Need help automating movies export using QuickTime Pro 7.4

I would like to convert several movies (.mov) to .3gp and .mp4 for mobile phones. I found some sample code here to accomplish the automation process:
http://developer.apple.com/samplecode/QuickTime/idxQuickTimeforWindows-date.html #doclist
I built the sample QTControlCommandLine which is a command line program to convert a file from one format to another. When I use this program to convert a .mov file, there's no audio in the resulting .3gp (or .mp4); however when I manually convert the file (i.e. start QuickTime, load the .mov file and then export to .3gp), the resulting file is fine, with audio. I looked at the resulting files from both processes (using QT's view movie properties), and sure enough the manual process produces a file WITH an audio track, while the automated (COM) process produces one WITHOUT an audio track.
Has anyone encountered this problem? Is there some simple flag that the sample program failed to toggle to allow audio to be exported? I appreciate any leads to solve this issue.
Regards

Found my own answer. It is a licensing issue as indicated here:
http://developer.apple.com/qa/qa2001/qa1347.html

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