extracting sound from movie clips - mpegs

billyg

Guest

hello,
having a problem extracting sound at all from movie clips i downloaded. they play with sound but they don’t seem to want to export with QT pro with ANY audio. i’m on Mac os x any suggestions??

thanks!

bill

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Joined: 20 Nov 2004
Posts: 1,286

Are they mpeg-1 files? I know QuickTime Pro won’t let you extract audio from mpeg-1 files, though I don’t remember the exact reason (patent, copyright, or something like that).
If the file is indeed an mpeg-1, feed it into virtualdub, save it as an avi (preferrably with a lossless codec or no compression), then open the avi with QuickTime Pro and do your conversion there. The audio will be present in your final output.

If I’m off on this and it’s not an mpeg-1 file, then I guess you could be one of the cases mentioned on this page http://www.videohelp.com/mov2avi.htm
“Some Quick Time Movies have audio copy protection. A solution for it to download the application Total Recorder 3.0+. After starting this application you must press the recording button and start your Quick Time Movie. Total Recorder will only record the sound that come from the Quick Time Movie. After recording, you have to save it as wav and multiplex it for example with TMPGEnc."

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Joined: 20 Nov 2004
Posts: 1,286

Oops! Disregard the VirtualDub thingie. I didn’t read you were on a Mac. My apologies.