[mythtv-users] slightly OT: no sound

[Nick Rout]

On Tue, Dec 16, 2008 at 8:20 AM, Mary Strimel <mary.strimel at gmail.com> wrote:
> Hello,
> My myth box has been running happily for 70+ days, but now after rebooting
> there is no sound.  I don't think it's a myth-specific problem but since my
> hardware is similar to other myth users I hope someone here can help me -
> other routes have failed.
>
> I have onboard Via sound using Alsa's snd_via82xx driver.  I also have a
> PC-HDTV 5500 and a WinTV PVR 250 installed.
>
> There are two weird things I noticed after the reboot (besides the eerie
> quiet):
>
> 1) there no /dev/dsp device anymore.  I think myth was using /dev/dsp for
> sound; the myth setting is now defaulted to "adsp" but I have no idea what
> that is.
>
> 2) under xmms, sound *does* work if I select, under the ALSA output, "hw
> 1,0" but there is no sound in any other program.  Alsamixer shows the Via
> sound controller as device 1, and all channels are unmuted / top volume.
>
> I am aware that people on this mailing list have solved issues with PCI
> cards being recognized in a different order at boot time, but I how do I
> tell if this is actually the problem?  I don't want to be messing around
> with settings in "blind" fashion and break something else.
>
> Also, if I determine that it's an issue with the card order, how would I
> know which card "should" be detected first?  And why aren't any /dev/dsp
> devices being created at all?
>
> Any help with the ANY of the above would be much appreciated!  If it
> matters, I have Ubuntu Gutsy 64.
> thanks,
> Mary

A few preliminary tests would be to run

aplay -l
aplay -L
ls /proc/asound (I think thats the path)

to see what is recognised.



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