Fedora 14 and HDMI audio - silence.

Peter Robinson pbrobinson at gmail.com
Thu Jan 20 10:33:24 UTC 2011

On Thu, Jan 20, 2011 at 10:25 AM, Adam Williamson <awilliam at redhat.com> wrote:
> On Wed, 2011-01-19 at 21:53 -0800, Chuck Forsberg WA7KGX N2469R wrote:
>> No ground loop noise!   VLC player can pass the Dolby Digital
>> or DTS signal to the receiver for full surround sound.
> If you're trying to do this, expect problems, as PulseAudio doesn't
> really cope with encoded signal passthrough yet, though I believe
> someone's working on it.
>> Fedora 14 (updated) with the current Nvidia driver is
>> reported to support HDMI audio output.  By installing
>> the XFCE mixer I am able to activate iec958 1 which
>> outputs an audio bit stream over the HDMI connector.
> I don't know if Xfce's mixer is doing the right thing, you may want to
> install pavucontrol and check the settings there.
>> Is there a reasonably simple way to get Fedora to speak over the
>> display adapter's HDMI output?
> For 'normal' playback (not encoded signal passthrough) it ought to work
> once you make sure to set the appropriate output for PA. If it still
> doesn't you'll need to file a bug with the recommended details -
> https://fedoraproject.org/wiki/How_to_debug_PulseAudio_problems ,
> https://fedoraproject.org/wiki/How_to_debug_sound_problems .

I have a nvidia ion chipset that has similar problems on Fedora 14.
I've not really got around to looking into the exact issues to file a


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