NVidia HDMI output

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Am Dienstag, den 07.06.2011, 17:38 +0300 schrieb Lasse K?rkk?inen:
> 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 
> 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.
> 
> The nouveau driver also displays all the same controls but no sound is 
> heard (for now at least), so do not bother trying to use that.

I do not know if it is helpful or on topic, but Stephen Warren wrote on
the list alsa-devel that he wrote up a document describing the current
state regarding ALSA and Nvidia [1].


Thanks,

Paul


[1] ftp://download.nvidia.com/XFree86/gpu-hdmi-audio-document/gpu-hdmi-audio.html
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