"Power Spectrum IEC 1/1-Oct Mag - dB SPL "
      "Hz"      "Data"
        16,       -200
      31.5,   55.23746
        63,   55.18289
       125,   49.55234
       250,   56.97722
       500,   71.34457
      1000,   71.56618
      2000,    54.1182
      4000,   51.47301
      8000,    37.6091
     16000,   24.59243