Fundamental frequency
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The fundamental frequency, often referred to simply as the fundamental, is defined as the lowest frequency of a periodic waveform. In music, the fundamental is the musical pitch of a note that is perceived as the lowest partial present. In terms of a superposition of sinusoids, the fundamental frequency is the lowest frequency sinusoidal in the sum of harmonically related frequencies, or the frequency of the difference between adjacent frequencies. In some contexts, the fundamental is usually abbreviated as Template:Var0, indicating the lowest frequency counting from zero.
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See also
- Greatest common divisor
- Hertz
- Missing fundamental
- Natural frequency
- Oscillation
- Harmonic series (music)#Terminology
- Pitch detection algorithm
- Scale of harmonics
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