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3.4: Octave Groupings

Understanding Sound From Ear to Engineer · LibreTexts

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    From LibreTexts, under CC BY-SA 4.0, as the source states it; its equations are written in TeX, which the PDF shows typeset. This page at LibreTexts.

    Octave Groupings

    In music and acoustics, an octave represents a doubling of frequency. For example:

    • 100 Hz → one octave higher = 200 Hz.
    • 200 Hz → one octave higher = 400 Hz.

    The octave system allows classification of sound frequencies into manageable bands. Human perception of pitch is logarithmic, making octave divisions useful in both music and sound engineering.

    This page titled 3.4: Octave Groupings was last modified on Fri, 01 May 2026 02:54:57 GMT and is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Geoffrey Dunbar.