"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   51.27754
        63,   53.68859
       125,   48.82338
       250,     46.142
       500,   57.51148
      1000,    77.1613
      2000,   52.50388
      4000,   32.69495
      8000,   31.26457
     16000,   19.41767