Fourier Challenge

A3 = 220 Hz  ·  Match the target waveform using harmonic sliders

Match:
threshold < 1%
✓ Solved!
Target:
Your harmonic amplitudes  (drag up = +1, down = −1)
hint row shows target sign
Waveform  ·  time domain
Target
Your sum
Spectrum  ·  frequency domain  ·  linear