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    index.js conga.js cowbell.js hihat.js kick.js mini.js monosynth.js pluck.js snare.js tom.js tonewheel.js delay.js feedback-comb-filter.js filter.js gain-envelope.js gain.js lfo.js mono-buffer.js noise.js osc-bank.js osc.js pulse.js sample.js soft-clipper.js source.js vca.js vcf.js vco.js wave-shaper.js synth.js
  • ¶

    SoftClipper

    import { createAudioNode } from "../synth"
import WaveShaper from "./wave-shaper"
  • ¶

    Structure

    Input -> Gain -> WaveShaper -> Output

    let curve = null

/**
 * Create a SoftClipper
 */
export default function SoftClipper (ac, state) {
  const clipper = createAudioNode(ac, "Gain", SoftClipper.params)
  clipper.drive = clipper.gain
  if (!curve) curve = createSoftClipperCurve()
  const shaper = WaveShaper(ac, curve, "2x")
  clipper.connect(shaper)
  clipper.connect = shaper.connect.bind(shaper)
  return clipper.update(state)
}
SoftClipper.params = ["drive"]

function createSoftClipperCurve () {
  const n = 65536
  const curve = new Float32Array(n)
  for (let i = 0; i < n; i++) {
    const x = (i - (n / 2)) / (n / 2)
    curve[i] = Math.tanh(x)
  }
  return curve
}