"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   62.89623
        63,   59.23666
       125,   52.22862
       250,     44.902
       500,    52.3099
      1000,   67.73926
      2000,   56.04748
      4000,    42.6954
      8000,   27.35164
     16000,   21.36948