Testing according to instructions in this forum thread suggest the problem is with ALSA and not PulseAudio...
http://ubuntuforums.org/showthread.php?p=7171670#post7171670
Testing according to instructions in this forum thread suggest the problem is with ALSA and not PulseAudio...
http:// ubuntuforums. org/showthread. php?p=7171670# post7171670