For beginners who wish to setup an online radio station the illustration below will help you to figure out how to setup your own online radio station, the software requirements depends on your needs, there are lots of DJ software around that you can use but the most easy to use is Sambroadcaster from www.spacial.com as it was design for web streaming, there are other great software such as OtsAV or RadioDJ, Winamp, Virtual DJ and lot more.