rites
v0.1.0
Published
Musical scales and tunings library
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Rites - Musical scales and tunings library
Installation
npm install rites
Example
var scale = new rites.scale.Major();
// The third degree of a major scale with root frequency at low C (65.406Hz),
// in the second octave i.e. bass E.
scale.getFrequency(2, 65.406, 1);
API Documentation
Scales
Scale
new rites.scale.Scale(degrees, [tuning=new rites.tuning.EqualTemperament(12)]);
Representation of a generic musical scale. Can be subclassed to produce specific scales.
Parameters:
- degrees -
Number[]
- Array of integer degrees - tuning -
Tuning
- The scale's tuning. Defaults to 12-tone ET.
rites.scale.Scale.prototype.getFrequency(degree, rootFrequency, octave);
Get the frequency of a note in the scale.
Parameters:
- degree -
Number
- The note's degree. - rootFrequency -
Number
- The root frequency of the scale. - octave -
Number
- The octave of the note.
Returns:
Number
- The frequency of the note in hz.
Major
new rites.scale.Major();
Major scale.
Extends:
rites.scale.Scale
Major
new rites.scale.Minor();
Representation of a generic musical tuning. Can be subclassed to produce specific tunings.
Tunings
Tuning
new rites.tuning.Tuning(semitones, [octaveRatio=2]);
Parameters:
- semitones -
Number[]
- Array of semitone values for the tuning. - octaveRatio -
Number
- Frequency ratio for notes an octave apart.
EqualTemperamentTuning
new rites.tuning.EqualTemperament(pitchesPerOctave);
Extends:
rites.scale.Scale
Parameters:
- pitchesPerOctave -
Number
The number of notes in each octave.