[mythtv-users] HDMI audio works on flat screen but not in mythtv

Jean-Yves Avenard jyavenard at gmail.com
Sat Apr 2 07:26:01 UTC 2011

On 2 April 2011 14:01, Raymond Norton <admin at lctn.org> wrote:
> I am running mythtv on a zodac box with Ubuntu Maveric (Mint 10). I have
> HDMI audio working on the desktop, but only get video with mythtv.
>  I have set the sound output to HDMI on the desktop and in mythtv
> frontend settings, unmuted spdif via alsamixer, updated to the latest
> nvidia drivers via:sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
> sudo apt-get update && sudo apt-get dist-upgrade
> sudo apt-get install nvidia-current
> I have also changed the mixer in mythtv from PCM to Master, and set
> mixer device to "software"
> I captured all the details about my sound card here:
> http://www.alsa-project.org/db/?f=979e4e34e02c7c4dfd119aafeaedf006eb966649
> Mythfrontend version: branches/release-0-23-fixes (26437)
> Any ideas what to look at next

If you are using pulseaudio and it is running:
With ubuntu you must use ALSA:pulse as audio device.

You must set the speaker configuration to stereo and uncheck AC3 and
DTS (no digital passthrough will work).

Now if you were using mythtv 0.24 you would have better alternatives.

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