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Audio regions shift by an 8th note after recording?


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Hi everyone!


I'm running into an issue in Logic X; every time I record a live instrument, the region shifts to the right by an 8th note once I've stopped recording. I have to manually grab it and move it back into place. For example, if I record a note on beat one, it'll sound fine against the metronome while recording, but then after I stop, that note will occur on the "and" of one instead.


Not quite sure what's causing the problem, as it seems to have cropped up with no provocation; wasn't dealing with this issue until today. Any ideas?


Here's my info:

Logic X 10.1.1

OS X 10.10.2

Retina iMac

4 Ghz Intel core i7


3 TB Fusion HD with plenty of space

Presonus Firestudio Mobile



Any help would be appreciated! It's not like I can't work this way, but it's definitely aggravating. Thanks!

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I should clarify also: this only happens with audio regions, not with any software instruments. Also, my "drag" mode is set to X-fade and quantize is definitely "off" in the regions pulldown menu, in case those are factors. : )
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Are you using Software Monitoring (through Logic) or direct monitoring? If you use direct, switch to Software Monitoring and check if there's already a 1/8 latency there. If so, what you need to do is restart core audio: go to Logic Pro>Preferences>Audio>Devices>Core audio, untick and retick the "enabled" box, and dismiss the window. This will restart Core audio within Logic, and it will clear the latency - though it migh come back at any time, depending on your audiointerface and its' drivers, or absence of drivers.

So, speaking of that, please, as per forum rule nr. 5:

Click this link to your signature* and add your system information:

(*note: whoever clicks that link will get to their own signature)

• Logic version and sub-version (e.g. Logic 10.0.7)

• OS X version and sub-version (e.g. OS 10.9.5)

• Computer (e.g. MacBook, Mac Pro, iMac)

• Processor (e.g. 2.6 GHz Intel i5)

• Memory (e.g. 8 GB)

• Audio interface manufacturer and model (e.g. Presonus AudioBox USB)

* relevant external disks or secondairy internal disks

(most of that information can be found by choosing Logic Pro X > About Logic Pro X, and  > About This Mac)

Please also list whatever you own of those:

• MIDI controller(s), (hardware) synths, soundmodules, other MIDI-using hardware, external processing equipment, etc.

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Hey, Erik!


Thanks a lot; switched from direct to software monitoring and now there is no latency, so no need to reset the core audio for now. That said, I did it anyway just in case someone else stumbles on this same issue and reads this thread. Resetting the core audio as you described fixed the latency issue with direct monitoring as well. I'm gonna stick with software monitoring anyway, since there was no delay.


Thanks again to you and everyone else who regularly helps out on this forum; you guys are lifesavers!

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