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LX-MADI

User Manual

v1.0 October 2015

LX-MADI

Multichannel MADI PCI Express Sound Card

User Manual

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Содержание LX-MADI

Страница 1: ...LX MADI User Manual v1 0 October 2015 LX MADI Multichannel MADI PCI Express Sound Card User Manual 0 ...

Страница 2: ...irements Supported operating systems 5 SOFTWARE INSTALLATION AND CONFIGURATION UNDER WINDOWS 5 1 Installation under Windows operating systems 5 2 Microsoft volume mixer panel 5 3 ASIO driver configuration 6 HOW TO CHECK THE INSTALLATION UNDER WINDOWS 7 UNINSTALLING THE DRIVERS UNDER WINDOWS 8 SPECIFICATIONS 8 1 Configuration 8 2 Inputs Outputs 8 3 Connectors 8 4 Development environments 9 APPENDIX...

Страница 3: ...en the equipment and the receiver connect the equipment into an outlet on a circuit different from that of the receiver consult the dealer or an experienced radio television technician Note Connecting this device to peripheral devices that do not comply with CLASS B requirements or using an unshielded peripheral data cable could also result in harmful interference to radio or television reception ...

Страница 4: ...and Linux Alsa drivers Card can be used through the following programming interfaces APIs DirectSound kernel streaming DirectSound WASAPI ASIO Alsa 32 stereo DirectSound playback devices 32 stereo DirectSound recording devices 32 mono ASIO playback channels 32 mono ASIO recording channels 64 mono Alsa playback channels 64 mono Alsa recording channels Real time simultaneous record and playback in P...

Страница 5: ...TALLATION AND CONFIGURATION UNDER WINDOWS The installation of the software requires administrator rights on your computer Please visit the Digigram web site at www digigram com for the most recent driver In case you run a specific application developed or installed by a Digigram Partner this application might require the use of a given driver version In this case make sure that the updated driver ...

Страница 6: ...indow appears read it and select I accept the terms in the license agreement to approve it Click Next In the Custom Setup window the Drivers for the LX board are displayed The WDM driver is always installed The ASIO driver installation is optional and can be selected unselected It is selected by default Click Next 5 ...

Страница 7: ...mware version of the LX MADI card is compared with the firmware version included in the driver package If the firmware of your card requires an update the firmware update application starts You are then prompted to continue the firmware update The update is recommended so that the driver runs with the appropriate firmware version for optimal performance Press Ok to continue the firmware update pro...

Страница 8: ...channels at 44 1 48 kHz 88 2 96 kHz Note that LX MADI always receives 64 or 32 channels even in 56 28 channels mode Frame rate Frame rate of MADI receiver and transmitter Nominal Sample Rate 1 frame 1 channel 64 channels at 48 kHz and 32 channels at 96 kHz Half Sample Rate Allows transporting 96 kHz in 48 kHz frames 1 frame 2 channels Input Status This section displays information reported from th...

Страница 9: ...cations the selection of a lower value may produce audio dropouts depending on the PC configuration When using the card if audio dropouts are experienced it may be necessary to increase the granularity Granularity can be 8 16 32 or 64 samples Note Button Audio Card Settings allows displaying the LX MADI control panel Click on Ok Click on the Finish button of the next window to complete the driver ...

Страница 10: ...on the Windows flavour the DirectSound devices may be displayed disordered 5 2 Microsoft volume mixer panel The Windows volume mixer can be displayed from the loudspeaker icon in the Wiindows task bar The volume slider associated to the LX MADI DirectSound device applies a digital gain to the audio samples sent to the card In case some applications use the device they appear in the Applications se...

Страница 11: ...3 ASIO driver configuration To use the card through an ASIO based application make sure the ASIO driver option has been checked during the installation as describe above installed the card s settings can be adjusted through its ASIO control panel This panel can started from Start Programs Digigram Digigram ASIO MADI Settings It can also be launched directly from the ASIO software applications as m...

Страница 12: ...ularity button Note that audio dropouts may be experienced when using very small buffer size It is possible to check if audio dropouts are experienced First of all start the ASIO based Allocate the ASIO channels in this application Open this ASIO control panel and click on the Test button Click on Launch test to start the test Errors are listed in the window Stop the test by clicking on Stop test ...

Страница 13: ...LX MADI User Manual v1 0 October 2015 12 ...

Страница 14: ...tly as follows 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 LX MADI tab displays information about the LX MADI cards installed in the computer card type serial number If the card is listed in the LX MADI tab the driver is correctly installed and it ha...

Страница 15: ...rom 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 Installation troubleshooting If the LX MADI card is not listed in the LX MADI tab Please check from the Windows Device Manager if the card is detected by the operating system Right click on the icon My computer from the Desktop ...

Страница 16: ...hem If there is another free PCI Express slot insert the card in it and power on the computer Check again if the card is detected as described above If the card is not detected in any PCI Express slot of this computer you may try it in another computer If the card is not detected please contact your card supplier 7 UNINSTALLING THE DRIVERS UNDER WINDOWS Open the Windows Control Panel and double cl...

Страница 17: ...onization MADI input stream Word clock Clock sources and sampling frequencies Internal clock 44 1 kHz 48 kHz 88 2 kHz 96 kHz Word Clock 44 1 kHz 48 kHz 88 2 kHz and 96 kHz MADI 44 1 kHz 48 kHz 88 2 kHz and 96 kHz 8 3 Connectors MADI I O 1 optical connector for MADI I O Word Clock IN or OUT BNC 8 4 Development environments Audio devices 64 64 simultaneous Record Play Mono channels to from PC Latenc...

Страница 18: ... 9 APPENDIX 9 1 LX IP schematic diagram 9 2 Connectors Optical fibe r MADI in and MADI out BNC 75 WordClock in or out set by software Hardware selection through a jumper of the impedance 75 Ohms or High impedance High impedance 75 Ohms 17 ...

Страница 19: ...LX MADI User Manual v1 0 October 2015 18 ...

Страница 20: ...igigram 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...

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