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I've purchased an Asus Xonar DG as replacement for faulty onboard audio in a Medion 8822 as it has an optical output which is all I really need to feed my HTPC.

I uninstalled the previous drivers/devices, switched the PC off, inserted the Asus card, powered up, disabled the onboard audio in the BIOS, then installed the driver that came on the CD (same version as on Asus' website as of today) and everything went perfectly - no errors.

I set the audio devices up in Windows and in the Asus utility (SPDIF enabled, 6-ch audio) as I would expect to see them work, but the only thing is I have no digital audio from test tones within Windows/the Asus utility, PCM audio or Dolby Digital from DVD. Analogue audio is fine.

I've uninstalled things and reinstalled a couple of times now, as well as trying almost all combinations of analogue/digital outputs but can't get it sorted.

Does anyone have any tips on how to get this working? This card has just been released so there isn't much out there to go on.

Notes:

  • The light on the toslink port is lit.
  • OS is Vista 32-bit SP2 and all up to date, pretty much a fresh install with almost no 3rd party applications installed
  • This page seems to suggest that a digital output device in Windows is not needed with Xonar cards as it was with the previous Realtek so I have it set to Analog. The only other output device is S/PDIF pass-thru
Lunatik
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5 Answers5

10

Had the same issue, solved it;

In the Xonar Audio Center, under 'Main', make sure SPDIF Out is TICKED and PCM is selected.

Hope this helps.

acidtwin
  • 101
2

I had no digital signal but got spdif pass through activated and a peak while playing music or audio. I then opened the DG audio center. In the main area I clicked on "spdif off" located beneath this dropdown menu. After a second I got sound back.

I had a Xonar DG with Logitech z5500.

random
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panda
  • 21
0

All that I can suggest is to right click on the speaker icon in the taskbar and choose Playback Devices. From there, make sure that S/PDIF is set to enabled and possibly default.

Next, also you may want to check the cable is working ok - try it with another device, and more importantly, make sure that the device you are using with is enabled and working fine - on a friends AMP, we were trying to get it working for a few minutes before we figured that the S/PDIF port required selecting in a special menu and it is not on / detected automatically.

William Hilsum
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You might download and install the latest Asus Xonar DG Vista 7.12.8.1790 driver.

You can also try the patched and improved non-official version of the driver in
ASUS XONAR Unified Drivers 1.11 & ASIO 1.0 patch

Take normal precautions to be able to rollback the driver change, such as creating a system restore point.

harrymc
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I'm just taking a wild stab here, but if you have only tried test sounds, it could be that the optical link isn't sending data for long enough for the HTPC to initialize the sound.

This might not be relevant to all devices, but with my Logitech Z5500s (I know, I know, boooo) they take about a second of audio playback with optical before you actually hear anything.

I'm just thinking that if you've only tried test tones, that could be the problem, if you've tried music or something, completely disregard this.

Azz
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