{
  "format": "forge.graph/0",
  "name": "Vibrato",
  "author": "Chirp",
  "license": "CC-BY-4.0",
  "remixed_from": null,
  "description": "True pitch vibrato: a very short delay swept by an LFO, all wet, so the pitch itself wavers like a singer's. Turn Mix down for a chorus.",
  "tags": ["vibrato", "modulation", "pitch"],
  "face": {
    "display": { "kind": "trace", "label": "Wave", "source": "lfo:sine", "range": [-1, 1] },
    "knobs": [
      { "id": "rate", "label": "Rate", "default": 0.45,
        "controls": [ { "target": "lfo.rate", "from": 2, "to": 12, "curve": "exp" } ] },
      { "id": "depth", "label": "Depth", "default": 0.45,
        "controls": [ { "target": "mods.wobble", "from": 0, "to": 0.004, "curve": "square" } ] },
      { "id": "mix", "label": "Mix", "default": 1,
        "controls": [ { "target": "mixer.mix", "from": 0, "to": 1 } ] }
    ]
  },
  "nodes": {
    "lfo": { "block": "lfo", "mono": true },
    "line": { "block": "delay", "set": { "time": 0.006, "max": 0.03 }, "in": { "x": "in" } },
    "mixer": { "block": "blend", "in": { "dry": "in", "wet": "line" } }
  },
  "mods": {
    "wobble": { "from": "lfo:sine", "target": "line.time", "amount": 0 }
  },
  "out": "mixer"
}