{
  "test": "Stereo routing versus identical arithmetic mono downmix",
  "runtime": {
    "node": "v24.18.1"
  },
  "versions": {
    "app.js": {
      "url": "https://getmp3tomidi.com/app.js",
      "sha256": "1acf078b8f43809d57b368efa71f990d92211cab7b87e2a9ab0df139c51e4d24"
    },
    "pitch-engine.js": {
      "url": "https://getmp3tomidi.com/pitch-engine.js",
      "sha256": "4853e7823aaff1bc9934e688d89aa2a863f00b5c6306b743ffd00c19d20a80f5"
    },
    "midi-file.js": {
      "url": "https://getmp3tomidi.com/midi-file.js",
      "sha256": "ce7336d07f8cd4e21fc1eb9f244f207b6db58693a3e015ef69ec392214dc4e79"
    },
    "audio-limits.js": {
      "url": "https://getmp3tomidi.com/audio-limits.js",
      "sha256": "5ac8481a4d261c6220979860608f15d61f6ccd76a1f4c1cdbaaafc95ed91db46"
    }
  },
  "rows": [
    {
      "status": "MIDI READY",
      "notes": [
        {
          "pitch": 60,
          "start": 0,
          "end": 0.3025,
          "db": -16.812556333633847
        },
        {
          "pitch": 64,
          "start": 0.3975,
          "end": 0.7025,
          "db": -16.794667336175202
        },
        {
          "pitch": 67,
          "start": 0.7975,
          "end": 1.1025,
          "db": -16.825972101037493
        },
        {
          "pitch": 72,
          "start": 1.1975,
          "end": 1.5025,
          "db": -16.838888523554342
        },
        {
          "pitch": 69,
          "start": 1.5975,
          "end": 1.9025,
          "db": -16.965481956104135
        },
        {
          "pitch": 65,
          "start": 1.9975,
          "end": 2.3025,
          "db": -16.766362509131167
        },
        {
          "pitch": 62,
          "start": 2.3975,
          "end": 2.7025,
          "db": -16.75642092532251
        },
        {
          "pitch": 60,
          "start": 2.7975,
          "end": 3.1025,
          "db": -16.812556333633694
        }
      ],
      "decoded": {
        "channels": 2,
        "sampleRate": 48000,
        "duration": 3.2
      },
      "settings": {
        "gate": -40,
        "minimumMs": 40,
        "transpose": 0
      },
      "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36",
      "input": "alternating-stereo.wav",
      "testedAt": "2026-09-26T16:11:12.935Z",
      "output": "alternating-stereo.mid",
      "outputSha256": "98681faf9bf4379fd1017494e820034da4d401308d61e2b4ed680a6823d44804"
    },
    {
      "status": "MIDI READY",
      "notes": [
        {
          "pitch": 60,
          "start": 0,
          "end": 0.3025,
          "db": -16.812556333633847
        },
        {
          "pitch": 64,
          "start": 0.3975,
          "end": 0.7025,
          "db": -16.794667336175202
        },
        {
          "pitch": 67,
          "start": 0.7975,
          "end": 1.1025,
          "db": -16.825972101037493
        },
        {
          "pitch": 72,
          "start": 1.1975,
          "end": 1.5025,
          "db": -16.838888523554342
        },
        {
          "pitch": 69,
          "start": 1.5975,
          "end": 1.9025,
          "db": -16.965481956104135
        },
        {
          "pitch": 65,
          "start": 1.9975,
          "end": 2.3025,
          "db": -16.766362509131167
        },
        {
          "pitch": 62,
          "start": 2.3975,
          "end": 2.7025,
          "db": -16.75642092532251
        },
        {
          "pitch": 60,
          "start": 2.7975,
          "end": 3.1025,
          "db": -16.812556333633694
        }
      ],
      "decoded": {
        "channels": 1,
        "sampleRate": 48000,
        "duration": 3.2
      },
      "settings": {
        "gate": -40,
        "minimumMs": 40,
        "transpose": 0
      },
      "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36",
      "input": "downmix-mono.wav",
      "testedAt": "2026-09-26T16:11:13.145Z",
      "output": "downmix-mono.mid",
      "outputSha256": "98681faf9bf4379fd1017494e820034da4d401308d61e2b4ed680a6823d44804"
    }
  ],
  "exportMethod": "Actual browser download from the live Download MIDI link; saved without re-encoding.",
  "limits": "Synthetic isolated tones only. No MIDI-to-audio export, real-song accuracy, physical phone or DAW import tested."
}