A few days ago I was telling you about increasing the soft volume in MPlayer to 300%. I know a lot of people are experiencing a very low sound level in Ubuntu, so here is another trick to increase the sound (soft volume) in Ubuntu Linux, this time system-wide.
1. Edit your /etc/asound.conf file.
Press ALT + F2 on your keyboard and type:
gksu gedit /etc/asound.conf
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http://webupd8.blogspot.com/2009/08/increase-maximum-sound-level-in-ubun...