{
  "version": 2,
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      "representation": "prepared FLOAT WAV; resample overshoot is not proof of ADC clipping"
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      "source": "female_ordinary",
      "mean_dc": -6.512744885655076e-07,
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      "fixture": "s3_1_snr15",
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      "measured_snr_db": {
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      "mask": "same fixed source-energy mask as stimulus preparation"
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      "fixture": "s3_1_snr5",
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      "measured_snr_db": {
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        "80_8000_hz": -4.855277058415234,
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      "mask": "same fixed source-energy mask as stimulus preparation"
    },
    {
      "fixture": "s3_2_keyboard",
      "nominal_snr_db": 10,
      "measured_snr_db": {
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      "mask": "same fixed source-energy mask as stimulus preparation"
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    {
      "fixture": "s3_3_babble",
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      "measured_snr_db": {
        "full_band": 4.999999421744432,
        "80_8000_hz": -4.767596466204748,
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      "mask": "same fixed source-energy mask as stimulus preparation"
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    {
      "fixture": "s7_3_noise",
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      "measured_snr_db": {
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      "mask": "same fixed source-energy mask as stimulus preparation"
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    {
      "run": "id-8e5b62828f8c42",
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      "checkpoint": "input",
      "below_80_hz_energy_fraction": 0.9633908571004018,
      "mean_dc": -0.01421748596229479,
      "scope": "one baseline capture; same FFT energy method"
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    {
      "run": "id-8e5b62828f8c42",
      "fixture": "s7_1_clean",
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      "mean_dc": 4.835878639011826e-07,
      "scope": "one baseline capture; same FFT energy method"
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    {
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      "mean_dc": 4.835878639011826e-07,
      "scope": "one baseline capture; same FFT energy method"
    },
    {
      "run": "id-8e5b62828f8c42",
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      "mean_dc": 5.326009308808174e-08,
      "scope": "one baseline capture; same FFT energy method"
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    {
      "run": "id-8b526a06b37a5c",
      "fixture": "s2_1_ordinary",
      "checkpoint": "input",
      "below_80_hz_energy_fraction": 0.8925068256603423,
      "mean_dc": -0.019606864697571703,
      "scope": "one baseline capture; same FFT energy method"
    },
    {
      "run": "id-8b526a06b37a5c",
      "fixture": "s2_1_ordinary",
      "checkpoint": "chrome",
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      "mean_dc": -1.075138870043618e-05,
      "scope": "one baseline capture; same FFT energy method"
    },
    {
      "run": "id-8b526a06b37a5c",
      "fixture": "s2_1_ordinary",
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      "mean_dc": -1.075138870043618e-05,
      "scope": "one baseline capture; same FFT energy method"
    },
    {
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      "fixture": "s2_1_ordinary",
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      "mean_dc": -1.0781288146972656e-05,
      "scope": "one baseline capture; same FFT energy method"
    }
  ],
  "method": "Known clean component subtracted from the immutable mixture; common headroom gain cancels. Fourth-order Butterworth bands are analysis-only.",
  "limitations": "Nominal SNR uses full-band source RMS, including low-frequency energy. Band-limited SNR is a separate descriptive metric, not a new stimulus or perceptual quality score.",
  "audio_modified": false,
  "asr_runs": 0
}