Please, take a note that it use the experiment Web Audio API from Google Chrome and will not works on all browsers/machines.

1. On Google Chrome, type chrome://flags.

2. Enable the Web Audio Input, you will have to restart your browser.

3. Allow access to the microphone.

4. Start play or sing.

how to . fullscreen . github
menção honrosa de desenvolvimento de experimento . BRIO 2013