JACK's behavior revealed another problem

[hollunder at gmx.at]

On Mon, 10 Nov 2008 08:25:40 -0600
Mark Stuart Burge <mark at msbrepairs.com> wrote:

> 
> 
> Tomas Valusek wrote:
> > Hello,
> >
> > thank you for your help with JACK. I have cought very basic grip of
> > it, and stumbled upon another problem. I'm using proprietary ATI
> > drivers, since with them work cltr-alt-grayplus and
> > ctrl-alt-greyminus to change screen resolution while maintaining a
> > desktop size, thus providing mi with very useful, although very
> > basic, magnifier. But now when system starts, sound devices are
> > given their system names randomly - sometimes is hw:0 assigned to
> > SB Audigy and hw:2 to HDA ATI HDMI, sometimes is HW:0 ATI and hw:2
> > Audigy. I have not recognized the way hw:* devices are assigned,
> > but when JACK stumbles upon ATI, it refuses to start. So every time
> > I see JACK's error message, I have to enter setup window and
> > re-select input and output devices.
> >
> > And BTW, latency displayed by the Setup dialog is 46.4 msec :(
> >
> > Tomas Valusek
> >
> > PS: Here is my current contents of .jackdrc file:
> >
> > /usr/bin/jackd -dalsa -r44100 -p1024 -n2 -D -Chw:0 -Phw:0
> >
> >
> >   
> 
> An alternative to try if that doesn't work for you is:
> 
> sudo asoundconf list

Thanks, this is a nicer way to of getting the name, but sudo isn't
needed at this point.

> 
>   You might see something like this :
> 
> Names of available sound cards:
> Audigy
> ATI-Sound-Card
> 
> To set the audigy as the default card (replace audigy with the exact
> name of the audigy card as it appears in the list:
> 
> sudo asoundconf set-default-card Audigy


Thanks for this as well. One should note that this likely not only
affects jack but all audio applications and might not be desirable.


> followed by a reboot to test.
> 
> 
> That is a  solution found here, thanks to Rocklobsta:
> 
> http://www.linuxquestions.org/questions/ubuntu-63/how-do-you-change-the-default-sound-card-in-kubuntu-499520/
> 

Best regards,
	Philipp