Internet Talk Radio

Internet Talk Radio (Or internet talk radio show host Nick De Leon calls it an Internet Radio Show.) An audio broadcasting service transmitted via the Internet. Broadcasting radio shows on the internet is usually preferred to webcasting since it is not transmitted broadly through wireless means. It mainly works by Internet radio transmissions. (Internet radio services are usually accessible from anywhere in the world—for example, one could listen to an Australian station from Europe or America. Some major networks like Clear Channel in the US and Chrysalis in the UK restrict listening to in country because of music licensing and advertising concerns.)

Source : www.wikipedia.com