"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   63.63001
        63,   59.44129
       125,   50.62796
       250,    49.3274
       500,   57.95525
      1000,   67.97204
      2000,   45.64632
      4000,   34.25131
      8000,   30.92265
     16000,   29.66865