How to convert mono to stereo audio

I updated my software and now I cant seem convert audio recorded on a single channel mic to both channels with the new version of iMovie. I know with previous versions you could open the file in Quicktime, but the Quicktime software is also new and doesnt have the same options. Reverting back to iMovie 9 also doesnt seem to be an option. Any suggestions/advice??
Thanks!

dainternetguru wrote:
Yes I'm aware I can still use iMovie 9, which is what I've reverted back to until I can fix this problem.
For now, I think that is the best choice.
You could also buy QuickTime Pro 7 which will allow you to do the same mono conversion that iMovie version 9 does.
http://www.apple.com/quicktime/extending/
Matt

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    Yes I'm aware I can still use iMovie 9, which is what I've reverted back to until I can fix this problem.
    For now, I think that is the best choice.
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