Premiere Pro - Screeching Audio In Timeline

Contributor ,
Feb 10, 2022 Feb 10, 2022

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Video of the exact problem Attached.

 

My first time dealing with this issue since 2013. Maddening. Began randomly happening today on a project that has been working fine. Intermittent. Can’t be predicted. The only constant is that when it does happen, it happens every OTHER time I scrub the timeline or click play. 

 

Fixes that don’t work:

 

- cleaned cache.

- changed audio output.

- updated Premiere to newest version.

- imported project into a fresh, new project.

- copied/pasted data in to fresh sequences.

- restarted computer. 

 

Premiere 22.2.0

iMac Pro 2017

Mac OS Monterey 12.0.1

TOPICS
Audio , Editing , Error or problem , Performance

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Adobe Employee ,
Feb 10, 2022 Feb 10, 2022

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That's worrisome, Jesse. What kind of footage is this? iMac Pro with its Xeon CPUs on Monterey seems to have some bugs, perhaps this is one more. I hope not. I will look into this as the problem right now.

 

Thanks,
Kevin

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Contributor ,
Feb 11, 2022 Feb 11, 2022

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Thank you Kevin.

 

I tried copying all the project data over to my trusty work raid last night to see if it was a hardware issue. But no luck. The buzzing has begun again. This problem is killing me. I have very heavy deadlines for the show I'm editing, and this has me against the wall.

 

jesse

 

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Contributor ,
Feb 11, 2022 Feb 11, 2022

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The footage is from a Sony FX9, Sony A7siii, a DJI drone, and several gopros. Multicam sequences. I have edited content for this client before with zero issues. All cameras were the same.

 

All sony footage has proxies (high quality quicktime proxy), and all gopros & drone has proxies (Cineform high res). All created using premiere. My standard workflow.

 

I've never had this issue come up with my iMac Pro in over 3 years. My OS update was a month or two ago. I'm constantly working on projects with no buzzing issues like this.

 

Config attached. 

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Adobe Employee ,
Feb 11, 2022 Feb 11, 2022

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Hi Jesse,

Sorry about this one. Do you have any external hardware or outboard audio gear attached to the iMac? If nothing unusual is attached, I would then look to possibly roll back the OS. I hate to advise things like that, but in this case, I think it may be worth the trouble to see if it's not related to the OS. No one else is reporting this issue at this time. 

 

Thanks,
Kevin

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Contributor ,
Feb 11, 2022 Feb 11, 2022

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I think I found the source of the problem Kevin. I'm very slammed, so I'll confirm when I come up for air in a couple of weeks.

 

Many of the primary lav mic audio is made up of stereo WAV files that have one channel very low and one channel very high. Standard practice for in field recording. However, when I modify the audio channels and pick one, the buzzing problem ceases to happen. 

 

Again, I'm not 100% on this yet, but I just edited buzz-fee for two hours after applying thiw workaround. If this does prove to be the fix, I'll be sure to send you a sample file so your team can try to replicate the issue on their end. Could prove to be a very helpful bug fix in the next version of Premeire Pro. 

 

thanks. 

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Contributor ,
Feb 12, 2022 Feb 12, 2022

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LATEST

Update: 

 

Screeching started happening again, even after the above fix.

 

The only surefire fix I have so far that completely eliminates the issue is to export each individual audio file out of premiere pro (in my case, 48 Khz AIFFs), import into the project, and use these instead of the problem files. 

 

I still plan to eventually send you a file to diagnose Kevin. Would be amazing to never deal with this again! 

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