{
  "sample_rate": 48000,
  "input_samples": 550662,
  "output_samples": 550662,
  "input_quiet_rms_dbfs": -32.03957070330872,
  "output_quiet_rms_dbfs": -68.2266071536562,
  "input_snr_db": 15.120383653785474,
  "output_snr_db": 23.818894416101394,
  "note": "Synthetic white noise and OS speech; SNR against clean reference on this sample only. No perceptual/real-recording benchmark."
}