Sorry, I misunderstood you Rui. I can confirm that this situation occurs on edgy with version audacity_1.2.4b-2.1ubuntu1_i386. I think this can be classified as a bug.
** Changed in: audacity (Ubuntu) Assignee: MOTU Pro Audio Team => (unassigned) Status: Unconfirmed => Confirmed -- export to mp3 support missing (libmp3lame.so) https://launchpad.net/bugs/51063 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs