On Sun, Mar 27, 2011 at 3:21 PM, Peder Hedlund <peder@musikhuset.org> wrote:
> Quoting Dominic Sacré <dominic.sacre@gmx.de>:
>
>> More importantly, you can only use two sound cards with JACK at the
>> same time if their sample clocks are synchronized.
>
> Are you sure this applies to using different cards for recording and
> playback?
> I assumed it mostly mattered when trying to record from multiple cards (not
> that I have ever tried any of the scenarios :) .
Same thing... All JACK does is basically move audio samples between
sound cards and applications. What that means is that every device
involved must produce/consume samples at the same rate.
The only way to overcome this is resampling, but for good reasons JACK
won't do that unless you ask for it (by using alsa_in or alsa_out).
Dominic
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Received on Sun Mar 27 20:15:01 2011
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