[mythtv-users] HDMI audio - MB or a Video card that just works?

[John Haywood]

On 25/08/2009, at 3:52 PM, Patrick Ruckstuhl wrote:

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> Hi,
>
> I got audio over HDMI working just fine using the following:
>
> Mainboard with onboard Graphics Card that can du vdpau: P5N7A-VM
>
> I'm using mythbuntu
>
> what I needed to do is create the file /etc/asound.conf
>
> pcm.hdmi_hw {
>  type hw
>  card 0     #  <-----  Put your card number here
>  device 3   #  <-----  Put your device number here
> }
>
> pcm.hdmi_formatted {
>  type plug
>  slave {
>    pcm hdmi_hw
>    rate 48000
>    channels 2
>  }
> }
>
> pcm.hdmi_complete {
>  type softvol
>  slave.pcm hdmi_formatted
>  control.name hdmi_volume
>  control.card 0
> }
>
> pcm.!default hdmi_complete
>
>
>
> use the 0 and 3 I found out by running aplay -l which lists
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: ALC1200 Analog [ALC1200 Analog]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
> card 0: NVidia [HDA NVidia], device 1: ALC1200 Digital [ALC1200  
> Digital]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
> card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
>
> After this I used alsamixer to unmute the device (basically just try  
> to
> unmute everything until you here something)
>
> Regards,
> Patrick
>

Patrick

I understand the first section (hdmi_hw), and this tallies with  
Allen's HowTo well, but what about the next two sections?
How do these operate into a 5.1 receiver, and waht needs to be set in  
which section of MythTV setup (passthrough settings, buffer  
settings....)

cheers

John

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