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Forum Discussion

criehl's avatar
criehl
New member | Level 2
7 years ago
Solved

Why is my video audio out of sync for video files uploaded to Dropbox?

I have .mov file I created in which the audio sync is correct on my computer (Mac). But when I upload the .mov file to my DropBox account, the audio is out of sync in the copy on DropBox. How do I ...
Mac
sync
  • criehl's avatar
    criehl
    7 years ago

    I figured it out.  The file on DropBox is fine: when I DOWNLOAD it, there are no sync issues. So it looks as though the problem is opening it from DropBox. The playback Codecs playing from the Web site mess up the sync. But as long as the file is fine, my co-collaborators will be able to download it.

     

    Thanks for taking the time to reply.

tedddybass's avatar
tedddybass
Explorer | Level 4
6 years ago

Thanks for looking into this. Here is an example. [removed by Moderators for security purposes]


It occurs with just about every HD video. I assume it's something to do with the compression creating a noticeable difference in the audio and video

Walter's avatar
Walter
Icon for Dropbox Community Moderator rankDropbox Community Moderator
6 years ago

Thanks for the sample shared link tedddybass!

I think I know where you got your nickname in our Community now - great fishing skills (if that was you in the video after all) by the way! 

Also, I think you're onto something here as you mentioned that it happens with HD videos in general and only upon previewing those files on our website.

At this point, we'll need to investigate further with all of our tools at our disposal so please let me know if you'd like me to reach out via the email address you've connected to your Community's profile.

Thanks a bunch! 

  • tedddybass's avatar
    tedddybass
    Explorer | Level 4
    6 years ago
    Ha! Thanks Walter! That would be great. Happy to help in anyway I can!
  • Walter's avatar
    Walter
    Icon for Dropbox Community Moderator rankDropbox Community Moderator
    6 years ago

    Thanks for helping look into this tedddybass!

    I just sent you a brief message so please take a look at your email's inbox and we'll take it from there. 

    Talk soon :envelope:

     

    PS: By the way, I'm removing the shared link to the video in question from your post to prevent bandwidth issues. Thanks for sharing in any case though :grinning:

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