Octave (disambiguation)

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An octave, in music, is the interval between one musical pitch and another with half or double its frequency.

Octave may also refer to:


  • GNU Octave, a program for performing numerical analysis, mostly compatible with MATLAB
  • OCTAVE, an information security assessment approach developed by Carnegie Mellon University used in IT risk management




  • Octave (electronics), a doubling or halving of frequency, in physics and engineering
  • Law of Octaves, a concept from the history of the development of the periodic table of chemical elements
  • An early term for octonion in algebra

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