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Audio and Video Out of Sync  -AV sync problem

8435 Views 23 Replies Latest reply: Aug 14, 2011 4:45 PM by cassadym RSS
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SuRGe4Glory Calculating status...
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Oct 27, 2010 9:29 PM
Edited a bunch of clips together from Canon T1i 720p, iPhone 3GS, Canon SX110, and Sony DSC-W70. About an hour long. Everything looks great when played within iMovie '11, but when exported, the audio and video get out of sync. It gets progressively worse the farther along you are in the sequence. AV is as much as 6 seconds off by the end!! Audio is ahead of the video. I've tried exporting in several different ways including: Export to iDVD, Export to Media Browser 720p, with the same results.

Anyone else having this problem? I know I've done this with success in the past with iMovie '09.
iMac 24", Mac OS X (10.6.4)
  • Kageyami11 Calculating status...
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    Oct 28, 2010 3:47 PM (in response to SuRGe4Glory)
    I am having that same exact problem. Usually, with the old iMovie, I would just have to export in the highest quality which was just HD. Now, even in the highest quality, I would have my audio out of whack. Please let me know what to do! I have video blogs to put out and edit... I really wish Apple would get their stuff together because apparently, this has been a major issue in 09' as well...
    Macbook Pro 15", Mac OS X (10.6.4), Highest Model
  • Daniel Slagle Level 7 Level 7 (22,415 points)
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    Oct 28, 2010 5:22 PM (in response to SuRGe4Glory)
    Have you tried: File -> Finalize Project?


    -- Dan
    Keeper of TheUnofficialiMovieFAQ.com
    3.33 Ghz 6 way, Mac OS X (10.6.4), 6GB RAM
  • Mtn Ed Calculating status...
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    Oct 29, 2010 5:45 AM (in response to Daniel Slagle)
    Thanks for the guidance and I am trying your suggestion now for a 32 minute movie. It indicates it will take 30 hours to create the 1080p movie. In addition to out of sync, some audio went missing and some audio was 5-8 minutes out of sync. Using iMovie '11 and iDVD '09.
    20" iMac Intel Core Duo, Mac OS X (10.6.4)
  • Daniel Slagle Level 7 Level 7 (22,415 points)
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    Oct 29, 2010 6:57 AM (in response to Mtn Ed)
    Umm.... may want to try and copy and paste everything to a new project if that does not work. Good luck
    3.33 Ghz 6 way, Mac OS X (10.6.4), 6GB RAM
  • SteveTEXAS Calculating status...
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    Oct 29, 2010 11:35 PM (in response to SuRGe4Glory)
    I'm having the same issue. Using footage from a handheld Creative Vado. Video is about 17 minutes long. First Exported to Itunes and the audio was progressively out of sync. Ended up being about 10 seconds off by the end of the video. Then tried exporting to Apple TV through Export Using Quicktime menu. Same Result. I never had this issue with iMovie 09
    iMAC, Mac OS X (10.6.4)
  • Mtn Ed Level 1 Level 1 (0 points)
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    Oct 30, 2010 7:18 AM (in response to Mtn Ed)
    Problem still not resolved. Am trying to export to Quicktime. It's 33 minutes of video and stills so taking about 5 hours this time. Very frustrating experience.
    20" iMac Intel Core Duo, Mac OS X (10.6.4), iMovie '11 and iDVD
  • Mtn Ed Level 1 Level 1 (0 points)
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    Oct 31, 2010 7:54 AM (in response to SuRGe4Glory)
    I have a 36 minute iMovie and when rendered to iDVD, the audio is quite out of sync, some audio shows up where not expected and there are silent portions where there should be sound. From the iMovie, I created 5 new projects, and cut and pasted 5 - 8 minutes of the original AV into each. Then redid the music clips and the headings. I shared each segment with iTunes and all are in sync. I shared each as a large movie with Media Browser. I opened iDVD and dragged all five from the media list into the project. I burned a DVD and all five segments are in sync. I am now sharing all five with MobileMe and will know later today but expect they will be in sync as well. I still don't understand why this has to be so difficult and am pi$$ed off that Apple has failed to fix what appears to be a long standing issue.
    20" iMac Intel Core Duo, Mac OS X (10.6.4), iMovie '11 and iDVD
  • Hugo A Calculating status...
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    Nov 3, 2010 4:09 AM (in response to SuRGe4Glory)
    Im having the same issue I have a project that is 9 minutes long tried all before even looking at the forum but It will not sync. Some one even told me to repair the permissions so nothing worked. I went to the Mac store no body knew what I was talking about so they asked me to call Apple so I did and was hung up on 3 times not only that but I was advised since I just bought the product I did have 3 months of tech support.

    I mean I'm having an issue and they tell me I have 90 days of free service? This has got to be a joke. I than asked well can I just take it back and instal my 09 back? I was advised nope you wont be able to do so and you cant get your money back.

    After this whole mishap I did learned that the less snips and clips and editing is on the project the sync and video will be ok but if you have lots clips such as most of us than we will continue on having this issue.

    We need a fix ASAP
    mac book pro, Mac OS X (10.6.4)
  • Jane Dee Calculating status...
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    Nov 3, 2010 7:34 AM (in response to SuRGe4Glory)
    Yes!! EXACT Same problem...driving me ditzo...losing sleep. I get up and try to resave it; and half way through it loses the syncing between the video and sound...ugh!
    McBookPro and PowerBookG4
  • Jane Dee Level 1 Level 1 (0 points)
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    Nov 3, 2010 7:36 AM (in response to Jane Dee)
    ...and I copied and pasted a new "project" 3 times...got worse...help!!
    McBookPro and PowerBookG4
  • Mtn Ed Level 1 Level 1 (0 points)
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    Nov 3, 2010 7:55 AM (in response to SuRGe4Glory)
    After my cutting, pasting, and reducing the 36 minute iMovie (combo of video, photos, music tracks, etc) to five shorter iMovies...they all rendered in sync on iDVD, MobileMe, iTunes, and iPhone 3GS. It seems like there is no consistent way to remedy this and is frustrating as heck to have to waste time with workarounds that seem to be OK for some folks and not others. YUCK!
    20" iMac Intel Core Duo, Mac OS X (10.6.4), iMovie '11
  • MacMiniFreak Calculating status...
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    Nov 3, 2010 4:54 PM (in response to Mtn Ed)
    Same problem!

    3 days trying to fix it, nothing helps.

    NEEDED THE VIDEO FOR SCHOOL FOR TODAY AND STILL DON´T KNOW WHAT TO DO!!

    I THINK NEXT TIME I´LL USE MOVIEMAKER, IT´S UGLY BUT AT LEAST IT WORKS!! IM SORRY APPLE BUT MICROSOFTS MOVIEMAKER IS ACTUALLY MORE USEFUL THAN IMOVIE WITH SOUND OUT OF SYNC!!!!
    Mac Mini 2.0Ghz, GMA950, Mac OS X (10.6.4), iMovie 11
  • MacMiniFreak Level 1 Level 1 (0 points)
    ok, problem solved with workaround.


    you´ve gotta right click on every single clip and select "separate audio" (i dont know if exactly this says the option, because i´ve got the german version, where it says "audio trennen").

    Then, after that, finalize the project and then export to iTunes.

    Good Luck for all the people having the same problem!
    Mac Mini 2.0Ghz, GMA950, Mac OS X (10.6.4)
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