Most digital media comes in some sort of proprietary format or another; MP3, AAC, DVDs, MPEG, and so on. Ubuntu by default doesn’t include these codecs due to licensing issues. However, it’s quite simple to install the necessary codecs, which come in the Ubuntu Restricted Extras packages. To do so, open up a Terminal window and type this command:
kartook@H4C<3r$ sudo apt-get install ubuntu-restricted-extras
This will install lot of additional packages like MS fonts like