"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,    57.3273
        63,   54.24868
       125,   54.24326
       250,   49.78417
       500,   57.43007
      1000,   74.87595
      2000,    51.9676
      4000,   38.45978
      8000,   29.52018
     16000,   21.10103