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wip: new voicing function

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This commit is contained in:
Felix Roos 2023-07-08 12:41:17 +02:00
parent 9438c69bed
commit 110e179e9e
4 changed files with 57 additions and 1 deletions
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7
packages/tonal/test/tonleiter.test.mjs
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@ -55,6 +55,8 @@ describe('tonleiter', () => {
expect(pc2chroma('D')).toBe(2);
expect(pc2chroma('Db')).toBe(1);
expect(pc2chroma('Dbb')).toBe(0);
//lowercase
// expect(pc2chroma('c')).toBe(0); // TODO
});
test('rotateChroma', () => {
expect(rotateChroma(0, 1)).toBe(1);
@ -80,6 +82,7 @@ describe('tonleiter', () => {
expect(note2pc('C5')).toBe('C');
// expect(note2pc('C52')).toBe('C'); // <- 2 digits fail
expect(note2pc('Bb3')).toBe('Bb');
//expect(note2pc('F')).toBe('F'); // <- fails
});
test('note2oct', () => {
expect(note2oct('C5')).toBe(5);
@ -103,10 +106,12 @@ describe('tonleiter', () => {
const voicingDictionary = {
m7: [
'3 7 10 14', // b3 5 b7 9
'10 14 5 19', // b7 9 b3 5
'10 14 15 19', // b7 9 b3 5
],
};
expect(voiceBelow('Bb4', 'Em7', voicingDictionary)).toEqual(['G3', 'B3', 'D4', 'Gb4']);
expect(voiceBelow('D5', 'Cm7', voicingDictionary)).toEqual(['Eb4', 'G4', 'Bb4', 'D5']);
expect(voiceBelow('G5', 'Cm7', voicingDictionary)).toEqual(['Bb4', 'D5', 'Eb5', 'G5']);
// expect(voiceBelow('G4', 'Cm7', voicingDictionary)).toEqual(['Bb3', 'D4', 'Eb4', 'G4']);
});
});