Installing Multimedia Codec

For all computer users, multimedia is an obligation that must exist. Listen to music, play CD / DVD audio, watch movies, etc. is a solitary joy in using the computer not only as a working tool.
By default, ubuntu has multimedia support, but for the lincensed format like .mp3, .wav, .flv, etc.that we have to add the codec can recognize and run multimedia files. Next, this is a few steps to install the various multimedia codecs in Ubuntu 8.10 :

Step 1. First is, click on Applications -> Add/Remove..