PT Logic

Logic Pro Problem with audio playback

A

aergiluh

Logician
I've encountered a frustrating problem. I've recently recorded vocals for a song. At first, the audio played back perfectly in time, but after a few hours, the audio started to play out of sync. It plays very slightly ahead of where it should be playing.
To troubleshoot, I have removed all plugins on the track, and put them back on. I have created a new track and copied the recording, but the problem comes back. I have set my recording delay to 0 samples. I'm very lost on where the source of the problem is; does anyone have ideas?
To fix it, I can just drag the audio a little behind so that is plays where I want it to, but it occasionally switches back to playing back in sync, so I can't reliably keep it in one place and have it play correctly. Thanks for your help.


Computer: Macbook Pro, 3.1 GHz i7, 16GB RAM
Mac OS High Sierra 10.13.6
 
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Maybe you shift the region occasionally by pressing arrow-right or left on the computer keyboard while the region is selected? Or you have a MIDI event assigned to a nudge action which shifts the region while it is selected. You may check your key commands (by default alt-K). Search for the word nudge.
 
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Peter Ostry said:
Maybe you shift the region occasionally by pressing arrow-right or left on the computer keyboard while the region is selected? Or you have a MIDI event assigned to a nudge action which shifts the region while it is selected. You may check your key commands (by default alt-K). Search for the word nudge.
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Thanks for your reply. I don't suspect this is the case because once the audio is out of sync, I will attempt to splice it and line it up exactly on the lines, only to hear them come before the metronome click. Plugins that dip on the beat also dip later than they should, accordingly what I see.
 
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