int IL_UNISON

Unison interval label, C to C, C to C♯...

int IL_SECOND

Second interval label, C to D, C to D♭, C♭ to D♯...

int IL_THIRD

Third interval label, C to E♭, C♯ to E♯...

int IL_FOURTH

Fourth interval label, C to F, C to F♯...

int IL_FIFTH

Fifth interval label, C to G, C♯ to G♭...

int IL_SIXTH

Sixth interval label, C to A, C to A♭...

int IL_SEVENTH

Seventh interval label, C to B, C♯ to B♭...

int IL_OCTAVE

Octave interval label, C to C'...

int IL_NINTH

Ninth interval label, c to d'...

int IL_TENTH

Tenth interval label, c to e'...

int IL_ELEVENTH

Eleventh interval label, c to f'...

int IL_TWELFTH

Twelfth interval label, c to g'...

int IL_THIRTEENTH

Thirteenth interval label, c to a'...

int IL_FOURTEENTH

Fourteenth interval label, c to b'...

int IQ_PERFECT

Perfect interval quality, note that only unison, fourth, fifth and octave can be perfect.

C to C, C to F, C to G.

int IQ_MAJOR

Major interval quality, apply to second, third, sixth and seventh.

C to D, C to E, C to A, C to B

int IQ_MINOR

Minor interval quality, apply to second, third, sixth and seventh.

C to D♭, C♯ to E, C to A♭, C to B♭...

int IQ_AUGMENTED

Augmented interval quality.

C to D♯, C♭ to E, E♭ to B, C to F♯...

int IQ_DOUBLE_AUGMENTED

Double augmented interval quality.

C to F𝄪, E♭ to B♯...

int IQ_TRIPLE_AUGMENTED

Triple augmented interval quality, quite improbable but mathematically possible.

E♭ to B𝄪, E𝄫 to B♯...

int IQ_QUADRUPLE_AUGMENTED

Quadruple augmented interval quality, quite improbable but mathematically possible.

E𝄫 to B𝄪...

int IQ_DIMINISHED

Diminished interval quality.

C♯ to G, C to F♭, C to D𝄫...

int IQ_DOUBLE_DIMINISHED

Double diminished interval quality.

C♯ to G♭, C𝄪 to G, C to G𝄫...

int IQ_TRIPLE_DIMINISHED

Triple diminished interval quality, quite improbable but mathematically possible.

C♯ to G𝄫...

int IQ_QUADRUPLE_DIMINISHED

Quadruple diminished interval quality, quite improbable but mathematically possible.

Cé#x1d12a; to Gb♭...

Interval INTERVAL_DIMINISHED_UNISON

Diminished unison interval between C4 and C♭4

Interval INTERVAL_PERFECT_UNISON

Perfect unison interval

Interval INTERVAL_AUGMENTED_UNISON

Augmented unison interval between C4 and C♯4

Interval INTERVAL_DIMINISHED_SECOND_UP

Diminished second interval between C4 and D𝄫4

Interval INTERVAL_DIMINISHED_SECOND_DOWN

Descending diminished second interval between G4 and F&s;ahrp;♯4

Interval INTERVAL_MINOR_SECOND_UP

Minor second interval between C4 and D♭4

Interval INTERVAL_MINOR_SECOND_DOWN

Descending minor second interval between C4 and B3

Interval INTERVAL_MAJOR_SECOND_UP

Major second interval between C4 and D4

Interval INTERVAL_MAJOR_SECOND_DOWN

Descending major second interval between C4 and B♭3

Interval INTERVAL_AUGMENTED_SECOND_UP

Augmented second interval between C4 and D♯4

Interval INTERVAL_AUGMENTED_SECOND_DOWN

Descending augmented second interval between C4 and B𝄫3

Interval INTERVAL_DIMINISHED_THIRD_UP

Diminished third interval between C4 and E𝄫4

Interval INTERVAL_DIMINISHED_THIRD_DOWN

Descending diminished third interval between C4 and A♯3

Interval INTERVAL_MINOR_THIRD_UP

Minor third interval between C4 and E♭4

Interval INTERVAL_MINOR_THIRD_DOWN

Descending minor third interval between C4 and A3

Interval INTERVAL_MAJOR_THIRD_UP

Major third interval between C4 and E4

Interval INTERVAL_MAJOR_THIRD_DOWN

Descending major third interval between C4 and A♭3

Interval INTERVAL_AUGMENTED_THIRD_UP

Augmented third interval between C4 and E♯4

Interval INTERVAL_AUGMENTED_THIRD_DOWN

Descending augmented third interval between C4 and A𝄫3

Interval INTERVAL_DIMINISHED_FOURTH_UP

Diminished fourth interval betwwen C4 and F♭4

Interval INTERVAL_DIMINISHED_FOURTH_DOWN

Descending diminished fourth interval betwwen C4 and G♯3

Interval INTERVAL_PERFECT_FOURTH_UP

Perfect fourth interval betwwen C4 and F4

Interval INTERVAL_PERFECT_FOURTH_DOWN

Descending perfect fourth interval between C4 and G3

Interval INTERVAL_AUGMENTED_FOURTH_UP

Augmented fourth interval betwwen C4 and F♯4

Interval INTERVAL_AUGMENTED_FOURTH_DOWN

Augmented fourth interval betwwen C4 and G♭3

Interval INTERVAL_DIMINISHED_FIFTH_UP

Diminished fifth interval betwwen C4 and G♭4

Interval INTERVAL_DIMINISHED_FIFTH_DOWN

Diminished fifth interval betwwen C4 and F♯3

Interval INTERVAL_PERFECT_FIFTH_UP

Perfect fifth interval betwwen C4 and G4

Interval INTERVAL_PERFECT_FIFTH_DOWN

Descending perfect fifth interval between C4 and F3

Interval INTERVAL_AUGMENTED_FIFTH_UP

Augmented fifth interval betwwen C4 and G♯4

Interval INTERVAL_AUGMENTED_FIFTH_DOWN

Descending augmented fifth interval betwwen C4 and F♭3

Interval INTERVAL_DIMINISHED_SIXTH_UP

Diminished sixth interval between C4 and A𝄫4

Interval INTERVAL_DIMINISHED_SIXTH_DOWN

Descending diminished sixth interval between C4 and E♯3

Interval INTERVAL_MINOR_SIXTH_UP

Minor sixth interval between C4 and A♭4

Interval INTERVAL_MINOR_SIXTH_DOWN

Descending minor sixth interval between C4 and E3

Interval INTERVAL_MAJOR_SIXTH_UP

Major sixth interval between C4 and A4

Interval INTERVAL_MAJOR_SIXTH_DOWN

Descending major sixth interval between C4 and E♭3

Interval INTERVAL_AUGMENTED_SIXTH_UP

Augmented sixth interval between C4 and A♯4

Interval INTERVAL_AUGMENTED_SIXTH_DOWN

Descending augmented sixth interval between C4 and E𝄫3

Interval INTERVAL_DIMINISHED_SEVENTH_UP

Diminished seventh interval between C4 and B𝄫4

Interval INTERVAL_DIMINISHED_SEVENTH_DOWN

Descending diminished seventh interval between C4 and D♭3

Interval INTERVAL_MINOR_SEVENTH_UP

Minor seventh interval between C4 and B♭4

Interval INTERVAL_MINOR_SEVENTH_DOWN

Descending minor seventh interval between C4 and D3

Interval INTERVAL_MAJOR_SEVENTH_UP

Major seventh interval between C4 and B4

Interval INTERVAL_MAJOR_SEVENTH_DOWN

Descending major seventh interval between C4 and D♭3

Interval INTERVAL_AUGMENTED_SEVENTH_UP

Augmented seventh interval between C4 and B♯4

Interval INTERVAL_AUGMENTED_SEVENTH_DOWN

Descending augmented seventh interval between C4 and D𝄫3

Interval INTERVAL_DIMINISHED_OCTAVE_UP

Diminished octave interval between C4 and C♭5

Interval INTERVAL_DIMINISHED_OCTAVE_DOWN

Descending diminished octave interval between C4 and C♯3

Interval INTERVAL_OCTAVE_UP

Perfect octave interval between C4 and C5

Interval INTERVAL_OCTAVE_DOWN

Descending perfect octave interval between C4 and C3

Interval INTERVAL_AUGMENTED_OCTAVE_UP

Augmented octave interval between C4 and C♯5

Interval INTERVAL_AUGMENTED_OCTAVE_DOWN

Descending augmented octave interval between C4 and C♭3

Interval INTERVAL_MinOR_NINTH_UP

Up one minor ninth interval between C4 and Db5

Interval INTERVAL_MINOR_NINTH_DOWN

Down one minor ninth interval between C4 and B2

Interval INTERVAL_MAJOR_NINTH_UP

Up one major ninth interval between C4 and D5

Interval INTERVAL_MAJOR_NINTH_DOWN

Down one major ninth interval between C4 and Bb2

Interval INTERVAL_TWO_OCTAVES_DOWN

Down two octaves interval between C4 and C2

Interval INTERVAL_TWO_OCTAVES_UP

Up two octaves interval between C4 and C6