2060) I am getting audio glitching in random places which includes phasing, noise spikes and missing syllables. When I export the file as the highest quality 1920x1080 video in MP4 format on the PC version of PowerPoint 2016 (Office 365. These are being used to narrate a fairly complex presentation with lots of storyboard sequencing (animation).
I have a presentation which contains professionally recorded narrations from a studio (very high quality).