
Under Windows Seven and 8, the name of a device can
be modified by right clicking on its name and selecting
“Properties”.
You can test the playback by right clicking on an LXIP
device and selecting “Test”. This plays the Windows
tone test alternatively on the left and right channels.
Thevumetermoves.
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LXIP userManualv1.04
The presence of the recording DirectSound devices can
be checked from the Windows “Sound” control panel, in
the“Record”Tab.
Under Windows Seven and 8, the name of a device can
be modified by right clicking on its name, and selecting
“Properties”.
Installationtroubleshooting
IftheLXIPcardisnotlistedintheLXIPtab
● PleasecheckfromtheWindowsDeviceManagerifthecardisdetectedbytheoperatingsystem.
● Rightclickontheicon“Mycomputer”(fromtheDesktop,orfromtheWindowsfilebrowser).
● Select“Manage”,and“DeviceManager”.
● TheLXIPcardshouldbelistedinthe“Sound,videoandgamecontroller”section.
● Ifthereisanexclamationmarkinfrontofthecard,thismeansthatthedriverisnotinstalledcorrectly.
RemovetheLXIPKitdriverfromtheWindowsControlPanel,Add/Removeprograms,andinstallitagain.
● Ifitisnotlisted,checkinthe“Otherdevices”sectionofthe“deviceManager”.
Ifthecardisnotlistedatallinthe“DeviceManager”,proceedasfollows:
● ShutdownthecomputerandremovetheLXIPcard.
Pleasebecarefulwithelectrostaticdischargewhenhandlingthecard(readsection“Informationfortheuser”
ofthisdocumentformoreinformation)
.
● MakesurethegoldentracksoftheLXIPcardPCIExpressinterfaceareclean;ifnot,youmayuseadryrag
tocleanthem.
● IfthereisanotherfreePCIExpressslot,insertthecardinit,andpoweronthecomputer.
● Checkagainifthecardisdetectedasdescribedabove.
● IfthecardisnotdetectedinanyPCIExpressslotofthiscomputer,youmaytryitinanothercomputer.
● Ifthecardisnotdetected,pleasecontactyourcardsupplier.
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LXIP userManualv1.04
8. LX‐IP principles
8.1. Embedded routing matrix
Theinputsoftheonboardroutingmatrixare:
● 64 channels coming from the input block “RAVENNA AUDIORA0”. This block extracts the audio channels
from the RAVENNA / AES67 streams that are declared to be received through the network interface Eth0.
Thesestreamstobereceivedarenamed“Destinations”.
● 64 channels coming from the block “RAVENNA AUDIORA1”. This block extracts the audio channels from
the RAVENNA / AES67 streams that are declared to be received through the network interface Eth1. These
streamstobereceivedarenamed“Destinations”.
● 64 channels coming from the block “DAW”. This block receives the audio channels that are played by the
softwareapplicationsthroughtheplaybackdevicesandthedriverofLXIP.
● Optionally,64channelscomingfromtheMADIinput.
Theoutputsoftheroutingmatrixare:
● 64 channels assigned to the output block “RAVENNA AUDIORA0”. These channels are the audio sources
oftheAoIPstreamspublishedtothenetworkthroughEth0.thesestreamsarenamed“Sources”.
● 64 channels assigned to the output block “RAVENNA AUDIORA1”. These channels are the audio sources
oftheAoIPstreamspublishedtothenetworkthroughEth1.thesestreamsarenamed“Sources”.
● 64 channels assigned to the output block “DAW”. These channels are collected by the software applications
throughtherecordingdevicesthatareexposedbytheLXIPdriver.
● Optionally,64channelsassignedtotheMADIoutput.
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LXIP userManualv1.04
8.2. Sources
Sources is the name given to the audio streams published to the network by AES67 / RAVENNA capable devices.
FortheLXIP,sourcesarepublishedtothenetworkthroughthenetworkinterfacesEth0andEth1.
Streamswhichaudiochannelscomefromtheoutputblock“RAVENNAAUDIORA0”aresentthroughEth0.
Streamswhichaudiochannelscomefromtheoutputblock“RAVENNAAUDIORA1”aresentthroughEth1.
8.3. Destinations
DestinationsaretheAoIPstreamsreceivedfromthenetwork.
DestinationscanbereceivedonEth0andEth1ports.
The audio channels extracted from the Destinations received through Eth0 are available from the input block
“RAVENNAAUDIORA0”.
The audio channels extracted from the Destinations received through Eth1 are available from the input block
“RAVENNAAUDIORA1”.
8.4. Clock
TheLXIPcanbebeslavedtothePTPclock,ormasterPTPclockonthenetwork.
SlavetoPTPclock:thesourceclockisthePTPclock.
Master PTP Clock: the clock source has to be internal, WordClock, or MADI, and the card is elected as Master PTP
onthenetworkifitsPTPclockhasahigherprioritythanotherpotentialMasterPTPclockunitsonthenetwork.
Default routing matrix
Thematrixdefaultroutingisasfollows:
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LXIP userManualv1.04
9. CONFIGURATION OF THE AoIP PARAMETERS
The network parameters of LXIP can be configured through its embedded WEB server, which is accessible from
anyofthetwoEthports.
9.1. Default IP addresses of Eth ports
Eth0:192.168.0.100
Eth1:192.168.1.100
PorttoaccesstheWEBpages:8081
From a PC connected to the AoIP network, and set to an IP address that belongs to the same subnetwork as the
LXIP card, enter the following in your WEB browser: 192.168.0.100:8081 for a connection to Eth0, or
192.168.1.100:8081foraconnectiontoEth1.
Thefollowingpageisdisplayed.
TheparameterscanbemodifiedbyclickingonEnableEditMode,onthetopoftheWEBpage.
Therequestedpasswordis:ravenna.
Thefollowingpageisdisplayed;
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Table of contents
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