[ardour-dev] Multiple Soundcards?

Kjetil S. Matheussen k.s.matheussen at notam02.no
Thu Apr 12 06:53:26 PDT 2007

In the netjack package, there is a program called "alsa_client" or 
something similar. Lets say your card #1 is hw:0 and your card #2 is 
hw:1, then first start jackd connecting to hw:0, then run the alsa_client 
program connecting to hw:1.

If you have used qjackctl, you should now see ports for both your cards.

Card #2 will resample in software though, so its not the ultimate 
solution. But chances are that its impossible to hear any difference 
compared to syncing the cards by wire.

On Tue, 10 Apr 2007, Dan Tepper wrote:

> I looked into netjack - but I am still confused.
> I want to put 2 RME cards in the same machine and see all the inputs in
> Ardour/JACK. One card has 24 inputs, the other has 8 - I would like to
> see all 32 inputs. Is this possible?
> Kjetil S. Matheussen wrote:
>> On Tue, 10 Apr 2007, Dan Tepper wrote:
>>> Is it possible to use multiple soundcards simultaneously with
>>> JACK/Ardour? I have an RME HDSP 9652 which gives me 24 channels but I
>>> may need up to 32 for a project I am doing. I have an RME Digi96/PAD
>>> that has 8 inputs and can be synced to external WC - I was thinking
>>> about adding that for the additional inputs. Can this be done?
>>> -Dan Tepper
>> Yes, it can be done, and the question has been asked xx times before.
>> The short version of the answer is: Use the alsa client in the netjack
>> package. The even shorter (but more complete) answer is: Search the
>> archives.
>> Sorry for the harshness. ;-)
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