Loud buzz only on export

Hello,
I had an issue a couple days ago with an export. After exporting a sequence to .mxf, I noticed during playback of the exported file, certain sections had a loud buzz sound that kind of mimicked digital feedback. It only happened during certain clips, 5 seconds here and there (usually the exact length of a clip). I tried exporting as a .mp4, h.264 and still had the same results. Then I tried exporting as a .mp3, that also gave me the same result. When I played it back on the timeline it played fine. I tried exporting using premiere and AME and got the same result. I ended up recording the footage over again and replacing the troubled clips on the timeline, this seemed to work. I exported a couple projects yesterday with no trouble. Then it raised its ugly head again tonight. I really can't figure out what's happening. I've done the usual restart everything, create a new sequence and start from scratch. Nothing is working. I'm working on an iMac 27" (the model before 5k), all the Adobe software is up to date. I ingest and rewrap footage using prelude / AME. Mixed footage, XDCAM HD 1080i60 (50), XDCAM EX 1080i60 (35) both .mxf, I also had a few h.264 MP4 files. Any help at all would be great. Thanks.

Hi,
Sorry you're experiencing this issue. Can you file a bug report on this (http://adobe.ly/ReportBug) so the team will know? I see something similar in our database that was fixed in 7.2, so it's important that you let us know your specific issue with info about your media and hardware.
In the mean time, sorry, but sending it to Audition might be the best workaround.
Thanks,
Kevin

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Loud buzz only on export

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