#define SUP "<span font='33' rise='30000'>"
#define PUS "</span>"
- struct { modified_degree_t degrees[3]; const char *name; } triads[] = {
+ struct { modified_degree_t degrees[3]; const char *name; } trichords[] = {
+ /* Triads */
{ {{1, 0}, {3, +1}, {5, 0}}, "sus" },
{ {{1, 0}, {3, 0}, {5, +1}}, SUP "+" PUS },
{ {{1, 0}, {3, 0}, {5, 0}}, "" },
{ {{1, 0}, {3, -1}, {5, 0}}, "m" },
{ {{1, 0}, {3, -1}, {5, -1}}, "°" },
- { {{1, 0}, {2, 0}, {5, 0}}, "msus2" }
+ { {{1, 0}, {2, 0}, {5, 0}}, "msus2" },
+ /* Seventh chords with no 3rd */
+ { {{1, 0}, {5, +1}, {7, 0}}, SUP "+M7" PUS },
+ { {{1, 0}, {5, +1}, {7, -1}}, SUP "+7" PUS },
+ { {{1, 0}, {5, 0}, {7, 0}}, "M7" },
+ { {{1, 0}, {5, 0}, {7, -1}}, "7" },
+ { {{1, 0}, {5, -1}, {7, -1}}, "7♭5" },
+ /* Seventh chords with no 5th */
+ { {{1, 0}, {4, 0}, {7, 0}}, "M7sus" },
+ { {{1, 0}, {4, 0}, {7, -1}}, "7sus" },
+ { {{1, 0}, {3, 0}, {7, 0}}, "M7" },
+ { {{1, 0}, {3, 0}, {7, -1}}, "7" },
+ { {{1, 0}, {3, -1}, {7, 0}}, "m" SUP "M7" PUS },
+ { {{1, 0}, {3, -1}, {7, -1}}, "m7" },
+ { {{1, 0}, {2, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {7, -1}}, "m7sus2" },
};
struct { modified_degree_t degrees[4]; const char *name; } tetrachords[] = {
/* Sixth chords */
{ {{1, 0}, {4, 0}, {5, 0}, {6, 0}}, "6sus" },
- { {{1, 0}, {3, 0}, {5, 0}, {6, 0}}, "6" },
+ { {{1, 0}, {3, 0}, {5, 0}, {6, 0}}, "6" }, /* Ambiguous with m7 */
{ {{1, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6" },
{ {{1, 0}, {2, 0}, {5, 0}, {6, 0}}, "m6sus2" },
/* Seventh chords */
{ {{1, 0}, {3, -1}, {5, -1}, {7, -2}}, "°" SUP "7" PUS },
{ {{1, 0}, {2, 0}, {5, 0}, {7, 0}}, "m" SUP "M7" PUS "sus2" },
{ {{1, 0}, {2, 0}, {5, 0}, {7, -1}}, "m7sus2" },
- { {{1, 0}, {2, 0}, {5, -1}, {7, 0}}, "m°" SUP "M7" PUS "sus2" },
- { {{1, 0}, {2, 0}, {5, -1}, {7, -1}}, "m𝆩" SUP "7" PUS "sus2" },
- { {{1, 0}, {2, 0}, {5, -1}, {7, -2}}, "m°" SUP "7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {5, -1}, {7, 0}}, "°" SUP "M7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {5, -1}, {7, -1}}, "𝆩" SUP "7" PUS "sus2" },
+ { {{1, 0}, {2, 0}, {5, -1}, {7, -2}}, "°" SUP "7" PUS "sus2" }, /* Ambiguous with 7 */
/* Ninth chords voiced with no 5th */
{ {{1, 0}, {9, 0}, {4, 0}, {7, 0}}, "M9sus" },
{ {{1, 0}, {9, 0}, {4, 0}, {7, -1}}, "9sus" },
struct { modified_degree_t degrees[5]; const char *name; } pentachords[] = {
/* Sixth plus 9 */
{ {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {6, 0}}, "6/9" },
- { {{1, 0}, {9, 0}, {3, 0}, {5, 0}, {6, 0}}, "m6/9" },
+ { {{1, 0}, {9, 0}, {3, -1}, {5, 0}, {6, 0}}, "m6/9" },
+ { {{1, 0}, {9, -1}, {3, -1}, {5, 0}, {6, 0}}, "m6/♭9" },
/* Seventh plus altered 9 */
{ {{1, 0}, {9, +1}, {3, 0}, {5, 0}, {7, -1}}, "7♯9" },
{ {{1, 0}, {9, -1}, {3, 0}, {5, 0}, {7, -1}}, "7♭9" },
}
break;
case 3:
- for (i = 0; i < ARRAY_SIZE (triads); i++) {
+ for (i = 0; i < ARRAY_SIZE (trichords); i++) {
if (_chord_signature_matches (notes, num_notes,
- triads[i].degrees, 3,
+ trichords[i].degrees, 3,
inversion, &root))
{
- chord_name = triads[i].name;
+ chord_name = trichords[i].name;
goto CHORD_NAME_KNOWN;
}
}