[mythtv-users] Sound in mythtv but no where else

[Igor Cicimov]

On Tue, Jul 17, 2012 at 3:09 PM, Kevin Johnson <dabears_rule at yahoo.com>wrote:

> Hi all. I have been searching for weeks and have not found a solution.
> No hdmi sound at all on desktop,youtube, or xbmc.
>
> I have sound in mythtv no problem. Configured as
> ALSA:hdmi:CARD=NVidia,Dev=1
>
> kernel = 3.2.0-27-generic
> Processor = Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz
> video = gt430
> mythbuntu = .25 latest fixes
> alsa = 1.0.25
> nvidia driver = 295.40
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: PCH [HDA Intel PCH], device 0: ALC892 Analog [ALC892 Analog]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> card 0: PCH [HDA Intel PCH], device 1: ALC892 Digital [ALC892 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 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
> Subdevices: 0/1
> Subdevice #0: subdevice #0
> card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
>
> I have tried every possible solution I can find on the web and NOTHING
> gets me hdmi
> No variation of asound.conf has worked.
> There is no sound in the desktop or anywhere else except mythtv.
>
> Yes, I can use the spdif output for mythtv and everywhere else. However,
> the spdif out has a very loud and annoying popping sound when exiting and
> entering live tv.
>
> So I want to use hdmi. And hdmi should work right??
>
> Suggestions? Am I missing something simple?
> Is mythtv not allowing other programs to use the hdmi sound?
> Yes, alsamixer is all unmuted.
>
> Appreciate the help.
>
> I posted results from the alsa info script here,
>
> http://pastebin.com/r7V1PMFh
>
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>
>
Have you tried using the dmix plugin in asoundrc file? I think some
applications, including mythtv probably on startup, open the alsa device in
blocking mode which means no sound mixing is allowed.

Igor
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