Other cases of crackling have been tracked down to the Alsa Mixer channel PCM being at 0, moving this to a sensible value sorted the issue. The PCM channel changing from 0 and back occured on my system randomly at kernel updates. Perhaps you could check that and report back here.
-- Sound buzzing (crackling) for sound Intel Corporation 82801G (ICH7 Family) https://bugs.launchpad.net/bugs/296310 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
