[mythtv-users] Samsung PS50A550 and Asus M3N78-VM HDMI Sound (Debian MythtTV)

[John Andrunas]

You likely need to update ALSA I believe 1.0.19 is the first version
that supported audio over HDMI for Nvidia, I have Asus M3-N78-Pro and
that is what I had to do.

On Wed, Apr 1, 2009 at 11:18 AM, Jongi <jongitech at gmail.com> wrote:
> The Samsung is my Plasma TV. The Asus is my Motherboard. It has a
> GeForce 8200 Video card and I am using the HDMI out on the motherboard
> to connect to the plasma. The video is pretty goood I have to say. My
> main issue is that the sound is not coming through the TV.
>
> I have the following for aplay -L
>
> front:CARD=NVidia,DEV=0
>    HDA NVidia, VT1708B Analog
>    Front speakers
> surround40:CARD=NVidia,DEV=0
>    HDA NVidia, VT1708B Analog
>    4.0 Surround output to Front and Rear speakers
> surround41:CARD=NVidia,DEV=0
>    HDA NVidia, VT1708B Analog
>    4.1 Surround output to Front, Rear and Subwoofer speakers
> surround50:CARD=NVidia,DEV=0
>    HDA NVidia, VT1708B Analog
>    5.0 Surround output to Front, Center and Rear speakers
> surround51:CARD=NVidia,DEV=0
>    HDA NVidia, VT1708B Analog
>    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> surround71:CARD=NVidia,DEV=0
>    HDA NVidia, VT1708B Analog
>    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
> iec958:CARD=NVidia,DEV=0
>    HDA NVidia
>    IEC958 (S/PDIF) Digital Audio Output
> null
>    Discard all samples (playback) or generate zero samples (capture)
>
>
> aplay -l shows
> mythtv-debian:~# cat aplay.txt
> **** List of PLAYBACK Hardware Devices ****
> card 0: NVidia [HDA NVidia], device 0: VT1708B Analog [VT1708B Analog]
>  Subdevices: 2/2
>  Subdevice #0: subdevice #0
>  Subdevice #1: subdevice #1
> card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
> I have even gone with a ~/.asoundrc for all users that looks like (and
> this was the last step I treid to get it working)
>
> mythtv-debian:~#
> cat .asoundrc
> pcm.!default
> {
>  type
> plug
> }
>
> pcm.analog {
> type plug
> slave.pcm "analog-hw"
> }
>
> ctl.analog {
> type hw
> card 0
> device 3
> }
>
> pcm.mixed-analog {
> type plug
> slave.pcm "dmix-analog"
> }
>
> ctl.mixed-analog {
> type hw
> card 0
> device 3
> }
>
> pcm.digital {
> type plug
> slave.pcm "digital-hw"
> }
>
> ctl.digital {
> type hw
> card 0
> device 3
> }
>
> pcm.mixed-digital {
> type plug
> slave.pcm "dmix-digital"
> }
>
> ctl.mixed-digital {
> type hw
> card 0
> device 3
> }
>
> pcm.analog-hw {
> type hw
> card 0
> device 3
> }
>
> ctl.analog-hw {
> type hw
> card 0
> device 3
> }
>
> pcm.digital-hw {
> type hw
> card 0
> device 3
> }
>
> ctl.digital-hw {
> type hw
> card 0
> device 3
> }
>
> pcm.dmix-analog {
> type dmix
> ipc_key 1234
> slave {
>   pcm "analog-hw"
>   period_time 0
>   period_size 1024
>   buffer_size 4096
>   rate 48000
> }
> }
>
> ctl.dmix-analog {
> type hw
> card 0
> device 3
> }
>
> pcm.dmix-digital {
> type dmix
> ipc_key 1235
> slave {
>   pcm "digital-hw"
>   period_time 0
>   period_size 1024
>   buffer_size 4096
>   rate 48000
> }
> }
>
> ctl.dmix-digital {
> type hw
> card 0
> device 3
> }
>
> This is on a Debian Lenny system that is still pretty much stable bar
> for the kernel, alsa, nvidia (kernel-sources and related files), lirc
> and gcc packages. These are the latest unstable versions while
> everything else is still stable.
>
> Thanks in advance
>
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>



-- 
John