IQ Audio Visualizer
The audio is the I channel. A Hilbert transform supplies Q by shifting every frequency 90°. Together they make a complex signal, and time runs along the axis.
Drop an audio file
Red shadow on the floor is I(t), the audio itself. Blue shadow on the wall is Q(t), its Hilbert transform. The helix is both at once. Drag to orbit, scroll to zoom.
- Time
- 0
- I
- 0
- Q
- 0
- Envelope
- 0
- Phase
- 0
- Frequency
- 0