Ubuntu Dell XPS M1330 low volume mic/microphone fix

http://ubuntuforums.org/showpost.php?p=6718591&postcount=27

(restart session )

Untar all files in a folder

for a in `ls -1 *.tar.gz`; do tar -zxvf $a; done

or

for a in `ls -1 *.tgz`; do tar -zxvf $a; done