The Internet can transfer any type of data including text, video and audio. Basically Internet radio is the transfer of audio data over the Internet to listeners spread across the world. This guide will only focus on the audio aspects of streaming.
To make all of this happen, 4 things are required:
1. Source Audio (Audio/Video files or Live Audio/Video)
2. Audio Encoder & Streamer (SAM Broadcaster, Win Amp/SHOUT cast, Windows Media Encoder)
3. Streaming Server (http://www.spacialnet.com/str eam hosting/)
4. Player (Win Amp, Quick time, iTunes, XMMS, Real Player, Windows Media
How does it work?
The audio encoder takes the source audio and encodes the audio into a continuous stream of audio data. This single audio stream is sent to the streaming server.
The streaming server then acts like a broadcasting antenna by sending the audio data to all the listeners.
For listeners to tune-in to the audio stream, they must have some kind of player installed that is able to receive the stream of audio data from the streaming server, and then play the audio data over the speakers. Since compressing audio data requires large amount of computing resources, it is recommended the computer running SAM be a dedicated server.
The audio data is usually compressed to make it easier and more cost effective to stream over the Internet. For this purpose many audio file formats have been developed that all vary in quality, compression rates and features. Some examples of popular audio formats: MP3, mp3PRO, Windows Media, AAC, aac Plus and Ogg.
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