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uploaded video files stream with audio out of sync

Explorer | Level 4

.mov files that i edit audio for using Logic X playback out of sync once uploaded to dropbox.  If I redownload the files, they are again in sync.  This is true in firefox and safari browsers.

In researching this issue I see that dropbox mentions the video streaming is only meant to be a 'preview', but this is not really an acceptable answer.  This issue doesn't happen in youtube or vimeo, and dropbox heavily touts the ability to create links to video files, which most people expect to be able to send to a collaborater who will see a faithful stream of the original audio.

Is there a fix in the works for this? 

Many thanks for any info!

6 Replies 6
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Re: uploaded video files stream with audio out of sync

Dropboxer
Dropboxer

Hi @eprparadox , thanks for posting today!

Regarding your query, I don’t have any information on any fix, since we’ve not received any reports of this matter.

Is it only occurring on this file, or do your other videos get affected as well? What codec are you using for the video?

Keep me posted!


Jay
Community Moderator @ Dropbox
https://dropbox.com/support


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Re: uploaded video files stream with audio out of sync

Explorer | Level 4

Hi Jay,

This happens for any .mov file I upload after editing the audio in logic X.  The Codecs are: H.264, AAC, Linear PCM.  This issue is definitely reported many times in the community forums.  Movies with edited audio have problems with sync in the dropbox player:

https://www.dropboxforum.com/t5/Files-folders/Out-of-sync-Quicktime-when-streaming-from-Dropbox/td-p...

https://www.dropboxforum.com/t5/Files-folders/The-sound-on-my-video-doesn-t-sync-correctly/td-p/3455...

https://www.dropboxforum.com/t5/Files-folders/Problem-with-Videos-sound-not-syncing-to-images-when-u...

Note: none of the 'solutions' involve ways to fix playback in the dropbox player.  And one specifically mentions that dropbox considers the player to only be a tool for 'previewing'.  Requiring the collaborater to download the files is not a good solution, as videos files are very large and I would like the collaborater to preview an -accuruate- representation of the work in progress.

Many thanks for any info

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Re: uploaded video files stream with audio out of sync

Dropboxer
Dropboxer

Thanks for the info. Would it be possible to reach out to your email to look into this matter in more detail? Thanks!


Jay
Community Moderator @ Dropbox
https://dropbox.com/support


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Re: uploaded video files stream with audio out of sync

Explorer | Level 4

Sure, is there a way to provide my email non-publically?

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Re: uploaded video files stream with audio out of sync

Dropboxer
Dropboxer

Hi @eprparadox, sorry for the delay in responding. Your forum profile should be associated to your Dropbox account. I can email you there if you wish.


Jay
Community Moderator @ Dropbox
https://dropbox.com/support


Heart Did this post help you? If so, please give it a Like below.
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Re: uploaded video files stream with audio out of sync

New member | Level 2
New member | Level 2

I'm also having the same problem here. The video file I uploaded to dropbox, the audio is completely out of sync (it streams later than video) I want to follow up here if you found any solution to this?

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