"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   55.54862
        63,   54.11186
       125,   46.83722
       250,   45.31304
       500,   57.28185
      1000,   55.18428
      2000,   53.63767
      4000,   46.13727
      8000,   38.45854
     16000,     22.243