"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   51.95887
        63,   51.85793
       125,   49.52437
       250,   56.76134
       500,   69.87584
      1000,   69.21588
      2000,   53.91128
      4000,   53.86097
      8000,   35.01336
     16000,   21.09962