TV-MAXE is an application which provides the ability to watch TV stations and listen radio via different streams.
http://code.google.com/p/tv-maxe/

Install TV-MAXE typing the following commands in Terminal (open terminal Ctrl-Al-T):

• sudo apt-add-repository ppa:venerix/pkg
• enter the password
• sudo apt-get update
• sudo apt-get install tv-maxe