{ "name": "hit", "duration": 0.12, "sample_rate": 44100, "channels": [ { "type": "noise", "mode": "white", "frequency": 6000, "filter": { "type": "lowpass", "cutoff": 1500, "q": 1.5 }, "envelope": { "attack": 0.0, "decay": 0.02, "sustain": 0.0, "release": 0.08 }, "volume": 0.7, "pan": 0.0 }, { "type": "pulse", "duty": 50, "frequency": { "start": 200, "end": 50, "curve": "exponential" }, "envelope": { "attack": 0.0, "decay": 0.03, "sustain": 0.0, "release": 0.06 }, "volume": 0.4, "pan": 0.0 } ] }