Zernike Synthesizer- Hear the Wavefront
Zernike Synthesizer — Hear the Wavefront
This interactive synthesizer transforms Zernike polynomial coefficients into sound. Each of the 28 modes (up to 6th radial order) drives an audio oscillator whose waveform is derived directly from the phase map evaluated over the unit pupil. Four synthesis engines are available: additive (harmonic spectrum from azimuthal decomposition), waveshaper (nonlinear distortion shaped by the wavefront), FM (frequency modulation with Zernike-driven modulators), and spiral (radial-azimuthal scanning of the pupil disk). Stereo separation is achieved by routing sin-symmetric modes (m < 0) to the left channel and cos-symmetric modes (m > 0) to the right. The interface includes a Zernike pyramid with real-time phase map thumbnails, a 28-channel mixer, 8 clinical and optical presets (keratoconus, astigmatism, spherical aberration…), 8 animated sequencer patterns, polyphonic playback (4 voices), 15 built-in melodies, and audio/video recording. Beyond its experimental nature, the tool reveals that modes with similar phase maps can produce strikingly different timbres, while visually unrelated modes sometimes share unexpected harmonic relationships — offering a genuinely new point of view on wavefront optics.
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