{ "name": "wind", "duration": 5.0, "sample_rate": 44100, "channels": [ { "type": "noise", "mode": "white", "frequency": 6000, "filter": { "type": "lowpass", "cutoff": 800, "q": 0.5 }, "envelope": { "attack": 1.0, "decay": 0.0, "sustain": 0.8, "release": 1.0 }, "volume": 0.3, "pan": -0.2 }, { "type": "noise", "mode": "white", "frequency": 4000, "filter": { "type": "lowpass", "cutoff": 400, "q": 0.5 }, "envelope": { "attack": 1.5, "decay": 0.0, "sustain": 0.6, "release": 1.0 }, "volume": 0.25, "pan": 0.2 } ] }