Thanks for your bug report. Actually, I think this is already fixed in later kernels.
You can verify this by upgrading your alsa drivers: https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040867 Title: [N56VZ, Realtek ALC663, Speaker, Internal] crackling audio when playing with volume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040867/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
