Configuring the source:
Click RadioCaster -> Settings in the menu.
Click the Change button in the Source category.
Select a suitable sound source.
•Capture playback - the source will be whatever is being played on the computer via the selected sound card.
•Sound card input - broadcast from sound card input (e.g. line-in or microphone input).
•Network stream - there will be a broadcast of the online stream. Enter the stream's URL in the URL field.
Sample rate - sample rate in Hz, 44100 is the default.