[LAU] Multiple sound cards

[Max]

Oh, Only read now about alsa_in and alsa_out. TIL!
Anyone knows how they compare to zita-j2a and zita a2j?

On 10.06.21 11:47, Max wrote:
> An (easier) alternative is to use zita-j2a (zita-a2j for input), I'm 
> surprised that's not even mentioned on that page. It takes care of the 
> resampling when clocks drift.
> 
> 
> On 10.06.21 11:35, Alf Haakon Pietruszka Lund wrote:
>> Hello list!
>>
>> I am on (K)Ubuntu Studio 20.04) and needed a couple of extra in- and 
>> outputs, so I connected 2 USB audio interfaces to my computer (a 
>> FocusRite Scarlett 2i4 and an Edirol UA-25ex - they're old, but 
>> reliable devices).
>>
>> Through Studio Controls I set the Scarlett as master device and 
>> started Jack, then I experienced recording and playback with Ardour in 
>> (as far as I can hear) perfect sync.
>>
>> I was amazed at the ease of this setup and the problem-free routing of 
>> audio signals, so just for testing I split a stereo source recording 
>> one channel on each device to one stereo track in Ardour. To my ears, 
>> the sync is still perfect.
>>
>> However, from this article 
>> https://jackaudio.org/faq/multiple_devices.html it seems I have to 
>> expect sync problems over time unless I do some manual configuring 
>> using the alsa_in and alsa_out clients.
>>
>> Is this still valid?
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