The extension is .mpg. As


The extension is .mpg. As far as I can tell, there is no wav file associated with it. The sound and video is all in the one file. I tried using quicktime to just export the sound, but it won’t do it.

I tried exporting it as an MPEG-4 just to see what would happen. I clicked on the options button and went to the audio tab and it say’s there’s no audio track in source movie, yet I hear sound when I play it back in Quicktime. I’m just not sure what to do.

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