[LAU] How to make Jack remember soundcards, not alsa-slots

ailo ailo.at at gmail.com
Tue Dec 14 18:47:04 UTC 2010


On 12/14/2010 06:45 PM, Florian Faber wrote:
> On 12/14/10 18:23, torbenh wrote:
>
>>> I can guarantee that you'd need to sync them with SPDIF under Windows as
>>> well as Linux, or you'll get clock drift between the cards.

True. I just looked through the manual for the delta 1010, and it 
clearly says one needs to connect the cards with spdif to sync them when 
using more than one delta card.
Next time I'll read the manual first...

>> alsa_out tools are build to compensate the clock drift.
>
> If you use SRC you pretty much violate AES specs as you lose bit
> transparency. SRC is not a solution, it is a last resort.
>
> In a well controlled situation like this, sound cards should be synced
> in hardware. All professional sound cards support this (some can even
> sync their buffers). It really isn't rocket science.
>
>
> Flo

-- 
ailo


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