[mythtv-users] GT-430 HDMI Audio Problem

Kirk Bocek t004 at kbocek.com
Tue Jan 10 21:43:12 UTC 2012



On 1/10/2012 1:29 PM, Kenneth Emerson wrote:
>
>
> On Mon, Jan 9, 2012 at 10:59 PM, Kirk Bocek <t004 at kbocek.com
> <mailto:t004 at kbocek.com>> wrote:
>
>     I'm having trouble getting HDMI audio out on a PNY GT430. This is a
>     MythTV box that originally had a GT220 in it that was running fine with
>     HDMI audio out until the card died. I couldn't find any GT220s and am
>     trying to get this GT430 up.
>
>     CentOS 5.7 x86_64 with current updates. All packages from ATrpms. Nvidia
>     275.36 installed. Alsa 1.0.24 kmdls, utils and drivers installed.
>
>     Card is not muted in alsamixer.
>
>     $aplay -l
>     **** List of PLAYBACK Hardware Devices ****
>     card 0: Intel [HDA Intel], device 0: ALC662 rev1 Analog [ALC662 rev1
>     Analog]
>        Subdevices: 1/1
>        Subdevice #0: subdevice #0
>     card 0: Intel [HDA Intel], device 1: ALC662 rev1 Digital [ALC662 rev1
>     Digital]
>        Subdevices: 1/1
>        Subdevice #0: subdevice #0
>     card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
>        Subdevices: 1/1
>        Subdevice #0: subdevice #0
>
>     Card is clearly connected, I get an image on the screen through the
>     stereo. But running speaker-test, I get nothing:
>
>
>     $speaker-test -c 2 -r 48000 -D hw:1,3
>
>     speaker-test 1.0.24.2
>
>     Playback device is hw:1,3
>     Stream parameters are 48000Hz, S16_LE, 2 channels
>     Using 16 octaves of pink noise
>     Rate set to 48000Hz (requested 48000Hz)
>     Buffer size range from 64 to 16384
>     Period size range from 32 to 8192
>     Using max buffer size 16384
>     Periods = 4
>     was set period_size = 4096
>     was set buffer_size = 16384
>     0 - Front Left
>     1 - Front Right
>     Time per period = 5.634415
>
>
>     Does anyone have any ideas? As I said, this setup was working with a
>     GT-220. I was forced to upgrade from CentOS 5.5 to 5.7 after installing
>     the 430 so I must have missed something.
>
>
> When I was trying to get my GT430 working with Ubuntu 11.10 I found this
> link very helpful:
>
> ftp://download.nvidia.com/XFree86/gpu-hdmi-audio-document/gpu-hdmi-audio.html#_under_enumeration_of_hdmi_devices
>
>
> Regards,
>
> -- Ken E.

Thanks Ken, that's the closest description yet of what I'm seeing. But 
PulseAudio isn't installed on CentOS 5, only ALSA. So far this is 
looking like an ALSA driver issue.

Kirk Bocek


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