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f33e652
(Get the code!)
I'm affected by this bug on my HP Pavilion dv5 running Ubuntu 9.04 (Jaunty Jackalope). My audio device is an Intel HDA, or more specifically: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03). Specifically, I can hear a crackling noise when the PCM channel is muted and audio is playing.
** Friendly reminder **
If you haven't already stated your Ubuntu version and audio device model please do so. The lspci command is one way you can quickly tell the model of audio device / sound card you're running.
This bug report is currently lacking a definitive diagnosis of what's to blame, your feedback will help this process.
(I know the removal of PulseAudio has removed the symptoms for some, but this is not a solution. It doesn't tell us definitively whether the problem lies with ALSA or PulseAudio; this we're yet to prove. Secondly, if it is PulseAudio then we need it fixed, not removed)