AC3/DTS through spdif possible w/ analog through line-out? | Page 2

Discussion in 'General Support' started by hansdegit, October 5, 2005.

  1. hansdegit

    hansdegit Portal Pro

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    DMAN,

    thanks for your patience.

    My problem is that I am unsuccesful in pushing AC3 through spdif using iviaudio.ax, because "spdif" is grayed out in the codec properties page (via Radlight Filter Mgr). Should I care?



    Therefore, I take it that I have to make these registry settings to enable SPDIF:

    [HKEY_CURRENT_USER\Software\InterVideo\Common\AudioDec\MediaPortal]
    "AUDIOCHAN"=dword:00000007
    "AUDIO"=dword:00000006


    Do I also need this one? Probably not, just to double-check.
    [HKEY_USERS\S-1-5-21-(...)\Software\Intervideo\Common\AudioDec\MediaPortal]
    "AUDIO"=dword:00000001
     
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  3. hansdegit

    hansdegit Portal Pro

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    Hmm, the digital stream arrives at my receiver now. But no stereo output from the line-out.

    I'll doublecheck whether ffdshow still has AC3 passtrough enabled.

    [EDIT]
    And it still had....

    But, still no output on line-out. WTF am I doing wrong?
     
  4. hansdegit

    hansdegit Portal Pro

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    A brief history

    OK, what have I tried?

    - installed windvd7
    - made a registry setting:[HKEY_CURRENT_USER\Software\InterVideo\Common\AudioDec\MediaPortal]
    "AUDIOCHAN"=dword:00000007
    "AUDIO"=dword:00000006
    - installed and registered mpgaudio.ax (although that's not necessaryfor watching DVD's)
    - disabled ffdshow codecs for EVERY audio-related feature (I'm very close to uninstalling ffdshow)
    - instructed MP to use intervideo codecs for audio and navigation and dscaler for video.

    And all I get is DTS through spdif, no sound through line-out.
    Could this be a limitation of Realtek's ALC850 chipset?

    More suggestions please!? This is driving me nuts..
     
  5. dman_lfc
    • Team MediaPortal

    dman_lfc Retired Team Member

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    Seems it might be a limitation of your chipset. :cry:

    DMAN
     
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