Module: MusicUtils

Includes:
Scales
Defined in:
lib/music-utils.rb,
lib/music-utils/version.rb,
lib/music-utils/note/note.rb,
lib/music-utils/errors/error.rb,
lib/music-utils/scales/scales.rb,
lib/music-utils/errors/std_error.rb,
lib/music-utils/interval/interval.rb,
lib/music-utils/errors/note_errors.rb,
lib/music-utils/errors/interval_errors.rb

Overview

Music utils

Defined Under Namespace

Modules: Errors, Scales Classes: Interval, InvalidInterval, InvalidNote, Note, StdError

Constant Summary collapse

VERSION = 
'1.2.3'

Constants included from Scales

Scales::AUG, Scales::AUGP, Scales::CROMATIC_SCALE, Scales::DFLAT, Scales::DIATONIC_SCALE, Scales::DIATONIC_SCALE_AUX, Scales::DIM, Scales::DIMP, Scales::DO, Scales::DOF, Scales::DOFF, Scales::DOS, Scales::DOSS, Scales::DSHARP, Scales::FA, Scales::FAF, Scales::FAFF, Scales::FAS, Scales::FASS, Scales::FLAT, Scales::LA, Scales::LAF, Scales::LAFF, Scales::LAS, Scales::LASS, Scales::MAJ, Scales::MAJ_SCALE, Scales::MELODIC_MIN_SCALE, Scales::MI, Scales::MIF, Scales::MIFF, Scales::MIN, Scales::MIS, Scales::MISS, Scales::NATURAL_MIN_SCALE, Scales::PENTATONIC_MAJ, Scales::PERF, Scales::QUALITIES, Scales::RE, Scales::REF, Scales::REFF, Scales::RES, Scales::RESS, Scales::SHARP, Scales::SI, Scales::SIF, Scales::SIFF, Scales::SIS, Scales::SISS, Scales::SOL, Scales::SOLF, Scales::SOLFF, Scales::SOLS, Scales::SOLSS

Class Method Summary collapse

Methods included from Scales

cromatic_index, diatonic_aux_scale_from, diatonic_scale_from, scale_from

Class Method Details

.high_note(from, short) ⇒ Object

Returns the second note of an interval calculates from its first note and number and quality in short notation



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# File 'lib/music-utils.rb', line 31

def MusicUtils.high_note(from, short)
  Interval.high_note(from, short)
end

.number(note1, note2, step = 0) ⇒ Object

Returns the number of the interval



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# File 'lib/music-utils.rb', line 9

def MusicUtils.number(note1, note2, step = 0)
  Interval.new(note1, note2, step).number
end

.quality(note1, note2, step = 0) ⇒ Object

Returns the quality of interval



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# File 'lib/music-utils.rb', line 19

def MusicUtils.quality(note1, note2, step = 0)
  Interval.new(note1, note2, step).quality
end

.scale(from, scale) ⇒ Object

Returns a scale



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# File 'lib/music-utils.rb', line 36

def MusicUtils.scale(from, scale)
  Scales.scale(from, scale)
end

.semitones(note1, note2, step = 0) ⇒ Object

Returns semitones of interval



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# File 'lib/music-utils.rb', line 14

def MusicUtils.semitones(note1, note2, step = 0)
  Interval.new(note1, note2, step).semitones
end

.short(note1, note2, step = 0) ⇒ Object

Returns short notation



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# File 'lib/music-utils.rb', line 24

def MusicUtils.short(note1, note2, step = 0)
  Interval.new(note1, note2, step).short
end