"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   57.63139
        63,   54.50347
       125,   47.35794
       250,   38.69434
       500,   59.15239
      1000,   52.41982
      2000,   47.08136
      4000,   49.04778
      8000,   39.39967
     16000,   23.49334