Audio glitches when exporting as a video

Occasional Contributor

Hi,

 

We're having an issue when exporting narrated PowerPoint decks to video. There are some popping noises and small glitches, sometimes happening with animations, sometimes happening randomly. We've tried modifying the animations to see if it had any incidence, but no luck. Also tried compressing the audio (it made things worse), exporting from a different machine, only exporting bits of the presentation, but the issue still persists.

 

Any idea on what might cause this? 
Thanks!

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