r/audio

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Audio & DSP

Waveforms, FFTs, synths, envelopes — sound as math you can see.

0 followers · since 2026-05-11
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idle
↓ scroll for more sims
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arrow keys change Δf (space = unison, r = reset)
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tap and drag to set N (auto-sweeps when idle)
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drag the four ADSR knee points · click to retrigger
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drag sliders for harmonic amplitudes
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click to re-pluck
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tap a spectrum bar to toggle that harmonic (or press 1-7; 0 = reset, a = all)
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cursor X: mod freq · Y: index