Jeff,
These mpeg-4 audio files may be Advanced Audio Coding (AAC) coded. QuickTime
uses the AAC codec to encode audios. Although AAC coded audios have
excellent quality, PowerPoint does not support them.
I recommend that you convert them to MP3 or WMA audios.
--
Regards
Karl
PowerPoint to DVD-quality video, PowerPoint to web
http://www.presentersoft.com
