{
  "xzbt": "0.1",
  "meta": {
    "id": "audio-challenge",
    "name": "Audio Acceptance Challenge v1"
  },
  "runtime": {
    "seed": 42
  },
  "sounds": {
    "chirp": {
      "name": "01 · Electronic chirp",
      "recipe": {
        "mode": "oneshot",
        "release": "200ms",
        "nodes": {
          "hit": {
            "type": "impulse",
            "duration": "160ms",
            "color": "white"
          },
          "ring": {
            "type": "resonator",
            "fundamental": 400,
            "modes": [
              {
                "ratio": 1,
                "decay": "80ms"
              }
            ]
          },
          "level": {
            "type": "gain",
            "gain": 0.4
          }
        },
        "routes": [
          {
            "from": "hit",
            "to": "ring"
          },
          {
            "from": "ring",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ],
        "automation": [
          {
            "target": "ring.fundamental",
            "interpolation": "exponential",
            "points": [
              {
                "at": "0ms",
                "value": 400
              },
              {
                "at": "160ms",
                "value": 2400
              }
            ]
          }
        ]
      }
    },
    "relay": {
      "name": "02 · Relay / switch click",
      "recipe": {
        "mode": "oneshot",
        "release": "200ms",
        "nodes": {
          "hit": {
            "type": "impulse",
            "duration": "3ms",
            "color": "white"
          },
          "shape": {
            "type": "filter",
            "mode": "highpass",
            "frequency": 1300,
            "q": 1
          },
          "level": {
            "type": "gain",
            "gain": 0.3
          }
        },
        "routes": [
          {
            "from": "hit",
            "to": "shape"
          },
          {
            "from": "shape",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ]
      }
    },
    "siren": {
      "name": "03 · Alarm / siren",
      "recipe": {
        "mode": "continuous",
        "release": "200ms",
        "nodes": {
          "tone": {
            "type": "oscillator",
            "frequency": 650,
            "waveform": "triangle"
          },
          "sweep": {
            "type": "lfo",
            "frequency": 0.7,
            "polarity": "bipolar"
          },
          "level": {
            "type": "gain",
            "gain": 0.12
          }
        },
        "routes": [
          {
            "from": "tone",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          },
          {
            "from": "sweep",
            "to": "tone.frequency",
            "depth": 250
          }
        ]
      }
    },
    "airflow": {
      "name": "04 · Airflow loop",
      "recipe": {
        "mode": "continuous",
        "release": "200ms",
        "nodes": {
          "air": {
            "type": "noise",
            "color": "pink"
          },
          "shape": {
            "type": "filter",
            "mode": "lowpass",
            "frequency": 1600,
            "q": 0.7
          },
          "level": {
            "type": "gain",
            "gain": 0.25
          }
        },
        "routes": [
          {
            "from": "air",
            "to": "shape"
          },
          {
            "from": "shape",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ]
      }
    },
    "machinery": {
      "name": "05 · Machinery drone",
      "recipe": {
        "mode": "continuous",
        "release": "200ms",
        "nodes": {
          "low": {
            "type": "oscillator",
            "frequency": 65,
            "waveform": "sawtooth"
          },
          "high": {
            "type": "oscillator",
            "frequency": 130.7,
            "waveform": "triangle"
          },
          "shape": {
            "type": "filter",
            "mode": "lowpass",
            "frequency": 400,
            "q": 1
          },
          "level": {
            "type": "gain",
            "gain": 0.1
          }
        },
        "routes": [
          {
            "from": "high",
            "to": "shape"
          },
          {
            "from": "low",
            "to": "shape"
          },
          {
            "from": "shape",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ]
      }
    },
    "pressure": {
      "name": "06 · Pressure release",
      "recipe": {
        "mode": "oneshot",
        "release": "200ms",
        "nodes": {
          "hit": {
            "type": "impulse",
            "duration": "500ms",
            "color": "white"
          },
          "shape": {
            "type": "filter",
            "mode": "bandpass",
            "frequency": 2000,
            "q": 0.7
          },
          "level": {
            "type": "gain",
            "gain": 0.4
          }
        },
        "routes": [
          {
            "from": "hit",
            "to": "shape"
          },
          {
            "from": "shape",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ],
        "automation": [
          {
            "target": "shape.frequency",
            "interpolation": "linear",
            "points": [
              {
                "at": "0ms",
                "value": 3500
              },
              {
                "at": "500ms",
                "value": 500
              }
            ]
          }
        ]
      }
    },
    "groan": {
      "name": "07 · Structural groan",
      "recipe": {
        "mode": "oneshot",
        "release": "200ms",
        "nodes": {
          "hit": {
            "type": "impulse",
            "duration": "400ms",
            "color": "brown"
          },
          "body": {
            "type": "resonator",
            "fundamental": 95,
            "modes": [
              {
                "ratio": 1,
                "decay": "2s"
              },
              {
                "ratio": 1.43,
                "gain": 0.5,
                "decay": "1500ms"
              },
              {
                "ratio": 2.71,
                "gain": 0.2,
                "decay": "1s"
              }
            ]
          },
          "level": {
            "type": "gain",
            "gain": 0.4
          }
        },
        "routes": [
          {
            "from": "hit",
            "to": "body"
          },
          {
            "from": "body",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ],
        "automation": [
          {
            "target": "body.fundamental",
            "interpolation": "linear",
            "points": [
              {
                "at": "0ms",
                "value": 95
              },
              {
                "at": "2s",
                "value": 55
              }
            ]
          }
        ]
      }
    },
    "electrical": {
      "name": "08 · Electrical buzz / arcing",
      "recipe": {
        "mode": "continuous",
        "release": "200ms",
        "nodes": {
          "buzz": {
            "type": "oscillator",
            "frequency": 120,
            "waveform": "sawtooth"
          },
          "arc": {
            "type": "noise",
            "color": "white"
          },
          "shape": {
            "type": "filter",
            "mode": "highpass",
            "frequency": 1500,
            "q": 1
          },
          "steps": {
            "type": "sample-hold",
            "rate": 14,
            "min": 0,
            "max": 1,
            "slew": "5ms"
          },
          "level": {
            "type": "gain",
            "gain": 0.035
          }
        },
        "routes": [
          {
            "from": "arc",
            "to": "shape"
          },
          {
            "from": "shape",
            "to": "level"
          },
          {
            "from": "buzz",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          },
          {
            "from": "steps",
            "to": "level.gain",
            "depth": 0.06
          }
        ]
      }
    },
    "impact": {
      "name": "09 · Impact transient",
      "recipe": {
        "mode": "oneshot",
        "release": "200ms",
        "nodes": {
          "hit": {
            "type": "impulse",
            "duration": "12ms",
            "color": "white"
          },
          "body": {
            "type": "resonator",
            "fundamental": 110,
            "modes": [
              {
                "ratio": 1,
                "decay": "600ms"
              },
              {
                "ratio": 2.7,
                "gain": 0.4,
                "decay": "200ms"
              }
            ]
          },
          "level": {
            "type": "gain",
            "gain": 0.5
          }
        },
        "routes": [
          {
            "from": "hit",
            "to": "body"
          },
          {
            "from": "body",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ]
      }
    },
    "sequence": {
      "name": "10 · Tonal sequence",
      "recipe": {
        "mode": "continuous",
        "release": "200ms",
        "nodes": {
          "tone": {
            "type": "oscillator",
            "frequency": 261.63,
            "waveform": "sine"
          },
          "level": {
            "type": "gain",
            "gain": 0.13
          }
        },
        "routes": [
          {
            "from": "tone",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ],
        "automation": [
          {
            "target": "tone.frequency",
            "interpolation": "step",
            "points": [
              {
                "at": "0ms",
                "value": 261.63
              },
              {
                "at": "300ms",
                "value": 329.63
              },
              {
                "at": "600ms",
                "value": 392
              },
              {
                "at": "900ms",
                "value": 523.25
              }
            ]
          },
          {
            "target": "level.gain",
            "interpolation": "linear",
            "points": [
              {
                "at": "0ms",
                "value": 0
              },
              {
                "at": "15ms",
                "value": 0.13
              },
              {
                "at": "1100ms",
                "value": 0.13
              },
              {
                "at": "1200ms",
                "value": 0
              }
            ]
          }
        ]
      }
    },
    "breathing": {
      "name": "11 · Organic pulse / breathing",
      "recipe": {
        "mode": "continuous",
        "release": "200ms",
        "nodes": {
          "air": {
            "type": "noise",
            "color": "pink"
          },
          "shape": {
            "type": "filter",
            "mode": "lowpass",
            "frequency": 900,
            "q": 0.7
          },
          "breath": {
            "type": "lfo",
            "frequency": 0.22,
            "polarity": "unipolar"
          },
          "level": {
            "type": "gain",
            "gain": 0.02
          }
        },
        "routes": [
          {
            "from": "air",
            "to": "shape"
          },
          {
            "from": "shape",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          },
          {
            "from": "breath",
            "to": "level.gain",
            "depth": 0.3
          }
        ]
      }
    },
    "atmosphere": {
      "name": "12 · Evolving atmospheric texture",
      "recipe": {
        "mode": "continuous",
        "release": "200ms",
        "nodes": {
          "air": {
            "type": "noise",
            "color": "brown"
          },
          "tone": {
            "type": "oscillator",
            "frequency": 180,
            "waveform": "sine"
          },
          "shape": {
            "type": "filter",
            "mode": "bandpass",
            "frequency": 400,
            "q": 0.6
          },
          "space": {
            "type": "reverb",
            "decay": "4s",
            "mix": 0.6
          },
          "level": {
            "type": "gain",
            "gain": 0.15
          }
        },
        "routes": [
          {
            "from": "tone",
            "to": "shape"
          },
          {
            "from": "air",
            "to": "shape"
          },
          {
            "from": "shape",
            "to": "space"
          },
          {
            "from": "space",
            "to": "level"
          },
          {
            "from": "level",
            "to": "output"
          }
        ],
        "automation": [
          {
            "target": "shape.frequency",
            "interpolation": "smooth",
            "points": [
              {
                "at": "0ms",
                "value": 250
              },
              {
                "at": "10s",
                "value": 2000
              },
              {
                "at": "25s",
                "value": 450
              }
            ]
          },
          {
            "target": "tone.frequency",
            "interpolation": "smooth",
            "points": [
              {
                "at": "0ms",
                "value": 180
              },
              {
                "at": "25s",
                "value": 270
              }
            ]
          }
        ]
      }
    }
  }
}