Reverbs
Interactive Media Engineering. A sound you hear and a curve you watch are the same signal. Here you don't read about audio — you play it, drag it, and watch the math light up. From the first oscillator to the Fourier transform that reads it.
Smash solids. Make something new.
Fuse and carve 3D shapes, paint their faces with generative art, and find a material that catches the light. Share your shape with a link, record a turntable, or take it to a 3D printer.
Open Shardsmith →
The vector that comes home turned → · ◍ Play the Curvature Instrument →
Build intuition by ear
The Ableton on-ramp. Drag, hear, understand — no equation required yet. Each idea is a playable instrument.
- How synths make sound — oscillators live
- LFOs & modulation live
- Envelopes — ADSR live
- Filters — sculpting the spectrum live
- Beats & rhythm live
- Notes, scales & chords live
The DSP rigor
Xavier Serra's Audio Signal Processing for Music Applications — the real math, every concept still a live, audible instrument.
How Synths Make Sound
Tap a panel and it sings. Drag pitch, grow harmonics, sculpt loudness — the circle that sings, the additive workshop where you type Fourier recipes as code, and a playable bloom that fuses sound, math, and art. The whole synthesis chain, felt before it's named.
The DFT — Seeing a Spectrum
Build the Fourier transform from one question — does this frequency fit? Drag a probe and feel correlation spike, work a 4-point DFT by hand, write it in JS & Python, then play a chord and watch the math name its notes.
All 15 lessons are live — derivations, dual-language code, and a playable instrument in every one. Start anywhere; the Play track builds intuition, the Signal track builds the math.