Does my powerbook have enough under the hood?

Hi all,
My iMovie file size is 22GB. It is just over 60 minutes long.
I have not been able to burn this project to a DVD.
iDVD processed the video okay but it got hung up on the audio (spinning beach wheel and "program not responding").
I'm using a powerbook G4 with a 1.67 processor and 1 GB of Ram. I'm running Mac 10.4.8
iMovie performance during production has ranged from mediocore to poor.
So I guess my question is: Would a computer upgrade be the answer for me? (I have to create similar projects for my home business)
Perhaps a G5 iMac with 3GB Ram?
Any sage advice from you folks would be mucho appreciated!
Mike

Hi Karl,
I'm doing what you said even as we speak --- it looks to be an all night affair though (as I said performance is sluggish).
I'll let you all know how it turns out.
Thanks so much for all your help!
Mike
Welcome to the forum, Mike.
As Matt said, your Mac is probably fine. His other
suggestion that there may not be insufficient free
disk space is excellent. If that isn't the problem,
here's a couple other things to consider.
A. When iDVD has a problem burning a DVD, user
reports here suggest the problem is often with the
project's audio. I don't think anyone knows exactly
what causes it.
The problem can usually be resolved by exporting the
project's audio to an AIFF audio file, then
re-importing that file back into the iMovie project.
You then place the re-imported audio in its own audio
track, mute the video track and mute the other audio
track.
Exporting "flattens" the audio, making it easier for
iDVD to handle.
To export the audio of the project, do this:
1. Choose File > Export.
2. From the "Compress movie for" popUp menu, choose
"Expert Settings". Click Share.
3. In the Save File dialog that opens, choose "Sound
to AIFF" from the top popUp menu and "44.1 kHz 16 bit
Stereo" from the bottom popUp menu. Name the file and
click Save.
4. Import the exported AIFF file to the iMovie
project.
B. You said performance is sluggish. That too also be
related to the audio. If the project has lots of
audio clips that can cause playback problems. They
vary from a minor inconvenience to no playback at
all. There's a (long) discussion of the problem here,
with workarounds:
http://discussions.apple.com/thread.jspa?messageID=259
7033#2597033
Karl

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