Categories: Intervals Equal temperament is a scheme of musical tuning in which the octave is divided into a series of equal steps (equal frequency ratios). ... Just intonation is any musical tuning in which the frequencies of notes are related by whole number ratios. ... Pythagorean tuning is a system of musical tuning in which the frequency relationships of all intervals are based on the ratio 3:2. ... Pitched musical instruments are usually based on a harmonic oscillator such as a string or a column of air. ... The cent is a unit in a logarithmic scale of relative pitch or intervals. ... UNISON logo UNISON is the largest trade union in the United Kingdom, with over 1. ... The cent is a unit in a logarithmic scale of relative pitch or intervals. ... The schisma, also spelled skhisma, is the ratio between a Pythagorean comma and a syntonic comma and equals 32805/32768, which is 1. ... The syntonic comma, also known as the comma of Didymus or Ptolemaic comma, is a small interval between two musical notes, equal to the frequency ratio 81:80, or around 21. ... The Arabian comma or Holdrian comma is a musical interval of 22. ... When you ascend by a cycle of justly tuned perfect fifths (ratio 3:2), leapfrogging 12 times, you eventually reach a note around seven octaves above the note you started on, which, when lowered to the same octave as your starting point, is 23. ... A diesis is a musical interval. ... In musical harmony, a limma is the interval whose ratio is 256:243 = 28/35. ... A quarter tone is an interval half as wide (aurally, or logarithmically) as a semitone, which is half a whole tone. ... In music, chromatic indicates the inclusion of notes not in the prevailing scale and is also used for those notes themselves (Shir-Cliff et al 1965, p. ... A diesis is a musical interval. ... In musical harmony, a limma is the interval whose ratio is 256:243 = 28/35. ... The musical interval of a half step, semitone, or minor second is the relationship between the leading tone and the first note (the root or tonic) in a major scale. ... In Music theory, the diatonic major scale (also known as the Guido scale), from the Greek diatonikos or to stretch out, is a fundamental building block of the European-influenced musical tradition. ... The musical interval of a half step, semitone, or minor second is the relationship between the leading tone and the first note (the root or tonic) in a major scale. ... A neutral second is a musical interval half-way between a minor second and a major second. ... A neutral second is a musical interval half-way between a minor second and a major second. ... In harmony, the tonus is the ratio 9:8 between a pair of frequencies or, equivalently, the ratio 8:9 between a pair of wavelengths. ... The musical interval of a major second — also called a whole-tone — is the relationship between the first note (the root or tonic) and the second note in a major scale (and also a minor scale). ... In harmony, the tonus is the ratio 9:8 between a pair of frequencies or, equivalently, the ratio 8:9 between a pair of wavelengths. ... In harmony, the tonus is the ratio 9:8 between a pair of frequencies or, equivalently, the ratio 8:9 between a pair of wavelengths. ... The musical interval of a minor third is the relationship between the first note (the root or tonic) and the third note in a minor scale. ... The musical interval of a minor third is the relationship between the first note (the root or tonic) and the third note in a minor scale. ... The musical interval of a minor third is the relationship between the first note (the root or tonic) and the third note in a minor scale. ... The musical interval of a Major third is the relationship between the first note (the root or tonic) and the third note in a major scale. ... The musical interval of a Major third is the relationship between the first note (the root or tonic) and the third note in a major scale. ... The musical interval of a Major third is the relationship between the first note (the root or tonic) and the third note in a major scale. ... The musical interval of a ditone is literally two tones, whole tones or major seconds, often called a major third. ... The perfect fourth or diatessaron, abbreviated P4, is the interval between the first note (the root or tonic) and the fourth note (subdominant) in a major scale. ... The perfect fourth or diatessaron, abbreviated P4, is the interval between the first note (the root or tonic) and the fourth note (subdominant) in a major scale. ... Just intonation tunings and scales can be described by giving an upper bound on the complexity of the harmonies admitted by the tuning or scale. ... When the twelve notes within the octave are tuned using meantone temperament, one of the fifths will be much sharper than the rest. ... The augmented fourth between C and F# forms a tritone. ... Just intonation tunings and scales can be described by giving an upper bound on the complexity of the harmonies admitted by the tuning or scale. ... When the twelve notes within the octave are tuned using meantone temperament, one of the fifths will be much sharper than the rest. ... The musical interval of a perfect fifth is the relationship between the first note (the root or tonic) and the fifth note in a major scale. ... The musical interval of a perfect fifth is the relationship between the first note (the root or tonic) and the fifth note in a major scale. ... The musical interval of a minor sixth is the relationship between the first note (the root or tonic) and the sixth note in a minor scale. ... The musical interval of a minor sixth is the relationship between the first note (the root or tonic) and the sixth note in a minor scale. ... The musical interval of a minor sixth is the relationship between the first note (the root or tonic) and the sixth note in a minor scale. ... The musical interval of a major sixth is the relationship between the first note (the root or tonic) and the sixth note in a Major scale. ... The musical interval of a major sixth is the relationship between the first note (the root or tonic) and the sixth note in a Major scale. ... The musical interval of a major sixth is the relationship between the first note (the root or tonic) and the sixth note in a Major scale. ... The musical interval of a minor seventh the first note (the root or tonic) and the seventh in a minor scale. ... The musical interval of a minor seventh the first note (the root or tonic) and the seventh in a minor scale. ... The musical interval of a minor seventh the first note (the root or tonic) and the seventh in a minor scale. ... The musical interval of a Major seventh the first note (the root or tonic) and the seventh, the leading tone, in a major scale. ... The musical interval of a Major seventh the first note (the root or tonic) and the seventh, the leading tone, in a major scale. ... In music, an octave (sometimes abbreviated 8ve or 8va) is the interval between one musical note and another with half or double the frequency. ... The word diapason is used in a number of musical contexts. ...