The following solution worked for me (From http://ubuntuforums.org/showthread.php?t=543878)
"It comes down to getting alsa to use the right card. Type "asoundconf list" Then "asoundconf set-default-card INSERTCARDNAMEFROMLISTHERE" Then alsa has a default card to look for and flash and youtube will work." -Fernando -- Audio from Flash in Firefox does not go to correct sound device https://bugs.launchpad.net/bugs/144356 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs