Hertz

Hertz Definition - What is Hertz?

Hertz (Hz) is the unit for measuring how many "cycles" a signal goes through per second. For example, CRT ("tube") style TVs and computer monitors use Hertz (abbreviated as Hz.) to measure the number of times the screen can be refreshed every second. A 60Hz monitor refreshes a maximum of 60 times per second. In audio, Hz is used to measure the wavelength of a sound. The closer together each peak of an audio wave is, the higher the frequency. Low frequencies result in low ("bassy") audio and high frequencies result in high pitched audio.

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