I'm having this same issue in Intrepid, the sound is good but when muted it crackles. I've noticed this since a few days.
-- [Hardy] Crackle/Popping when playing sound whilst muted in PulseAudio https://bugs.launchpad.net/bugs/220842 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