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

[Kees van Veen]

-------- Original Message --------
Subject: Re: [LAU] USB2 Audio, PreSonus Audiobox 1818VSL -- was: Sound 
Devices USBPre2, UAC2 status
From: Len Ovens <len at ovenwerks.net>
To: Kees van Veen <kees.vanveen at gmail.com>
CC: "LAU" <linux-audio-user at lists.linuxaudio.org>
Date: Tue Jan 29 2013 22:15:43 GMT+0100 (CET)
>> I've only used the 8 analog inputs together with Mixbus on ubuntu 12.04
>> >lowlatency kernel. I could get to 128/3 (48k) in qjackctl and one time
>> >64/3 without xruns, but I think that was the ppa rt kernel, can't
>> >remember. I've only used the Presonus with all 8 inputs active once,
>> >normally I have 2 to 4 active.
> 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.
Sorry, I meant indeed connected or plugged instead of 'active'.