[Hurin]

Getting audio via SPDIF to work with BM also requires setting up SPDIF in the NVIDIA decoder itself.

First, start playing a DVD in windowed mode in Media Player (not BM).

This should show the NVIDIA decoder icon in the system tray while it plays the DVD. Right-click it and open properties. From there, this bit of NVIDIA's website applies. . .

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How do I turn on S/PDIF mode?
Browse to the NVIDIA DVD Decoder Properties and select the “Audio� properties page. Click on the “Speaker Setup� button and select “a receiver� and then check “via an S/PDIF cable�. After this is done, the NVIDIA DVD Decoder will be in bypass mode and output all audio to an external receiver or decoder, including Dolby Digital 5.1 and DTS surround sound.

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Now, if you've set up the followin properly at the bottom of your xml file as described above in this thread, you should be good to go. Here is how the bottom of my beyondmediasettings.xml file looks (the parts in blue are what I added):

C:\Documents and Settings\All Users\Application Data\Snapstream\Beyond Media\BeyondMediaSettings.xml

-------this appears at bottom--------

<PropertyBag>
    <Name>DVDAudioFilters</Name>
    <Property>
      <Name>CyberLink</Name>
      <Value>9bc1b780-85e3-11d2-98d0-0080c84e9c39</Value>
    </Property>
    <Property>
      <Name>InterVideo</Name>
      <Value>7e2e0dc1-31fd-11d2-9c21-00104b3801f6</Value>
    </Property>
    <Property>
      <Name>NVIDIA-Audio</Name>
      <Value>6C0BDF86-C36A-4D83-8BDB-312D2EAF409E</Value>
    </Property>
  </PropertyBag>
  <PropertyBag>
    <Name>DVDVideoFilters</Name>
    <Property>
      <Name>CyberLink</Name>
      <Value>9bc1b781-85e3-11d2-98d0-0080c84e9c39</Value>
    </Property>
    <Property>
      <Name>InterVideo</Name>
      <Value>0246ca20-776d-11d2-8010-00104b9b8592</Value>
    </Property>
    <Property>
      <Name>NVIDIA-Video</Name>
      <Value>71E4616A-DB5E-452B-8CA5-71D9CC7805E9</Value>
    </Property>
    </PropertyBag>
</PropertyBag>