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Collection of various tools related to sound in any form - from pure physics to the music theory. Let's experiment, discover, learn and have big fun.

Music intervals

Below is a table of basic musical intervals. In addition to the name of the interval and the number of halftones  you will find a short name and an example built on C note. After that, intervals are grouped into perfect consonances, imperfect consonances and dissonances.

Perfect consonances
Interval nameNumber of semitonesShort nameExample
perfect unison0P1c-c
perfect fourth5P4c-f
perfect fifth7P5c-g
perfect octave12P8c-c1
Imperfect consonances
Interval nameNumber of semitonesShort nameExample
minor third3m3c-d#
major third4M3c-e
minor sixth8m6c-g#
major sixth9M6c-a
minor tenth15m10c-d1#
major tenth16M10c-e1
minor thirteenth20m13c-g1#
major thirtheenth21M13c-a1
Interval nameNumber of semitonesShort nameExample
minor second1m2c-c#
major second2M2c-d
minor third3m3c-d#
minor seventh10m7c-a#
major seventh11M7c-b
minor ninth13m9c-c1#
major ninth14M9c-d1
perfect eleventh17P11c-f1
augmented eleventh18A11c-f1#
perfect twelfth (tritave)19P12c-g1
minor thirteenth22m14c-a1#
major thirteenth23M14c-b1 is a website where you can explore the enchating world of sounds and compositions. The site is divided into modules and categories which refers to diffrent aspects of sound world. Here you can find easy and useful tools for musicans (online guitar tuner) or get to know how to play chords that may seem difficult to play at first. You can also familiaraze with concepts of musical theory. If you are into technical issues, there is also a subpage about contruction of various musical instruments and how various sounds are generated. How about seeing graph of your own voice scale on oscillscope or spectrum analyzer? Take your time to discover things that you haven't known about music before. Listen carefully and enjoy!