Thanks for the suggestions. I'm playing with the filters in audacity and rezound; they seem to help a bit, but I still haven't been able to make the voices understandable.
If anyone is interested, I placed a 4 second sample of the voices at http://people.ucsc.edu/~otte/sound.test.aiff Thanks for the suggestions, Ric -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]