{
  "description": "Chromatic tuner: the nearest note, how many cents sharp or flat, the frequency and how sure it is, against an adjustable A4. Audio passes untouched.",
  "id": "org.sournd.analysis.tunra",
  "kind": "analysis",
  "latency": 0,
  "name": "Tunra",
  "params": [
    {
      "default": 440.0,
      "key": "reference_a4_hz",
      "max": 480.0,
      "min": 400.0,
      "name": "A4 reference",
      "taper": "linear",
      "unit": "Hz",
      "abi_id": 0
    },
    {
      "default": 0.5,
      "key": "sensitivity",
      "max": 1.0,
      "min": 0.0,
      "name": "Sensitivity",
      "taper": "linear",
      "unit": "",
      "abi_id": 1
    }
  ],
  "provenance": "Original sOURnd tuner blending general techniques: a decimated difference-function pitch estimate refined by a full-rate difference minimum with parabolic interpolation, and a periodicity-based confidence.",
  "readouts": [
    {
      "count": 1,
      "key": "note",
      "kind": "note",
      "max": 127.0,
      "min": 0.0,
      "name": "Note",
      "unit": ""
    },
    {
      "count": 1,
      "key": "cents",
      "kind": "value",
      "max": 50.0,
      "min": -50.0,
      "name": "Cents",
      "unit": "cents"
    },
    {
      "count": 1,
      "key": "frequency_hz",
      "kind": "value",
      "max": 2000.0,
      "min": 0.0,
      "name": "Frequency",
      "unit": "Hz"
    },
    {
      "count": 1,
      "key": "confidence",
      "kind": "meter",
      "max": 1.0,
      "min": 0.0,
      "name": "Confidence",
      "unit": ""
    }
  ],
  "styles": [
    "tuner"
  ],
  "tail_seconds": 0.0,
  "version": "1.0.0",
  "tier": "free",
  "listed": true,
  "category": "analysis",
  "url": "https://sournd.com/engines/tunra/",
  "price": {
    "cents": 0,
    "currency": "GBP"
  },
  "markdown_url": "https://sournd.com/engines/tunra/index.md",
  "icon_url": "https://sournd.com/engines/tunra/icon.svg",
  "banner_url": "https://sournd.com/engines/tunra/banner.svg",
  "story": "In tune, the bubbles line up.",
  "download": {
    "macos": "https://sournd.com/download/free/macos",
    "linux": "https://sournd.com/download/free/linux",
    "windows": "https://sournd.com/download/free/windows"
  }
}