syntonic
Adjective
Meaning
(psychology) In harmony or synergy with one's personality and milieu.
Antonym: dystonic
(physics, of oscillating systems) Having the same frequency.
Source: en.wiktionary.orgExamples
All meantone temperaments fall on the syntonic temperament 's tuning continuum, citation and as such are "syntonic tunings".
A similar system was devised by Carl Eitz and used in Barbour (1951) in which Pythagorean notes are started with and positive or negative superscript numbers are added indicating how many commas (81/80, syntonic comma) to adjust by.
For instance, if one decreases by a syntonic comma (81:80) the frequency of E, C-E (a major third), and E-G (a minor third) become just.
Originally a system of notation to describe scales was devised by Hauptmann and modified by Helmholtz (1877) in which Pythagorean notes are started with and subscript numbers are added indicating how many commas (81/80, syntonic comma) to lower by.
In 2007, the discovery of the syntonic temperament exposed the Pythagorean tuning as being a point on the syntonic temperament's tuning continuum.
Johnston‘s method is based on a diatonic C Major scale tuned in JI, in which the interval between D (9/8 above C) and A (5/3 above C) is one syntonic comma less than a Pythagorean perfect fifth 3:2.