Octave to Decade and Slopes : dB/Octave to dB/Decade

Octave to Decade and Decades to Octave
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  • octave to decade & dB/octave to dB/decade

    Frequency intervals can be defined in Octaves or Decades:

  • An Octave is where the frequency halves or doubles (by a factor of 2) i.e. 400Hz to 800 Hz
  • A Decade is where the frequency increases or decreses by a factor of 10 i.e. 5 Hz to 50 Hz

    Slopes can be defined as either dB/octave or dB/decade

  • Note : 20dB/decade ≈ 6.0205999132796 dB/octave


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