If you talk about video files then you might wanna take a look here:
http://www.gnutellaforums.com/showth...uper+Converter
In case you're talking about audio files, then it might be possible that you have to convert certain file types in order to burn them (though I'm not sure whether the Super converter also converts audio files).
Here is a link for some free audio converter:
Nonags Freeware 