I solved a similar problem on Feisty by updating the Alsa driver.
Solution and more information here: http://ubuntuforums.org/showthread.php?p=2798055#post2798055
Hope it helps someone.
I solved a similar problem on Feisty by updating the Alsa driver.
Solution and more information here: http:// ubuntuforums. org/showthread. php?p=2798055# post2798055
Hope it helps someone.