{
  "date": "2026-09-25",
  "question": "Does a quiet second note in one MP3 survive each sensitivity setting?",
  "source": "Generated 2.4 s mono 44.1 kHz 16-bit WAV with three 0.35-amplitude sine notes and a 0.012-amplitude E4 second note",
  "sourceNotes": [
    {
      "pitch": 60,
      "start": 0,
      "end": 0.45,
      "amplitude": 0.35
    },
    {
      "pitch": 64,
      "start": 0.6,
      "end": 1.05,
      "amplitude": 0.012
    },
    {
      "pitch": 67,
      "start": 1.2,
      "end": 1.65,
      "amplitude": 0.35
    },
    {
      "pitch": 72,
      "start": 1.8,
      "end": 2.25,
      "amplitude": 0.35
    }
  ],
  "encoder": "FFmpeg libmp3lame, constant 192 kb/s",
  "decoder": "FFmpeg to mono 44.1 kHz float PCM; browser AudioContext UI was not tested",
  "detector": "Unmodified downsample, detectNotes, buildMidi extracted from dist/script.js",
  "mp3Bytes": 58975,
  "mp3Sha256": "f80488be85f67d6082a7a04ac9b4b4f3a1be3895d90bdd3b70cd0eef65d0521e",
  "results": [
    {
      "mode": "cleaner",
      "noteCount": 3,
      "notes": [
        {
          "pitch": 60,
          "start": 0,
          "duration": 0.464,
          "velocity": 118
        },
        {
          "pitch": 67,
          "start": 1.022,
          "duration": 0.604,
          "velocity": 118
        },
        {
          "pitch": 72,
          "start": 1.672,
          "duration": 0.511,
          "velocity": 118
        }
      ],
      "midiBytes": 61,
      "midiSha256": "0a992f356fd9490cde54e9b2315d756177f3dc661cbbf9d96b8b45b9e55fe38b"
    },
    {
      "mode": "balanced",
      "noteCount": 3,
      "notes": [
        {
          "pitch": 60,
          "start": 0,
          "duration": 0.464,
          "velocity": 118
        },
        {
          "pitch": 67,
          "start": 1.022,
          "duration": 0.604,
          "velocity": 118
        },
        {
          "pitch": 72,
          "start": 1.672,
          "duration": 0.511,
          "velocity": 118
        }
      ],
      "midiBytes": 61,
      "midiSha256": "0a992f356fd9490cde54e9b2315d756177f3dc661cbbf9d96b8b45b9e55fe38b"
    },
    {
      "mode": "more-notes",
      "noteCount": 4,
      "notes": [
        {
          "pitch": 60,
          "start": 0,
          "duration": 0.464,
          "velocity": 118
        },
        {
          "pitch": 64,
          "start": 0.557,
          "duration": 0.418,
          "velocity": 52
        },
        {
          "pitch": 67,
          "start": 1.022,
          "duration": 0.604,
          "velocity": 118
        },
        {
          "pitch": 72,
          "start": 1.672,
          "duration": 0.511,
          "velocity": 118
        }
      ],
      "midiBytes": 69,
      "midiSha256": "8c32302ea7526c9984678573cd4380681267bb8a369764f19aa21f0133c375ee"
    }
  ]
}