A cent is a unit of measurement for intervals and is defined as 1/1200th of an octavePitches an octave apart have a 1:2 (“one-to-two”) frequency ratio. If one pitch is at 200 Hz, a pitch an octave higher is at 400 Hz. A pitch an octave lower is at 100 Hz.Visit the link to learn more.

Most people can begin to hear the difference between pitches that are about two cents apart, although beatingWhen two tones are very close together, they create a rhythmic pulsing related to the difference in frequency between the two tones. The closer the frequencies are to each other, the slower the tempo of the beating.Visit the link to learn more can be heard at smaller differences if the pitches are simultaneous.


12-TET(EDO), The Dastgah Concept in Persian Music, Make your own tuning