Cool Mic is an open source Icecast source client. It livestreams audio captured by your Android device’s microphone or mic in / line in jack. It can stream to any Icecast server in the open-source audio formats Ogg/Opus and Ogg/Vorbis. It has many features and a simple, easy to use interface (see screenshots). Cool Mic aims to be the best way to livestream quality audio from your smartphone or tablet.