Re: [LAU] Please help with audio interfaces that keep changing after reboot

--- On Fri, 5/7/10, Philipp <hollunder@email-addr-hidden> wrote:

> From: Philipp <hollunder@email-addr-hidden>
> Subject: Re: [LAU] Please help with audio interfaces that keep changing after reboot
> To: "linux-audio-user" <linux-audio-user@email-addr-hidden>
> Date: Friday, May 7, 2010, 7:57 PM
> Excerpts from Geoff King's message of
> 2010-05-08 01:17:39 +0200:
> > Hello,
> > I have problem that I've been trying to figure out
> with no luck.  The
> > audio interface keeps changing for example:
> >
> > Today:  Maudio 24/96 is hw:1 and Midisport 4x4
> Anniv is hw:0.
> > Yesterday before reboot: Maudio 24/96 is hw:0 and
> Midisport 4x4 Anniv is hw:1
> > etc, back and forth, each reboot...
> > I usually use qjackctl and have to keep changing the
> presets with
> > settings which is annoying.
> >
> > I would greatly appreciate it if someone could provide
> me some clues
> > or links on how to fix this?
> >
> > I'm Using Fedora 12 w CCRMA.
> >
> > thanks, Geoff
>
> The easiest solution might be, using my setup as example:
>
> aplay -l
> **** List of PLAYBACK Hardware Devices ****
> card 0: UA25 [UA-25], device 0: USB Audio [USB Audio]
>   Subdevices: 0/1
>   Subdevice #0: subdevice #0
> card 1: Intel [HDA Intel], device 0: ALC268 Analog [ALC268
> Analog]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
>
> So I use hw:UA25 in jack instead of hw:0
> Jack always uses this device if it can find it, it always
> just works.
> If you have multiple other devices you need hardwired you
> might need
> some other trickery, but I guess in your case it's a simple
> matter of
> figuring out the right name for the maudio interface.
> --

Instead of aplay -l, I would use the list of cards in the file /proc/asound/cards
The proper name to use is the one between squared brackets [ ]. The command 'aplay -l' has the reversed bracket "semantic".

J.

      
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Received on Sat May 8 04:15:03 2010