"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   59.55188
        63,   59.30064
       125,   46.20589
       250,   52.49137
       500,   70.23039
      1000,    71.5035
      2000,   57.83342
      4000,   56.02956
      8000,   40.72874
     16000,   29.04122