[LAU] re Zoom R16

Ralf Mardorf ralf.mardorf at alice-dsl.net
Mon Nov 18 12:12:19 UTC 2013


On Mon, 2013-11-18 at 14:53 +0800, michael noble wrote:
> 
> On Mon, Nov 18, 2013 at 12:58 AM, jmancine <jason at mancine.net> wrote:
>         but you would probably find it
>         better to use a separate playback device for monitoring when
>         it comes to the
>         R16, and DAW recording in general.
> 
> 
> That seems to contradict even my admittedly basic understanding of how
> digital audio devices work. Mixing unsynced devices for simultaneous
> I/O is asking for trouble. JACK has no inbuilt capacity for
> synchronizing devices, so you will get clock drift and as far as I
> know potential sample misalignment between what you are listening to
> and what you are recording. Using a single device with the same clock
> for both input and output is always preferable, followed by two
> devices with some kind of hard sync if possible, followed by an
> aggregate driver level (ALSA in Linux) device only if the other
> options are unavailable. I've probably made a mess of explaining this,
> but there are multiple articles on the web about the importance of
> clock sync if you want to read up on it.

Professional gear can be synced by hardware and devices that don't have
a sync option can be synced by software. I don't remember the name, at
least this seems to do the job using libsamplerate:
http://jackaudio.org/multiple_devices

Wasn't there an app written by Fons too?

Regards,
Ralf




More information about the Linux-audio-user mailing list