Firefox and sound issues

[Keith Clark]

> > A very isolated incident, umm.. let's see, have you upgraded to the 
> >> latest ALSA build which is currently at 1.0.21?
> >>
> >> If not try it out, the instructions for the upgrade process are at this 
> >> link.
> >>
> >> http://webupd8.blogspot.com/2009/09/alsa-1021-upgrade-script-for-ubuntu.html
> >>
> >>
> >>
> >>     
> > Dean,
> >
> > Do you have sound with the given link?
> >
> > Keith
> >
> >
> >
> >   
> I do it works fine for me.
> 
How do I tell which ALSA version I have.  I have a stock 9.04 Ubuntu
installation.