I have the same problem in Ubuntu 14.04. In version 13.10, everything works fine. The problem is with the FFmpeg input plugin of cmus, I think it is fixed in the cmus repository (https://github.com/cmus/cmus), but Ubuntu ships the 2.5.0 version of cmus which is very outdated.
** Tags added: trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1311337 Title: distored m4a in cmus To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cmus/+bug/1311337/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs