[PD] selecting an alsa soundcard at startup

michael noble looplog at gmail.com
Sun Sep 4 13:42:38 CEST 2011


You may want to consider using jack, which will allow you to use the device
names rather than IDs so long as you do not have multiple devices of the
same type.

To get the names of the devices use cat /proc/asound/cards from the
terminal. This will list all sound devices. In my case on this machine that
command returns:

 0 [SB             ]: HDA-Intel - HDA ATI SB
>                       HDA ATI SB at 0xfccf4000 irq 16
>  1 [R15            ]: RME9652 - RME Digi9652 (Rev 1.5)
>                       RME Digi9652 (Rev 1.5) at 0xfd000000, irq 20
To address the RME card, I can use the alsa device hw:R15 in my jack

Otherwise, you could probably achieve the same with a custom alsa device
specifying the hardware in ~/.asoundrc to overide the default also device,
but don't me ask me how...


On Sun, Sep 4, 2011 at 5:33 AM, tim vets <timvets at gmail.com> wrote:
> How do I have pd select the correct sound card, regardless of what device
> numbering it gets from alsa?
> The problem is now that for some reason, the device listing of my sound
> cards and midi devices keeps changing quite often.
> After a reboot, it is often the case that pd tries to connect to the wrong
> alsa device, and I have to select it manually again.
> Anyone know a good trick to cope with this?
> Thanks
> Tim
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