<p dir="ltr">Dont want to stray too far off here, but if that were "asking for trouble" I'd have been out of business many years ago. The sync is fine, one clock becomes master.</p>
<p dir="ltr">I have been recording and playing back on separate devices for a long time... As long as various softwares/platforms have supported it, but I am talking back in the days of cramming 3 or 4 soundblasters into PCI slots. </p>
<p dir="ltr">I record generally 16 to 32 tracks, mostly overdubs. This year I did a 90 minute film score in two single Ardour sessions with literally thousands of takes and +/- 1 frame accuracy</p>
<p dir="ltr">In other words, it is a non-issue.<br><br><br><br><br></p>
<div class="gmail_quote">On Nov 18, 2013 7:13 AM, "Ralf Mardorf [via Linux Audio]" <<a href="/user/SendEmail.jtp?type=node&node=87948&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>> wrote:<br type="attribution">
<blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On Mon, 2013-11-18 at 14:53 +0800, michael noble wrote:
<div><div class='shrinkable-quote'><br>>
<br>> On Mon, Nov 18, 2013 at 12:58 AM, jmancine <<a href="http://user/SendEmail.jtp?type=node&node=87947&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>> wrote:
<br>> but you would probably find it
<br>> better to use a separate playback device for monitoring when
<br>> it comes to the
<br>> R16, and DAW recording in general.
<br>>
<br>>
<br>> That seems to contradict even my admittedly basic understanding of how
<br>> digital audio devices work. Mixing unsynced devices for simultaneous
<br>> I/O is asking for trouble. JACK has no inbuilt capacity for
<br>> synchronizing devices, so you will get clock drift and as far as I
<br>> know potential sample misalignment between what you are listening to
<br>> and what you are recording. Using a single device with the same clock
<br>> for both input and output is always preferable, followed by two
<br>> devices with some kind of hard sync if possible, followed by an
<br>> aggregate driver level (ALSA in Linux) device only if the other
<br>> options are unavailable. I've probably made a mess of explaining this,
<br>> but there are multiple articles on the web about the importance of
<br>> clock sync if you want to read up on it.
</div></div>Professional gear can be synced by hardware and devices that don't have
<br>a sync option can be synced by software. I don't remember the name, at
<br>least this seems to do the job using libsamplerate:
<br><a href="http://jackaudio.org/multiple_devices" rel="nofollow" link="external" target="_blank">http://jackaudio.org/multiple_devices</a><br><br>Wasn't there an app written by Fons too?
<br><br>Regards,
<br>Ralf
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