iMovie 3.0.3 Audio sync issues

[Chips Otoole]

Hello all,

I have a 53 minute project in iMovie wherein the audio and video quickly 
become out of sync, but the individual clips play just fine. I can see 
several darker blue 'gaps' in the timeline, in between many of the clips 
themselves, and don't recall seeing those before. I have several titles in 
the beginning, a few effects here and there, but nothing I havent used 
before. And I've sped up several of the clips themselves to play rather 
quickly. I'm not sure that it had anything to do with it, but only noticed 
this problem after having upgraded to Panther (also moved the files around a 
few times on the same secondary harddrive). Tried exporting to iDVD and saw 
same results (which I guess makes sense since it wont even play correctly in 
iMovie).

I'm thinking worst case I'll import into a new project and replace the clips 
in the same order and hope the movie file stays intact. Could it be a 
corrupted .mov file since the clips themselves are ok? I've seen suggestions 
online to extract all the audio from each clip? I'm pretty sure my camera 
was set to 12-bit audio for recording (since changed to 16-bit). Anybody 
seen this before or have suggestions about how to resolve?

I have recently purchased FCP4 but am not well-versed quite yet, not sure if 
I can import clips there and reorganize easily?

Thanks in advance!
Scott ('Chips Otoole')

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