[pulseaudio-discuss] NVidia HDMI output

Julian Sikorski belegdol at gmail.com
Thu Mar 29 09:35:53 PDT 2012

W dniu 2011-06-07 19:25, Colin Guthrie pisze:
> 'Twas brillig, and Stephen Warren at 07/06/11 17:47 did gyre and gimble:
>> Paul Menzel wrote at Tuesday, June 07, 2011 9:17 AM:
>>> Am Dienstag, den 07.06.2011, 17:38 +0300 schrieb Lasse Kärkkäinen:
>>>> The NVidia HDMI ALSA device, present on recent hardware when the nvidia
>>>> driver is used, is not properly used by Pulseaudio. You need to use
>>>> hw:NVidia,7 (I think Pulseaudio uses hw:NVidia,3 by default), the number
>> Be aware that the value "7" (vs. 3, 8, or 9) depends on your GPU and which
>> connector your monitor is attached to, as explained in the document that
>> Paul linked to.
>>>> of channels needs to be configurable (I use six) and Alsamixer control
>>>> "SPDIF 1" needs to be unmuted. It may also be helpful to lock the sample
>>>> rate to avoid switching delays.
>>>> load-module module-alsa-sink device=hw:NVidia,7 channels=6 rate=48000  #
>>>> This is what I use
>>>> All this can be done by manually specifying alsa-sink and unmuteing the
>>>> channel but it really should be automatic as more and more users are
>>>> getting these systems and thus suffer of the problem.
>> In Ubuntu Natty, David Henningson has implemented some profiles for Pulse
>> Audio which allow the end-user to select which PCM device to use within the
>> GPU's audio controller. That should solve your problem. I haven't yet added
>> this information to that document. I'm not sure what the upstream status of
>> those profiles is.
> I haven't added them yet but if it's a sensible short term work around
> I'm certainly not against it.
> I also still need to reply to your other message a week or so back
> Stephen. I've only just managed to catch up on the alsa-devel threads a
> couple days ago so I'm slowly working through my backlog!
> Col
May I ask what is the status of this? Fedora 16 has been stuck on a 
pretty old version of PulseAudio, so I was unable to test it myself.


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