[Ardour-Users] how do I set up two USB soundcards?

Kim Cascone kim at anechoicmedia.com
Sun Jul 8 14:52:28 PDT 2012

On 07/08/2012 02:00 PM, Paul Davis wrote:
> On Sun, Jul 8, 2012 at 4:04 PM, Kim Cascone <kim at anechoicmedia.com 
> <mailto:kim at anechoicmedia.com>> wrote:
>     I posted a couple of weeks ago looking for a four channel USB
>     sound card that worked on Linux
>     but then it occurred to me that I could possibly use two stereo
>     USB cards to construct a single four channel output
> see the jack faq entry on using multiple devices then return with more 
> specific questions ...
so I chose to edit of ~/.asoundrc file
I cut and pasted the pcm.merge code
(this is exactly what I needed, i.e. 2 stereo cards = 4 output channels)
as well as the ctl.merge code
into my .asoundrc doc

I opened Setup in Jack
but not sure which to point to, hw:0 or hw:1?

either way I'm still only seeing 2 channels for System output


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