The following is a list of intervals of extended meantone temperament.
These intervals constitute the standard vocabulary of intervals for the Western common practice era.
Here 12 EDO refers to the size of the interval in the temperament with 12 equal divisions of the octave, which is the most common meantone temperament in the modern era, 19 EDO to 19 equal temperament, 31 EDO to 31 equal temperament, and 50 EDO to 50 equal temperament.
Duffin writes: The other meantone correspondencies: are derived from these statements.
An augmented interval is increased by a chromatic semitone, and a diminished interval decreased.