I didn't try it yet, but Ardour might be able to do it out of the box. Even
LMMS, if I'm not mistaken.
What may help you is
Start qjackctl > start equalizer in calf audio plugins > start audacity >
send the audio from audacity to calf equalizer
and once you have liked the tweak you can finalize what you want in the
audacity equalizer.
http://techwebb.org/comm/assignments.php?p=radiotips
Even if Audacity can be a great sound editing tool, I'm very distrurbed by
the way Audacity do things.
I'm trying to set the equalizer effect to a sound, but Audacity does't allow
me to listening my setting while I'm doing it (I always have to set up first
then listen a sample of what I've