I increased the volume step by step. These are the screenshots so you can see by yourself what's going on.
** Attachment added: "Screenshot from 2013-07-10 11:36:33.png" https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1183145/+attachment/3731601/+files/Screenshot%20from%202013-07-10%2011%3A36%3A33.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1183145 Title: sound is distorted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1183145/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs