"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   57.80164
        63,   52.65802
       125,   43.92709
       250,   47.40749
       500,   64.57339
      1000,    66.6804
      2000,   49.38302
      4000,   38.88923
      8000,    22.1583
     16000,   19.36294