Intervalon 2D-Interval Explorer

Intervalon is a musical instrument software that works on a Windows PC/tablet (Win32 desktop application).
It can be played by touch/mouse/keyboard-keys.
(Playing Intervalon with Touch interface is an experience.)
And it is 2D Interval Explorer. What? 2D Interval?

The idea of 2D Interval

Intervalon is designed to be very true to it.


Getting started:

For more details, see the text file included in the folder.

License of this software

Copyright © 2015 Kazuhiko Shirai.
Intervalon is freeware. It can be used anyway.
Redistribution is prohibited.


The software is provided as is without warranty of any kind.
Use it at your own risk. The author is not responsible for any loss or damage resulting from the use or misuse of it.

Meantone the author uses most often:

7/48 meantone.
It is just in between of Pythagorean Tuning (with pure 5th) and 2/7 Meantone which is in turn just in between of 1/4 Meantone (with pure Maj.3rd) and 1/3 Meantone (with pure Min.3rd).
   7/48 = ( (1/3 + 1/4) / 2 ) / 2
It has 5th/4th and 3rds/6ths equally less pure, and sounds mixed, not simple.
(Here, Meantone is not a means to approximate to Just-Intonation singing/playing.)
From the viewpoint, 12-tone equal temperament (as a kind of Meantone) has 5th too pure, and tends to single-dimensioned-ness too much.

the author's most favorite composers:

Palestrina, Alessandro Scarlatti,  Handel,
Beethoven, Muzio Clementi,
Brahms, Mahler, Manuel de Falla, Furtwängler

by Kazuhiko Shirai.   mail:
last updated 2016/08/24.