This software is pretty basic, but powerful.
It can broadcast the audio from your computer, and also has another channel for an audio input like a microphone.
It also comes with a basic mixer to balance these sounds in the main mix.
Would recommend!
Airfoil - This software is from the Rogue Amoeba company, built to run on Mac and Windows platforms. It’s an audio-based software that allows the computers sound to play over a network device. Read more about Airfoil.
butt - butt (broadcast using this tool) is a streaming tool for live audio data from your computers Mic or...
AudioRelay - Listen to your PC audio, use your phone as a mic or stream audio from your phone
Wohooo.net - Create Your Own Online Radio Station
SoundWire - SoundWire does audio mirroring (audio cast). You can use any music player on your PC or laptop like Spotify, YouTube, or iTunes and stream low-latency live sound over WiFi directly to your Android device.
Streampusher - Start your own internet radio station