{
  "format": "xunpu-sound-intent",
  "version": 2,
  "name": "Soft Piano",
  "category": "piano",
  "mood": "soft",
  "texture": "warm",
  "method": "sf2",
  "midiPlayable": true,
  "pitchProperties": "pitched",
  "dynamics": "velocity sensitive",
  "space": "medium room",
  "confidence": 0.5,
  "provenance": "DeepSeek semantic design / native sample and synthesis execution",
  "limitations": "Real sampled piano from FluidR3; no environmental texture or generated audio. Softness comes from envelope and lowpass filtering, not a different piano sample.",
  "explanation": "Real sampled acoustic piano (FluidR3 program 0) with a gentle 0.08 s attack for a soft onset, 2 s release, and a lowpass around 6 kHz to tame brightness. Reverb set to 0.2 (20%) with a medium room for a natural, not washed-out, space.",
  "designer": "DeepSeek",
  "model": "deepseek-flash",
  "prompt": "真实的钢琴音色，柔和起音，释放 2 秒，混响 20%",
  "effects": {
    "reverb": 0.200000002980232,
    "room": 0.550000011920929,
    "damping": 0.5,
    "delayMix": 0.0,
    "delayTime": 0.300000011920929,
    "feedback": 0.25,
    "chorus": 0.0,
    "drive": 0.0,
    "width": 1.0
  },
  "layers": [
    {
      "id": "layer-1",
      "name": "Sampled piano",
      "method": "sf2",
      "category": "piano",
      "assetId": "",
      "sourcePath": "",
      "bank": 0,
      "program": 0,
      "rootNote": 60,
      "pitched": true,
      "enabled": true,
      "envelopeOverride": true,
      "gain": 0.699999988079071,
      "pan": 0.0,
      "attack": 0.079999998211861,
      "decay": 0.5,
      "sustain": 0.800000011920929,
      "release": 2.0,
      "cutoffHz": 6000.0,
      "resonance": 0.707000017166138,
      "waveform": "saw",
      "waveform2": "sine",
      "osc2Level": 0.25,
      "detuneCents": 3.0,
      "octave": 0,
      "octave2": 0,
      "filterType": "lowpass",
      "lfoRate": 0.300000011920929,
      "lfoAmount": 0.0,
      "lfoTarget": "cutoff"
    }
  ]
}