[mythtv-users] Static noise from AC3 passthrough

[Michael T. Dean]

On 05/29/2006 10:30 PM, Eric Smith wrote:
> I'm hoping this issue is a minor one that I am just over-looking but I
> can't seem to figure it out.  I can't get AC3 passthrough to work
> (through mplayer, xine, or myth).  In each case whenever I enable AC3
> I get a horrible pulsating static sound through my receiver and the
> auto detection on the receiver never changes from 2 channel.  Hardware
> wise, I've had the same setup outputting AC3 on a Windows box in the
> past so I'm fairly sure its not a hardware issue.  Any thoughts would
> be greatly appreciated.
>
> System details:
> Fedora Core 4 2.6.15.1.1833
> Alsa 1.0.10
> Audigy with the emu10k1 driver Using Coax to a digital receiver
> Using Jarod's asoundrc/modprobe with the digital-hw as default

With that asoundrc, you should never directly use the "devices" 
"dmix-analog", "dmix-digital", "digital-hw", and "analog-hw".  They are 
there simply for defining the ones you should use:  "mixed-analog", 
"mixed-digital", "digital", and "analog".

Therefore, use "digital".

Mike