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Period

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Properties of sound

The duration of one cycle is the reciprocal of frequency. Halving the period fits twice as many cycles into the same time.

Example

10 ms → 100 Hz / 5 ms → 200 Hz

Period

10 ms → 100 Hz / 5 ms → 200 Hz

Try it

Which relationship should you listen for when reading the diagram?

AnswerThe duration of one cycle is the reciprocal of frequency. Halving the period fits twice as many cycles into the same time.

Related topics

Separating pitch and loudness

References

Music Theory for the 21st-Century Classroom

Subject-expert review pending.