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Mostly native/C++ crowd in here, I know — this one is JS/TS, so it's for anyone doing browser front-ends, product pages, or teaching material.It came out of a side project where I was building an editor for the audio-path settings in VW/Audi head units. The EQ visualization ended up being the fun part, so I pulled it out into its own React library. That was over a year ago — I finally found time to make it presentable.
Draws/edits biquad responses in the browser: log freq graph with dB grid, the usual filters (peaking, shelves, pass, band-pass, notch, gain), real-time composite curve, drag/scroll on gain/freq/Q. Coefficient + magnitude math is exposed as plain functions.
It's rendered in SVG. The core has no audio — just the UI and the math, no AudioContext — so it's not tied to any backend. The demo feeds the same filters into a real WebAudio biquad chain, so the curve and what you hear come from the same params.
Happy to hear what you think, especially if you build this kind of thing natively. What am I missing — anything obviously absent or wrong?
Site: https://dsssp.io (https://dsssp.io)
Source: https://github.com/NumberOneBot/dsssp (https://github.com/NumberOneBot/dsssp)