Presenter '13 Audio Editor is not in-sync with Audio

I'm working on a project in Presenter '13 where I have recorded narration on each slide in PowerPoint. Up until today, everything was working fine but now when I open the audio editor, the audio waveforms are not in sync with the audio I'm hearing. As it stands, I cannot perform any audio editing without cutting something off as they are out of sync. Outside of the audio editor, when previewing a slide, the audio is in sync with the animations, etc.

I've attempted shutting down and opening the project again and restarting my computer with no success on this bug. Has anyone ever had this problem and/or know of a fix for this?

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