// Note coordinates [octave, fifth] relative to C
module.exports = {
notes: {
c: [0, 0],
d: [-1, 2],
e: [-2, 4],
f: [1, -1],
g: [0, 1],
a: [-1, 3],
b: [-2, 5],
h: [-2, 5]
},
intervals: {
unison: [0, 0],
second: [3, -5],
third: [2, -3],
fourth: [1, -1],
fifth: [0, 1],
sixth: [3, -4],
seventh: [2, -2],
octave: [1, 0]
},
intervalFromFifth: ['second', 'sixth', 'third', 'seventh', 'fourth',
'unison', 'fifth'],
intervalsIndex: ['unison', 'second', 'third', 'fourth', 'fifth',
'sixth', 'seventh', 'octave', 'ninth', 'tenth',
'eleventh', 'twelfth', 'thirteenth', 'fourteenth',
'fifteenth'],
// linear index to fifth = (2 * index + 1) % 7
fifths: ['f', 'c', 'g', 'd', 'a', 'e', 'b'],
accidentals: ['bb', 'b', '', '#', 'x'],
sharp: [-4, 7],
A4: [3, 3],
durations: {
'0.25': 'longa',
'0.5': 'breve',
'1': 'whole',
'2': 'half',
'4': 'quarter',
'8': 'eighth',
'16': 'sixteenth',
'32': 'thirty-second',
'64': 'sixty-fourth',
'128': 'hundred-twenty-eighth'
},
qualityLong: {
P: 'perfect',
M: 'major',
m: 'minor',
A: 'augmented',
AA: 'doubly augmented',
d: 'diminished',
dd: 'doubly diminished'
},
alterations: {
perfect: ['dd', 'd', 'P', 'A', 'AA'],
minor: ['dd', 'd', 'm', 'M', 'A', 'AA']
},
symbols: {
'min': ['m3', 'P5'],
'm': ['m3', 'P5'],
'-': ['m3', 'P5'],
'M': ['M3', 'P5'],
'': ['M3', 'P5'],
'+': ['M3', 'A5'],
'aug': ['M3', 'A5'],
'dim': ['m3', 'd5'],
'o': ['m3', 'd5'],
'maj': ['M3', 'P5', 'M7'],
'dom': ['M3', 'P5', 'm7'],
'ø': ['m3', 'd5', 'm7'],
'5': ['P5']
},
chordShort: {
'major': 'M',
'minor': 'm',
'augmented': 'aug',
'diminished': 'dim',
'half-diminished': '7b5',
'power': '5',
'dominant': '7'
},
stepNumber: {
'unison': 1,
'first': 1,
'second': 2,
'third': 3,
'fourth': 4,
'fifth': 5,
'sixth': 6,
'seventh': 7,
'octave': 8,
'ninth': 9,
'eleventh': 11,
'thirteenth': 13
},
// Adjusted Shearer syllables - Chromatic solfege system
// Some intervals are not provided for. These include:
// dd2 - Doubly diminished second
// dd3 - Doubly diminished third
// AA3 - Doubly augmented third
// dd6 - Doubly diminished sixth
// dd7 - Doubly diminished seventh
// AA7 - Doubly augmented seventh
intervalSolfege: {
'dd1': 'daw',
'd1': 'de',
'P1': 'do',
'A1': 'di',
'AA1': 'dai',
'd2': 'raw',
'm2': 'ra',
'M2': 're',
'A2': 'ri',
'AA2': 'rai',
'd3': 'maw',
'm3': 'me',
'M3': 'mi',
'A3': 'mai',
'dd4': 'faw',
'd4': 'fe',
'P4': 'fa',
'A4': 'fi',
'AA4': 'fai',
'dd5': 'saw',
'd5': 'se',
'P5': 'so',
'A5': 'si',
'AA5': 'sai',
'd6': 'law',
'm6': 'le',
'M6': 'la',
'A6': 'li',
'AA6': 'lai',
'd7': 'taw',
'm7': 'te',
'M7': 'ti',
'A7': 'tai',
'dd8': 'daw',
'd8': 'de',
'P8': 'do',
'A8': 'di',
'AA8': 'dai'
}
};