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Daria Cotocu 2023-05-24 17:57:05 +01:00
parent 811346e83d
commit ccf775e976
2 changed files with 47 additions and 13 deletions
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1
packages/core/test/solmization.test.js
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@ -1,4 +1,3 @@
/*test for issue 302 support alternative solmization types */
import { midi2note } from '../util.mjs';

59
packages/core/util.mjs
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@ -73,18 +73,53 @@ export const getFreq = (noteOrMidi) => {
*/
/* added code from here to solve issue 302*/
export const midi2note = (n,notation = 'letters') => {
const solfeggio = ['Do','Reb','Re', 'Mib','Mi','Fa', 'Solb','Sol', 'Lab', 'La', 'Sib','Si']; /*solffegio notes*/
const indian = ['Sa', 'Re', 'Ga', 'Ma', 'Pa', 'Dha', 'Ni']; /*indian musical notes, seems like they do not use flats or sharps*/
const german = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A','Hb','H']; /*german & dutch musical notes*/
const byzantine = ['Ni', 'Pab', 'Pa', 'Voub', 'Vou', 'Ga', 'Dib', 'Di', 'Keb', 'Ke', 'Zob','Zo']; /*byzantine musical notes*/
const japanese = [ 'I', 'Ro', 'Ha', 'Ni' , 'Ho' , 'He', 'To']; /*traditional japanese musical notes, seems like they do not use falts or sharps*/
const pc = notation === 'solfeggio' ? solfeggio : /*check if its is any of the following*/
notation === 'indian' ? indian :
notation === 'german' ? german :
notation === 'byzantine' ? byzantine :
notation === 'japanese' ? japanese :
['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B']; /*if not use standard version*/
export const midi2note = (n, notation = 'letters') => {
const solfeggio = ['Do', 'Reb', 'Re', 'Mib', 'Mi', 'Fa', 'Solb', 'Sol', 'Lab', 'La', 'Sib', 'Si']; /*solffegio notes*/
const indian = [
'Sa',
'Re',
'Ga',
'Ma',
'Pa',
'Dha',
'Ni',
]; /*indian musical notes, seems like they do not use flats or sharps*/
const german = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Hb', 'H']; /*german & dutch musical notes*/
const byzantine = [
'Ni',
'Pab',
'Pa',
'Voub',
'Vou',
'Ga',
'Dib',
'Di',
'Keb',
'Ke',
'Zob',
'Zo',
]; /*byzantine musical notes*/
const japanese = [
'I',
'Ro',
'Ha',
'Ni',
'Ho',
'He',
'To',
]; /*traditional japanese musical notes, seems like they do not use falts or sharps*/
const pc =
notation === 'solfeggio'
? solfeggio /*check if its is any of the following*/
: notation === 'indian'
? indian
: notation === 'german'
? german
: notation === 'byzantine'
? byzantine
: notation === 'japanese'
? japanese
: ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B']; /*if not use standard version*/
const note = pc[n % 12]; /*calculating the midi value to the note*/
const oct = Math.floor(n / 12) - 1;
return note + oct;