This is becuase the MP3 support uses non-free software. It was left out and will mostly be left out on any new versions. You will have to build this package your self if you want MP3 support.
-- avi->flv: no sound in output file https://bugs.launchpad.net/bugs/216385 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
