"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,    56.9924
        63,   60.51355
       125,   56.10201
       250,   57.92348
       500,   70.80623
      1000,   71.64574
      2000,    52.5473
      4000,   42.34153
      8000,   27.57912
     16000,    18.6484