A Dictionary of Phonetics and Phonology
n. The quantity representing the number of complete cycles (sense 1) (oscillations) performed by a given wave per unit time, commonly expressed in Hertz (Hz) and represented by the symbol f.
For example, a vibrating violin string that is making 400 complete vibrations in one second is vibrating at 400 Hz. Generally speaking, the higher the frequency of a sound wave, the higher the pitch of the perceived sound, though the relationship is not linear.
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