convert

Methods

# (static) cents_to_interval(interval, roundopt) → {Number}

Source:

• edo.js, line 432

let edo = new EDO(24) // define a tuning with 24 divisions of the octave
edo.convert.cents_to_interval(6)
//returns 2

# (static) cents_to_ratio(cents) → {Number}

Source:

• edo.js, line 447

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.cents_to_ratio(700)
// returns 1.4983070768766815

# (static) freq_to_midi(hz) → {Object}

Source:

• edo.js, line 500

let edo = new EDO()
edo.convert.freq_to_midi(445)
//returns
{ midi: 69, cents: 20 }

# (static) interval_to_cents(interval) → {Number}

Source:

• edo.js, line 521

let edo = new EDO(17) // define a tuning with 17 divisions of the octave
edo.convert.interval_to_cents(6)
//returns 423.5294117647059

# (static) interval_to_ratio(interval) → {Number}

Source:

• edo.js, line 534

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.interval_to_ratio(7)
// returns 1.4983070768766815

# (static) intervals_to_pitches(intervals, starting_pitchopt, moduloopt) → {Array.<Number>|Array.<Array.<Number>>}

Source:

• edo.js, line 551

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.intervals_to_pitches([2,3])
//returns [ 0, 2, 5 ]

# (static) intervals_to_scale(intervals) → {Number}

Source:

• edo.js, line 578

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.intervals_to_scale([2, 2, 1, 2, 2, 2, 1])
// returns [0,2,4,5,7,9,11]

# (static) midi_to_freq(note_number, offsetopt, Aopt) → {Array.<Number>|Number}

Source:

• edo.js, line 642

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.midi_to_freq(69) //returns 440
edo.convert.midi_to_freq([69,70]) //returns [ 440, 466.1637615180899 ]

# (static) midi_to_intervals(midi) → {Array.<Number>}

Source:

• edo.js, line 596

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.midi_to_intervals([60,64,57,61])
//returns [ 4, -7, 4 ]

# (static) midi_to_name(note_number, offset) → {Array.<String>|String}

Source:

• edo.js, line 613

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.midi_to_name([60,62])
//returns ["C4","D4"]

# (static) name_to_scale(name) → {Scale}

Source:

• edo.js, line 656

let edo = new EDO(12) // define a tuning system
edo.convert.name_to_scale('12-1387')
//returns Scale object corresponding to the diatonic scale

# (static) pc_to_name(pc) → {String}

Source:

• edo.js, line 683

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.pc_to_name(4)
//returns "E"

# (static) pitches_to_freq(note_number, freq_0opt) → {Array.<Number>|Number}

Source:

• edo.js, line 709

# (static) pitches_to_PCs(pitches) → {Array.<Number>}

Source:

• edo.js, line 725

let edo = new EDO(12) // define a tuning system with 12 divisions of the octave
edo.convert.pitches_to_PCs([0,2,12,-2,7])
//returns [0,2,0,10,7]

# (static) ratio_to_cents(ratio) → {Number}

Source:

• edo.js, line 738

let edo = new EDO(12) // define a tuning system
edo.convert.ratio_to_cents(5/4)
//returns 386.3137138648348

# (static) ratio_to_interval(ratio, toleranceopt) → {Array.<Number>}

Source:

• edo.js, line 757

let edo = new EDO(12) // define a tuning system
edo.convert.ratio_to_interval(3/2)
//[7]

let edo = new EDO(12) // define a tuning system
edo.convert.ratio_to_interval(5/4,20) //increased the default tolerance (default 10 won't accept IC 4)
//returns [4]

# (static) to_steps(lst, cacheopt) → {Array.<Number>}

Source:

• edo.js, line 778

let edo = new EDO(12) // define a tuning system
edo.convert.to_steps([0,2,4,5,7,9,11])
//returns [ 2, 2, 1, 2, 2, 2 ]