See your voice music or test your audio equipment. See whatever your microphone can hear!

This real-time spectrum analyzer (RTA) / audio visualizer features:
- 256 high-quality frequency bands [20Hz to 22kHz]
- Logarithmic frequency scale to match human perception
- Low latency for high responsiveness
- High frame rate to see smooth frequency and amplitude movements
- Low battery drain due to high performance native code
- Fast graphics using OpenGL ES 2.0
- FFT window size 4096 @ 60 frames per second