FFTX

Music Analysis: Play music and see the bass (low frequencies) and treble (high frequencies) in real-time
Troubleshooting: Find annoying electronic whines by identifying their exact frequency
Educational: Speak, whistle, or make sounds to understand how different sounds create different frequency patterns
Controls: Click "Start Analysis" to begin, "Toggle View" to switch between visualization modes
Tip: Grant microphone permission when prompted for the best experience