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Export Problems: fine playback on Win, audio/video sync issues on Macs

New Here ,
Aug 28, 2020

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Hi all,

fairly new to Premiere and video editing in general, but I've produced a few videos of virtual band performances during lockdown with minimal problems.

Having just completed the latest one a weird issue has surfaced - the exported file plays fine on my ( windows ) laptop, and when uploaded to Facebook it streams to my laptop with no playback issues.

But on mobile devices, and seemingly on Apple computers, there are significant video / audio sync issues, on playback, both when streaming or playing the original file. 
I've sent the file to a number of people to confirm - on a windows system they all got perfect playback, on Apple systems or mobile devices the sync was messed up, whether streaming or playing from the drive.

It's a fairly simple edit using only cuts and fades, and all the video has been handbraked to a constant 30fps before editing.

Tearing my hair out looking for a solution, so any help would be greatly appreciated!

 

[Moderator note: title edited for clarity.]

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Editing, Error or problem, Export, Formats

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Export Problems: fine playback on Win, audio/video sync issues on Macs

New Here ,
Aug 28, 2020

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Hi all,

fairly new to Premiere and video editing in general, but I've produced a few videos of virtual band performances during lockdown with minimal problems.

Having just completed the latest one a weird issue has surfaced - the exported file plays fine on my ( windows ) laptop, and when uploaded to Facebook it streams to my laptop with no playback issues.

But on mobile devices, and seemingly on Apple computers, there are significant video / audio sync issues, on playback, both when streaming or playing the original file. 
I've sent the file to a number of people to confirm - on a windows system they all got perfect playback, on Apple systems or mobile devices the sync was messed up, whether streaming or playing from the drive.

It's a fairly simple edit using only cuts and fades, and all the video has been handbraked to a constant 30fps before editing.

Tearing my hair out looking for a solution, so any help would be greatly appreciated!

 

[Moderator note: title edited for clarity.]

Topics

Editing, Error or problem, Export, Formats

Views

65

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Aug 28, 2020 0
Adobe Employee ,
Aug 28, 2020

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Hi steveh76362497,

 

Sorry to hear about this. Please let us know the media type used in the timeline (format/codec, frame rate & frame size). Also, what were your export settings? Let us know, we're here to help.

 

Thanks,

Sumeet

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Aug 28, 2020 0
New Here ,
Sep 01, 2020

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Hi and thanks for responding. Not at my computer right now but all the media used came from iPhone footage and was put through handbrake to get a constant frame rate of 30fps.

It was exported using the Facebook HD 1080p preset in the export options, which has worked fine for all the other projects I've done recently.

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Sep 01, 2020 0