Hello,
Unless the two soundcards display exactly the same way, and use the same
chipset, etc., you can easily select the correct soundcard when starting
JACK using their Alsa name.
Simply issue a : cat /proc/asound/cards
0 [R15 ]: RME9652 - RME Digi9652 (Rev 1.5)
RME Digi9652 (Rev 1.5) at 0xf6000000, irq 19
1 [M66 ]: ICE1712 - M Audio Delta 66
M Audio Delta 66 at 0xd040, irq 17
In my case, if I want my JACK server to use the first one displayed
here, whatever their detection order is at boot time, I will issue
something like this :
jackd -dalsa -dhw:R15 <other options>
Hope it helps.
Hoggins!
Le 04/06/2014 11:10, Wayne Merricks a écrit :
> You need to tell JACK what sound card to use. Its normally set to
> hw:0 but it looks like you want hw:1. Word of warning, depending on
> which sound card is detected first you might find hw 0 and 1 swap
> cards on reboot. You can set up some udev rules to prioritise certain
> drivers over others to force hw:0 to always be a particular card.
>
> As for riv, can you use sudo rdalsaconfig and specify the card you
> want that way?
>
> You'll probably have to add every card in rdalsaconfig and then
> specify card 1 instead of 0 (which will probably always be JACK) in
> rdadmin.
>
> Regards,
>
> Wayne
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