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move solmization logic from midi2note to sol2note

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This commit is contained in:
Felix Roos 2023-06-11 19:55:24 +02:00
parent 623661f8d2
commit 190fe37a9f
2 changed files with 71 additions and 77 deletions
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122
packages/core/util.mjs
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@ -67,78 +67,16 @@ export const getFreq = (noteOrMidi) => {
return midiToFreq(noteToMidi(noteOrMidi));
};
/* added code from here to solve issue 302*/
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 english = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B']
export const sol2note = (n, notation = 'letters') => {
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
: english; /*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;
};
const pcs = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'];
/**
* @deprecated only used in workshop atm
* @deprecated only used in workshop (first-notes)
* @noAutocomplete
*/
export const midi2note = (n, notation = 'letters') => {
export const midi2note = (n) => {
const oct = Math.floor(n / 12) - 1;
//return note + oct;
const pc = pcs[n % 12];
return pc + oct;
};
/*testing if the function works by using the file solmization.test.mjs
in the test folder*/
// modulo that works with negative numbers e.g. _mod(-1, 3) = 2. Works on numbers (rather than patterns of numbers, as @mod@ from pattern.mjs does)
export const _mod = (n, m) => ((n % m) + m) % m;
@ -277,3 +215,59 @@ export const splitAt = function (index, value) {
export const zipWith = (f, xs, ys) => xs.map((n, i) => f(n, ys[i]));
export const clamp = (num, min, max) => Math.min(Math.max(num, min), max);
/* solmization, not used yet */
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 english = ['C', 'Db', 'D', 'Eb', 'E', 'F', 'Gb', 'G', 'Ab', 'A', 'Bb', 'B'];
export const sol2note = (n, notation = 'letters') => {
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
: english; /*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;
};