What is cymatics?

Sound you can see

We usually think of sound as something we hear. But sound is vibration — waves of pressure moving through the air and through anything they touch. When those waves move through a physical medium, they push and pull it into a stable, repeating pattern. That pattern is the fingerprint of the frequency driving it.

The word cymatics comes from the Greek kyma, meaning "wave." It was popularized in the 1960s by Swiss doctor and researcher Hans Jenny, who photographed how tones reshaped pastes, powders, and liquids on a vibrating plate. His work built on the 18th-century experiments of Ernst Chladni, often called the father of acoustics, who drew a violin bow across sand-covered metal plates and watched the grains leap into geometric star-like figures — the famous Chladni patterns.

The science: how a frequency becomes a shape

When you vibrate a surface at a steady frequency, waves travel across it, bounce off the edges, and overlap with themselves. In certain places the reflected waves cancel out and the surface barely moves — these still lines are called nodes. In other places the waves reinforce each other and the motion is strongest — the antinodes.

Loose material like sand slides away from the shaking antinodes and collects along the calm nodal lines, tracing the hidden geometry of the wave. This is called a standing wave, and the specific pattern it forms is a resonant mode of that surface. Raise the pitch and you excite a higher mode with more nodal lines, so the pattern becomes more intricate. It is the same physics that gives a drum, a wine glass, or a guitar body its particular voice.

Water cymatics and the "lens" look

Water behaves a little differently from sand. Instead of collecting at nodes, the surface itself ripples — rising and falling in concentric rings and rosettes. Because water is transparent, light passing through those ripples gets focused and bent into bright, dancing lines called caustics — the same shimmering web you see at the bottom of a swimming pool. That combination of rippling geometry and refracted light is exactly the effect this visualizer recreates in real time.

How the SYQEL cymatics visualizer works

This is not a stock effect or a looping video. It is a live physics simulation reacting to your microphone:

1. Listening. Your browser reads the microphone and runs a Fast Fourier Transform (FFT) to split the sound into its frequencies — bass, mids, and treble, dozens of bands, many times per second.
2. Vibrating. Each frequency band drives ripples on a simulated circular plate of water running on your graphics card. Louder frequencies push bigger waves; the edge reflects them back into cymatic standing-wave patterns.
3. Lighting. The simulated surface is lit like real water — refraction, chromatic dispersion, and caustics — so the ripples read as light bending through a lens.
4. Coloring. The color spectrum is mapped to the audio spectrum: low frequencies glow toward the warm end near the center, high frequencies toward the cool end at the rim. The color you see is literally a picture of the frequencies you're making.

Because it's gated to real sound, the water sits perfectly still in silence and only comes alive when it actually hears something.

Two modes: water and sand

Water mode is the fluid view — organic ripples and caustics with color mapped to frequency. Sand mode is a classic Chladni plate: thousands of simulated grains slide away from the shaking antinodes and gather along the still nodal lines. Because those lines depend on the exact frequency, each pitch draws the sand into its own distinct figure — and when your pitch changes, the grains physically migrate to the new one. It's the clearest way to see that a sound has a shape. Flip between the two with the Water / Sand toggle.

How to use it

1. Press Begin and allow microphone access when your browser asks.
2. Make a sound. Hum, sing, whistle, talk, or play music near your device. The water responds instantly.
3. Change your pitch. Slide from a low note to a high one and watch the rings tighten and the color shift across the spectrum.
4. Switch modes. Use the Water / Sand toggle (top-left) — Water for fluid ripples, Sand for a Chladni plate where each pitch forms its own figure.
5. Play with the controls (top-right): start from a preset — Balanced, Profound, Clear or Dreamy — then fine-tune Sensitivity, Drive, Caustics, Color, Glow and more.
6. Save it. Hit Snapshot to download a high-resolution image. Press F for fullscreen and H to hide the interface.

Tips for the most beautiful patterns

• Sustained, steady tones create the cleanest, most symmetrical figures — try holding a single vowel.
• Headphones playing music into the room, or a nearby speaker, give the mic a rich full-spectrum signal.
• Turn Sensitivity up in a quiet room, or down if the pattern is maxing out.
• A quiet room keeps the water still between sounds, so each note reads clearly.

From one voice to your whole sound

This page is a free, single-plate taste of what's possible. SYQEL takes the same idea much further: an AI-powered visualizer that reacts to any audio — your Spotify or Apple Music library, DJ sets, live instruments, or a whole party — with hundreds of scenes designed for phones, big screens, streams, and venues. If seeing one voice as water is fun, seeing your entire music collection come alive is the real thing.

Download SYQEL →   Back to the visualizer

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