Nice to hear I'm not alone with this problem. For me it helps if i add these lines below to /etc/modprobe.d/alsa-base but if you have pci or integrated sound card I don't believe this would help. After modifying alsa-base file I still hear some rasping but a lot of less than before.
install usbhid modprobe snd-usb-audio; modprobe --ignore-install usbhid install usbhid modprobe snd-usb-lib; modprobe --ignore-install usbhid -- Rasping sound with usb audio and 5.1 surround sounds https://bugs.launchpad.net/bugs/326693 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
