Cool Mic

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.

Features:
* Streams live audio from microphone or mic/line jack to any Icecast 2.x server
* Configurable metadata (Title, Artist) sent to Icecast
* Easy sharing of your unique livestream URL
* Auto-reconnect feature
* Input gain (input volume) slider
* Graphical VU meter with adjustable update interval
* Active listener count (current * peak/max)
* Broadcast length timer
* Supports the open source, patent free Ogg/Opus audio codec
* Supports the open source, patent free Ogg/Vorbis audio codec
* Configurable Opus * Vorbis quality level settings
* Configurable Icecast ‘source‘ username
* Configurable number of audio channels (1/Mono, 2/Stereo)
* Configurable sample rate (8000, 11025, 16000, 22050, 44100, 48000Hz)
* Configurable server port (Under “Connection”, use SERVER:PORT)
* Scan QR Code for auto-configuration
* Allows basic testing by using predefined Cool Mic Test Server configuration (CMTS)
* Prevents screen * Wi-Fi sleep mode during livestream
* Check current Cool Mic -> Android OS permissions
* Simple and easy to use interface