I have a HP dv9000 and was having what sounds like the same problem. Turns out the PCM was set somehow to 600 something out of 100. I could see the exact value in alsamixer. Bumping it down to 100 fixed everything.
-- Distorted sound after upgrade from Gutsy to Hardy https://bugs.launchpad.net/bugs/222192 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