The idea of ResideMenu is from Dribbble 1 and 2. It has come true and run in iOS devices. iOS ResideMenu This project is the RefsideMenu Android version. The visual effect is partly referred to iOS version of ResideMenu. And thanks to the authors for the above idea and contribution.
A Java port of the impulse library https://launchpad.net/impulse.bzr. For Linux only, requires libpulse and libfftw-3. Captures output from PulseAudio system and delivers transformed snapshots optionally using Fast Fourier Transforms. The data collected may then be used to create visual effects based on sound levels of various frequencies.