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Audio waveform is solid purple bar

1854 Views 24 Replies Latest reply: Jun 1, 2007 2:45 PM by Matti Haveri RSS
  • Karl Petersen Level 6 Level 6 (15,170 points)
    Currently Being Moderated
    May 27, 2007 7:05 AM (in response to Judy13)
    And the real question, is why is this
    happening? Some movies are fine and some aren't. It
    might be happening when I'm doing a "save as" ...


    I think you've got it!

    Here, the Save As routine fails to copy the files in the Audio Waveforms folder to the new project. When the new project opens iMovie re-creates one of the waveform files but not the other. Without both files, the waveform is displayed as a thick, purple line.

    One "fix" is to close the new project — let's call it Project B — then move a copy of the Audio Waveforms folder from Project A to Project B, replacing the Audio Waveforms folder of Project B. (Option-drag the Audio Waveforms folder from Project A to Project B, which copies it.) Then open Project B.

    That seems to work here. Does it for you?

    It's strange this problem hasn't been reported before (at least that I recall). If anyone has seen it, please say.

    It would be good to report this bug to Apply, Judy. Go here for iMovie feedback:
    http://www.apple.com/feedback/imovie.html

    Karl
    Dual 1 GHz G4, Mac OS X (10.4.8), Sony TRV 900, HDTV, Cinema Display
  • Beverly Maneatis Level 5 Level 5 (7,155 points)
    Currently Being Moderated
    May 27, 2007 3:49 PM (in response to Judy13)
    when I was at the Apple Store (Palo Alto) for the iMovie class (a bit after the fact, but better late than never), no one there seemed to have a quick answer. I didn't have time to hang around after, nor go to the Genius bar.


    Wouldn't have mattered.....no one there will know more than Karl!
    I go the the PA store all the time; Genius bar folks are pretty knowledgeable and helpful, but Karl ALWAYS knows or researches until he comes up with an answer, and they don't!
    In fact, some of them were totally unaware of problems with iLife apps that had been reported here many times, and a 'Genius' told me that he did not read the Discussions, that there were no problems with iLife and that if there were, Apple would not have released iLife! Talk about naive~

    Stick with us here...!
    iMac FP 1GHz 80GB 1.25RAM, ext drives: Maxtor, Lacie, Mac OS X (10.4.9), iPhoto6.0.6, iTunes7.1.1, iMovie6.0.3, iDVD6.0.3
  • Karsten Schlüter Level 7 Level 7 (29,450 points)
    Currently Being Moderated
    May 27, 2007 10:16 PM (in response to Beverly Maneatis)
    .. and a 'Genius' told me that he did not read the Discussions, that there were no problems with iLife and that if there were, Apple would not have released iLife! Talk about naive~..

    people fail, but the person, who hired that 'genius' made a huge mistake!

    there should be some feedback at apple.com, reg. employees ...
    Cube/1GB/QT6pro/iLife5+MacMini CD/1.66/1.25GB/QT7/iLife6, Mac OS X (10.3.9), k.schluter@mac.com
  • Rory Level 1 Level 1 (25 points)
    Currently Being Moderated
    May 28, 2007 2:09 PM (in response to Karl Petersen)
    YEah,

    I have the same prob - yet in my instance I was simply only working on getting the sound tracks in the timeline. then just a few pics to get timing right. Suddenly, the wave form just changed into a solid purple line - and as I am timing pictures and video with the song - I NEED the wave form.

    I did not do a 'save as' to copy it over - I just was working in one project.

    This happened previously in another movie I was doing - and asked questions on it here (about a year ago) and no, there was no resolution.

    I don't recall doing anything 'weird' that would cause this issue to occur, just general editing of the movie.
    Powermac G5 - 2.0GHz, Mac OS X (10.4.9)
  • Karl Petersen Level 6 Level 6 (15,170 points)
    Currently Being Moderated
    May 28, 2007 8:34 PM (in response to Rory)
    We probably won't be able to discover what caused the problem for your project, Rory, but at least we now know that doing a Save As will cause the problem.

    I believe there's a second workaround that will work, even when the problem occurs "out of the blue" as it did for you. (The first workaround was to copy the Audio Waveforms folder from the original project to the "Saved-As" project.)

    But first, I need to mention I was wrong when I said earlier the problem was caused by iMovie failing to copy the ".snp" file from the original project to the Audio Waveforms of the new project. True, it fails to copy the file, but that's not causing this problem.

    Rather, the ".wfm" file created for the Saved-As project is far smaller than the original project, about a tenth its size. So I suspect the waveform file itself is flawed.

    Here's the workaround: Copy the flawed audio clips in the project, create a new (temporary) project, Paste them into the new project, then Save. Close the flawed project, then drag the Audio Waveforms folder from the temporary project into the flawed project. When the project re-opens, the waveforms should appear normal.

    I haven't tested this extensively so I suggest using it only on a (Finder-created) duplicate of the project, not the only copy you have.

    Karl
    Dual 1 GHz G4, Mac OS X (10.4.8), Sony TRV 900, HDTV, Cinema Display
  • Rory Level 1 Level 1 (25 points)
    Currently Being Moderated
    May 29, 2007 5:17 PM (in response to Karl Petersen)
    Karl,

    thanks for your thoughts, and I'll play with your process to see how it works.

    For now since I am simply starting the project, and have only put down the audio tracks, I simply duplicated the movie project, and re-imported the audio (and removed the previous audio).

    things appear to be OK at this point.

    thx
    rory
    Powermac G5 - 2.0GHz, Mac OS X (10.4.9)
  • Matti Haveri Level 6 Level 6 (8,840 points)
    Currently Being Moderated
    Jun 1, 2007 2:45 PM (in response to Karl Petersen)
    the Save As routine fails to copy the files in the Audio Waveforms folder to the new project


    I failed to reproduce the bug with my setup (Mac OS X 10.3.9, iMovie HD 6.0.3, QT 7.1.6, a simple PAL iMovie project with a few 2 second clips):

    Doing a Save as... produced a project with intact audio waveforms.

    ...but I always use the Finder to duplicate a project anyway.
    PowerBook G4 1.25GHz 15 FW800, Mac OS X (10.3.9)
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