Beats are the audible pulsations of an interval or unison.

A beat rate is the count of pulsations per second.

1 beat per second (bps) is equal to 1 Hz,which at A440 is approximately 4 cents. e.g.A439is1Hz flat, and A438 is 2 Hz flat or 8 cents flat.

A false beat is a pulsation in a single string, usually due to poor scaling or termination points in the string.

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A cent is a unit of measurement between two frequencies. An equally tempered semitone (the interval between two adjacent piano keys) spans 100 cents by definition. An octave spans twelve semitones and

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