@thi.ng/dsp/osc-rect.js

Composable signal generators, oscillators, filters, FFT, spectrum, windowing & related DSP utils

import { fract } from "@thi.ng/math/prec";
const rect = (phase, freq, amp = 1, dc = 0, duty = 0.5) => dc + amp * (fract(phase * freq) < duty ? 1 : -1);
const rectHOF = (duty = 0.5) => (phase, freq, amp, dc) => rect(phase, freq, amp, dc, duty);
export {
  rect,
  rectHOF
};