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What is an octave?

April 26, 2017Octave

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What is an octave?

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An Octave is the difference between one musical note and another that has half or double the frequency. Ex: 1500 Hz and 3000 Hz are one octave apart. There are 9 octaves, with the first (Octave 0) being 32.7-61.7 Hz and the last (Octave 8) at 8372-15804 Hz. Since human hearing is 20-20,000 Hz, these octaves do not represent the full range of perceived sound. A good car or professional equalizer will have 31 bands from 20 – 20,000 (20 doubled 10 times is 20,480), with each band being 1/3 of an octave.