{
  "description": "A vowel filter: three resonant peaks shaped like a voice, slid between two vowels by hand, by an LFO or by how hard the input plays, for talking, wah and growl tones.",
  "id": "org.sournd.filter.glottan",
  "kind": "filter",
  "latency": 0,
  "name": "Glottan",
  "params": [
    {
      "default": 0.0,
      "key": "vowel_a",
      "max": 10.0,
      "min": 0.0,
      "name": "Vowel A",
      "taper": "linear",
      "unit": "",
      "abi_id": 0
    },
    {
      "default": 3.0,
      "key": "vowel_b",
      "max": 10.0,
      "min": 0.0,
      "name": "Vowel B",
      "taper": "linear",
      "unit": "",
      "abi_id": 1
    },
    {
      "default": 0.0,
      "key": "morph",
      "max": 100.0,
      "min": 0.0,
      "name": "Morph",
      "taper": "linear",
      "unit": "%",
      "abi_id": 2
    },
    {
      "default": 60.0,
      "key": "resonance",
      "max": 100.0,
      "min": 0.0,
      "name": "Resonance",
      "taper": "linear",
      "unit": "%",
      "abi_id": 3
    },
    {
      "default": 0.0,
      "key": "shift",
      "max": 24.0,
      "min": -24.0,
      "name": "Shift",
      "taper": "linear",
      "unit": "st",
      "abi_id": 4
    },
    {
      "default": 0.5,
      "key": "lfo_rate_hz",
      "max": 10.0,
      "min": 0.05,
      "name": "LFO rate",
      "taper": "log",
      "unit": "Hz",
      "abi_id": 5
    },
    {
      "default": 0.0,
      "key": "lfo_depth",
      "max": 100.0,
      "min": 0.0,
      "name": "LFO depth",
      "taper": "linear",
      "unit": "%",
      "abi_id": 6
    },
    {
      "default": 0.0,
      "key": "env_amount",
      "max": 100.0,
      "min": -100.0,
      "name": "Envelope amount",
      "taper": "linear",
      "unit": "%",
      "abi_id": 7
    },
    {
      "default": 10.0,
      "key": "env_attack_ms",
      "max": 200.0,
      "min": 1.0,
      "name": "Envelope attack",
      "taper": "log",
      "unit": "ms",
      "abi_id": 8
    },
    {
      "default": 150.0,
      "key": "env_release_ms",
      "max": 1000.0,
      "min": 10.0,
      "name": "Envelope release",
      "taper": "log",
      "unit": "ms",
      "abi_id": 9
    },
    {
      "default": 0.0,
      "key": "stereo",
      "max": 180.0,
      "min": 0.0,
      "name": "Stereo",
      "taper": "linear",
      "unit": "deg",
      "abi_id": 10
    },
    {
      "default": 100.0,
      "key": "mix",
      "max": 100.0,
      "min": 0.0,
      "name": "Mix",
      "taper": "linear",
      "unit": "%",
      "abi_id": 11
    },
    {
      "default": 0.0,
      "key": "output_db",
      "max": 12.0,
      "min": -24.0,
      "name": "Output",
      "taper": "linear",
      "unit": "dB",
      "abi_id": 12
    }
  ],
  "provenance": "Original sOURnd design blending general techniques: three parallel trapezoidal band-pass filters at typical published formant frequencies of eleven vowels, fixed peak gains, geometric interpolation between two vowels, an LFO and input envelope follower on the morph, with makeup gain and a soft shoulder.",
  "styles": [
    "formant",
    "auto-filter"
  ],
  "tail_seconds": 0.2,
  "version": "1.0.0",
  "tier": "paid",
  "listed": true,
  "category": "filter",
  "url": "https://sournd.com/engines/glottan/",
  "price": {
    "cents": 299,
    "currency": "GBP"
  },
  "markdown_url": "https://sournd.com/engines/glottan/index.md",
  "icon_url": "https://sournd.com/engines/glottan/icon.svg",
  "banner_url": "https://sournd.com/engines/glottan/banner.svg",
  "story": "A voice in any sound."
}