[Jessica Cox]

– System specs:

MacOS Sierra version 10.12.6
Model Name: Mac Pro
Model Identifier: MacPro6,1
Processor Name: 6-Core Intel Xeon E5
Processor Speed: 3.5 GHz
Number of Processors: 1
Total Number of Cores: 6
L2 Cache (per Core): 256 KB
L3 Cache: 12 MB
Memory: 32 GB

– What exactly are you hearing?
11776_audioglitch2017.mov.zip

– Does this happen in the timeline or only in the rendered/exported file?
Does not happen during playback in timeline, only in exports.

– Sequence settings
Timebase: 29.97, 1920 x 1080, square pixels, upper field first, drop frame, timecode, 48000 Hz,

– Export settings
1920 x 1080 (1.0) 29.97 fps, Upper, Quality 90, Apple Pro Res 422 (LT)
AAC, 48000 Hz, Stereo