[alsa-devel] Nvidia hdmi problems

Takashi Iwai tiwai at suse.de
Fri Oct 24 16:22:38 CEST 2008

At Fri, 24 Oct 2008 13:33:17 +0200,
Nir Tzachar wrote:
> > Can you show alsa-info.sh output (with --no-upload option)?
> > If you have two "IEC958 Playback Default" controls with index 0 and 1,
> > the latter is likely the one for HDMI.
> >
> > Try to adjust it manually via iecset program in alsa-utils
> >        % iecset -c0 -n1 pro off audio off
> > then run ac3dec
> >        % ac3dec -H -C foo.ac3
> I don't get any sound (at all, not even regular pcm) after doing this.
> Maybe my TV is not capable of ac3 input? Is this possible?

Not sure about this, but I guess usually AC3-decoding should work on

What shows "iecset -n1" output?

Also, please show the alsa-info.sh output (with --no-upload option)
in your current state.



More information about the Alsa-devel mailing list