Okay, I've had this exact same problem sprout up seemingly randomly. Pulseaudio was working fine for everything, even able to divert streams to a bluetooth headset until suddenly everything was just this static like, crackly sound. Even the system sounds at startup.
Anyway, I found buried deep in a thread this very simple fix: { Originally Posted by psyke83 EDIT: My apologies. I thought I was replying to the Hardy thread. It seems a lot of users are having problems with the PCM mixer erroneously being set to 0 or muted. Check the volume levels: In terminal: $ alsamixer -Dhw } Anyway, that was the case for me. PCM was set to 0. I set it up to 100 and then pressed esc. After that all audio is working again without a hitch. -- Sound output from PulseAudio replaced with static after update https://bugs.launchpad.net/bugs/275392 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