Octave (electronics)

In electronics, an octave (symbol: oct) is a logarithmic unit for ratios between frequencies, with one octave corresponding to a doubling of frequency. For example, the frequency one octave above 40 Hz is 80 Hz. The term is derived from the Western musical scale where an octave is a doubling in frequency.^{[note 1]} Specification in terms of octaves is therefore common in audio electronics.

Along with the decade, it is a unit used to describe frequency bands or frequency ratios.^[1]^[2]

Cite error: There are <ref group=note> tags on this page, but the references will not show without a {{reflist|group=note}} template (see the help page).

^ Levine, William S. (2010). The Control Handbook: Control System Fundamentals, p. 9–29. ISBN 9781420073621/ISBN 9781420073669.
^ Perdikaris, G. (1991). Computer Controlled Systems: Theory and Applications, p. 117. ISBN 9780792314226.

[2] Levine, William S. (2010). The Control Handbook: Control System Fundamentals, p. 9–29. ISBN 9781420073621/ISBN 9781420073669.

[3] Perdikaris, G. (1991). Computer Controlled Systems: Theory and Applications, p. 117. ISBN 9780792314226.

[note 1]

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