[LAU] USB2 Audio, PreSonus Audiobox 1818VSL -- was: Sound Devices USBPre2, UAC2 status

Joel Roth joelz at pobox.com
Wed Jan 30 03:44:08 UTC 2013

Len Ovens wrote:

> How do you keep inputs (or outputs) from being active? It seems to me,
> that if you can see the input in jack, that jack is streaming audio from
> it even if it is all zeros (or at least servicing the port at the same
> interval as any other port). So if you can see the adat and s/pdif inputs
> all the time, then jack is working just as hard as if you have 18 active
> inputs.


AFAIK, JACK doesn't take much CPU to service
its graph nodes.

You could probably have hundreds of them
and JACK wouldn't break a sweat.

Joel Roth

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