Thanks for taking the time to report this bug. Unfortunately we can't fix it, because your description didn't include enough information.
Please include the information requested from https://help.ubuntu.com/community/DebuggingSoundProblems as separate attachments. -- left-channel distortion on intel-hda https://launchpad.net/bugs/75906 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs