The version I am using, the beta 1.3.13 (beta) from summer, still can be confusing to someone doing this kind of analysis. See http://www.whatsbestforum.com/showt...ot-really-Hi-Res&p=65220&viewfull=1#post65220As far as I know, this has been fixed in all reasonably recent versions of Audacity. The versions I have been using (on Ubuntu) do seem to show the spectrum correctly.
Julf
It also has the strange limitation of the amount of music it can sample.