Music & Acoustics

Basic

Frequency and Period

Frequency is the reciprocal of the wave's period.

Formula

f = \frac{1}{T}

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Variables

fFrequency (Hz)

TPeriod (s)

Example

T = 0.002 s: f = 500 Hz

Did You Know?

Humans hear roughly 20 Hz to 20,000 Hz — periods from 50 ms down to 50 microseconds.

music frequency period

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