Sound config for Intel HDA (ICH7)

[Anne Wilson]

On Thursday 16 March 2006 19:54, Todd Zullinger wrote:
> Hi,
>
> I have a Dell E1705 with an Intel HDA Controller that I'm trying to
> get working correctly with FC4 (the race is on to see if I can work
> all the little kinks out before updating to FC5 :).
>
> Running system-config-soundcard, the test sound is played and sounds
> perfect.  However, playing sound in any other app doesn't sound as
> good.  It's crackly, like old vinyl, and quite a bit lower in volume.
>
> Looking at s-c-s, the command it runs to play the test sound is
> essentially:
>
> aplay -D plughw:0,0 -N /usr/share/system-config-soundcard/sound-sample.wav
>
> Running this directly, sound is great.  Removing the -Dplughw:0,0
> results in sh crackly, subpar sound.
>
> I don't know alsa configuration all that well, so I was hoping someone
> here might be able to point me in the right direction.
>
I don't know your soundcard, but on many cards there are channels that 
interfere with others.  Run alsamixer from a user console and experiment.  
You'll probably find that there is one channel that has to be muted.  When 
you've sorted it do 'alsactl store'.

Anne
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