Noun
(music) The correct sounding of notes or intervals; true pitch.
(music) The giving all chords and intervals in their purity or their exact mathematical ratio, or without temperament; a process in which the number of notes and intervals required in the various keys is much greater than the twelve to the octave used in systems of temperament.
Source: en.wiktionary.orgAlthough this tuning system is based on a just ratio (5:4), it cannot be considered a just intonation system, because most of its intervals are irrational numbers (i.e. they cannot be expressed as fractions of integers). Source: Internet
Audio examples About this sound Just intonation ( help · info ) An A-major scale, followed by three major triads, and then a progression of fifths in just intonation. Source: Internet
For instance, if a piano is tuned in just intonation intervals and a minimum of wolf intervals for the key of G, then only one other key (typically E-flat) can have the same intervals, and many of the keys have a very dissonant and unpleasant sound. Source: Internet
"Meantone" can receive the following equivalent definitions: * The meantone is the mean between the major whole tone (9/8 in just intonation) and the minor whole tone (10/9 in just intonation). Source: Internet
For many instruments tuned in just intonation, one cannot change keys without retuning the instrument. Source: Internet
Hence, using tempered timbres, one can achieve a degree of consonance, in any tempered tuning, that is comparable to the consonance achieved by the combination of just intonation tuning and harmonic timbres. Source: Internet