Thanks for your bug report. In order to get some more information about your hardware and problem, could you please do the following.
1. Open a terminal, and run "apport-collect 788395". 2. Get a log from pulseaudio as outlined at the following URL. https://wiki.ubuntu.com/PulseAudio/Log Thanks in advance. ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/788395 Title: sound becomes scratchy after a while -USB HS -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs