"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,    56.4744
        63,   55.38341
       125,   51.62683
       250,   50.26897
       500,   57.24967
      1000,    57.0465
      2000,   57.89986
      4000,   47.84611
      8000,    34.0719
     16000,    25.9675