[PlanetCCRMA] external soundcard future

Juan Reyes juanig at ccrma.Stanford.EDU
Fri Mar 6 13:55:17 PST 2015

Thanks a lot for the update, for your research, and for the info Nando!.

Hope we can encourage you and others go in this direction. Also crossing
fingers so that Apple's software solution to ethernet cards is Open Source.

Still remember when Linux USB audio was a complicated issue... :)

   -- Juan

> I currently have some AVB stuff I am starting to test, then goal
> being to be able to use jack with it. Not yet to the point of having
> gotten sound out of it (too many things to do), but I got it to be
> recognized by the OpenAVB software stack. But yes, that would seem
> to be the solution for future high channel count applications in
> Linux. A Motu 24 channel output box is $995 currently...
> AVB (the true hardware solution) requires ethernet cards that can to
> the right thing (Intel i210, I think) and not all machines have
> that. For a desktop that is easy, just buy and install one as I did,
> for laptops I don't know. I think there is software only
> implementation but have not looked at it yet (the latest Mac laptops
> can do AVB out of the box). AVB relies on being able to measure
> transport times of the ethernet frames so you need that support in
> the ethernet card, and if you go through a switch it also has to
> support AVB as well. Complicated...
> -- Fernando
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