Forum Question: Problem with overlapping audio in iMovie 09

I have a finished project in iMovie 09 and it plays perfectly in the program, but when I export it I can hear two pieces of audio overlapping. One part is the audio that’s supposed to be playing and the other is audio from a section that’s supposed to come later. I’ve found people who had the same problem on different forums but no one seems to know how to fix this. Can you give any help? Thanks.

Comments: 11 Responses to “Problem with overlapping audio in iMovie 09”

    1/5/11 @ 5:04 pm

    I don’t know. I never came across this when using iMovie 9. Perhaps iMovie 11 fixed the bug?

    1/5/11 @ 8:09 pm

    Hmm, not sure. If I have iMovie 09 can I update to iMovie 11 for free? Also, if I do that, will it affect any videos I created with iMovie 09? Thanks.

    1/5/11 @ 8:23 pm

    Great. Thank you!

    9/18/11 @ 5:44 pm

    I have finished a project in iMovie 11 and it plays perfectly in the program, but when I export it I can hear two pieces of audio overlapping. One from the new track I put on and one from the clip I imported from youtube (a tv ad). How can I fix it?
    I detached the sound and minimized it to zero %.(I tried to delet it, but it didn`t work too). Then I insert a new track and finished the project, but the problem showed again. Can you give any help? Thanks. Flavia / Brazil

      9/18/11 @ 6:09 pm

      Sounds like something is wrong with the source video. I would go back to the original and convert it to some other format.

    9/19/11 @ 2:10 am

    Same problem here. iMovie 09.

    I spent the entire evening creating my film, only to find that one part’s audio was overlapped by audio that was supposed to come ten to fifteen minutes later in the project. When I went to see that part of the film, there was silence.

    Ridiculous and frustrating.

    9/19/11 @ 2:22 pm

    I am so angry over this. How much do we pay for this overpriced Mac crap? I’ve tried everything under the sun, and iMovie still overlaps sounds wherever it pleases.

    One dollar is too much for this piece of crap.

      9/19/11 @ 2:25 pm

      I’ve put together maybe 570 out of 600+ MacMost videos using iMovie and never ran into this problem. It must have something to do with the source video. Or maybe iMovie 09 compatibility with Lion (I’ve been using iMovie 11 since it came out). Maybe upgrading to iMovie 11 will fix it?

        Flavia Pinheiro
        9/19/11 @ 9:12 pm

        I’m using iMovie 11, and I converted the project in quicktime film and avi but the problem occurred in both formats.
        May I ask you: Have you made a film using a snippet of a TV Advert, detached the sound, put a new track, and after converting the project did the sound came perfect without overlapping?
        Best Rgds, Flávia

          9/19/11 @ 9:39 pm

          No, sorry, I haven’t. Copyright issues there.
          But I’m sure it has to do with the original source. Maybe consult with a video expert who can look at your files.

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