[mythtv-users] HDMI Nvidia card that just works? Audio too?

[Jongi]

On Wed, 2009-09-30 at 13:53 -0400, James Crow wrote:
> I have a total of four cards capable of VDPAU. Three of them support 
> SPDIF pass through. One of them (a 9500GT) came with the cable to 
> connect my MB output to the video cards input. The other two support 
> SPDIF passthrough, but did not come with the necessary cable. I was able 
> to pick two of them up from an auction site for ~$10. I have one 8400GS 
> card that does not support audio passthrough and it lacks any input 
> connector.
> 
> Someone earlier in the thread asked about DVI->HDMI and audio. I have an 
> 9500 card that supports audio pass through but only has DVI output. When 
> I connect it to my TV with a DVI->HDMI cable I get audio through the TV 
> speakers.
> 
> The one potential downside is that you can lose the ability to adjust 
> the volume from within Myth without decoding/re-encoding audio from 
> within alsa.
> 
> Cheers,
> James
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What settings would I need in to enable the sound through the video card
(9500GT)? My system shows:

mythtv-debian:~# aplay -L
hdmi:CARD=NVidia
    HDA NVidia, NVIDIA HDMI
    HDMI Audio Output
null
    Discard all samples (playback) or generate zero samples (capture)

mythtv-debian:~# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


In MythTV (trunk 22096), I currently have:

Audio output device: ALSA:plughw:0,3
Passthrough output device: ALSA:plughw:0,3
Max Audio Channels: Stereo
Upmix: Passive
Enable AC3 to SPDIF passthrough: unticked
Enable DTS to SPDIF passthrough: unticked
Agressive Sound card Buffering: ticked

Thanks
Jongi