I'm sorry, now i've installed "ubuntu restricted extras" package and the problem has disappeared.
your command works perfectly Thank you -- My gstreamer-based Totem doesn't play mp3 audio properly https://bugs.launchpad.net/bugs/117231 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs