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  1. Member
    Join Date
    Nov 2004
    Search Comp PM
    I have finally got my big screen and htpc setup.
    Now i have to fine tune it!
    hopefully someone can help..with suggestions or settings??

    I have an optical connection between my HTPC
    and an A/V receiver(with Dolby digital and DTS decoding capability)
    The HTPC has an onboard sound chipset...C-Media 9880L
    with driver version

    I can get 5.1 and DTS output playing a DVD thru the HTPC.

    I can only get Dolby digital 2ch playing a DVD on the hard drive
    using media player classic
    I can only also get Dolby digital 2ch from Xvid movies (which have attached 5.1 DD sound)
    using Media player classic

    Is there anyway of changing decoding or filter settings to get this C-Media card to output
    the raw stream to the AV receiver and not impose its two channel DD setting
    on the Xvids and DVDs on hard drive??

    I have PowerDVD 6 and WinDVD and AC3 filter installed as well.

    In powerDVD 6(with DD5.1 and DTS) I have SPDIF out ticked ..
    and in AC3 filter SPDIF output set .

    Do I have to set something in Win XP registry to force the Cmedia Sound
    card/driver to output
    5.1 sound all six channels?

    Hopefully someone can point me in right direction..TIA

  2. I'm a MEGA Super Moderator Baldrick's Avatar
    Join Date
    Aug 2000
    Search Comp PM
    please don't cross post. one topic is enough.

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