I have a Celeron D 2.93 master backend with a ATI TV Wonder PCI (attached to the onboard motherboard soundcard) and Hauppauge WinTV GO-Plus (attached to a SoundBlaster Live Value).  Both are bt8x8 cards.  I was previously running Fedora Core 3 and MythTV 0.18.1 without any audio problems, but I needed to reinstall the OS so I upgraded to Fedora Core 4.

I have no volume when I watch LiveTV or recordings from the ATI card.  The WinTV card works fine.  I have a patch cable from the ATI's line-out to the soundcard's line-in and headphones attached to the speaker-out of the soundcard.  I hear nothing.

The strange thing is that if I run TVTime, audio works fine.  Then, if I shut-down TVTime and immediately go into MythTV LiveTV (on a remote frontend), I can hear the channel and switch channels no problem.  But inevitably, after exiting to the menu and going back into LiveTV, the volume mysteriously gets muted.  At that point, I plug my headphones directly into the ATI's line-out and also now hear nothing.  Start up TVTime again, and I can hear audio.

The whole time, anything recorded/Live TV from the WinTV works fine with audio, so I know I don't have a problem on the frontend side of things.

Is possible that something to do with the msp3400 driver in FC4 is screwing things up?

Thanks!

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