Name
This interval is called: Diminished duodecime
Abbreviation
You can use the somewhat shorter name "d12" to indicate a Diminished duodecime.
Chord name
Flat fifth
for iOS and Android
Construct
How to build a diminished duodecime interval?
To construct an interval correctly you must always use two steps.
- Count the amount of naturals used
- Count the steps between de two notes
At first, and with easy intervals, this may seem unnecessary, but when advancing to more dificult intervals and musical keys they will become more mandatory.
The following example is for a diminished duodecime from C3. Outcome: Gb4
1.
A Diminished duodecime uses
12 naturals.
Example: C3 ↠ D3 ↠ E3 ↠ F3 ↠ G3 ↠ A3 ↠ B3 ↠ C4 ↠ D4 ↠ E4 ↠ F4 ↠ G4
Example: C3 ↠ D3 ↠ E3 ↠ F3 ↠ G3 ↠ A3 ↠ B3 ↠ C4 ↠ D4 ↠ E4 ↠ F4 ↠ G4
2.
A Diminished duodecime has
18 semitones between the notes.
Example: C3 ↠ Db3 ↠ D3 ↠ Eb3 ↠ E3 ↠ F3 ↠ Gb3 ↠ G3 ↠ Ab3 ↠ A3 ↠ Bb3 ↠ B3 ↠ C4 ↠ Db4 ↠ D4 ↠ Eb4 ↠ E4 ↠ F4 ↠ Gb4
Example: C3 ↠ Db3 ↠ D3 ↠ Eb3 ↠ E3 ↠ F3 ↠ Gb3 ↠ G3 ↠ Ab3 ↠ A3 ↠ Bb3 ↠ B3 ↠ C4 ↠ Db4 ↠ D4 ↠ Eb4 ↠ E4 ↠ F4 ↠ Gb4
Cheatsheet
Tranposed for each note
You can use the following cheatsheet to check the Diminished duodecime for
each root note.
Cb3 ↠ Gbb4
C3 ↠ G4
C3 ↠ Gb4
C3 ↠ G4
C#3 ↠ G4
C3 ↠ G4
Db3 ↠ Abb4
D3 ↠ A4
D3 ↠ Ab4
D3 ↠ A4
D#3 ↠ A4
D3 ↠ A4
Eb3 ↠ Bbb4
E3 ↠ B4
E3 ↠ Bb4
E3 ↠ B4
E#3 ↠ B4
E3 ↠ B4
Fb3 ↠ Cbb5
F3 ↠ C5
F3 ↠ Cb5
F3 ↠ C5
F#3 ↠ C5
F3 ↠ C5
Gb3 ↠ Dbb5
G3 ↠ D5
G3 ↠ Db5
G3 ↠ D5
G#3 ↠ D5
G3 ↠ D5
Ab3 ↠ Ebb5
A3 ↠ E5
A3 ↠ Eb5
A3 ↠ E5
A#3 ↠ E5
A3 ↠ E5
Bb3 ↠ Fb5
B3 ↠ F5
B3 ↠ F5
B3 ↠ F5
B#3 ↠ F#5
B3 ↠ F5