call.py

import melete.lyrics as Lyrics
import melete.rhythm as Rhythm
import melete.chord as Chord
import melete.melody as Melody

# 4/4拍子
ts = Rhythm.TimeSignature(4, 2)

# リズムパターン
rhythms = [[0], [0, 96], [48, 96, 144], [0, 48, 96, 144], [0, 24, 48, 96, 144]]
tree = Rhythm.RhythmTree(48, 1, ts, rhythms)

# 歌詞とリズムを合体
text = u'八ツ橋 を 粉状 に なる まで すりつぶ す===粉状 に したもの に ねっと うを 加え混ぜ る'
lyrics = Lyrics.analyze(text) #歌詞の形態素とイントネーションを調べる
lyrics = map(lambda l: Lyrics.divide(l['phoneme'], tree), lyrics)
beats = map(lambda l: Lyrics.pair(l, tree), lyrics)

# コード進行
c = Chord.Chord.from_name('C')
f = Chord.Chord.from_name('F')
f.inversion(1)
g = Chord.Chord.from_name('G')
g.inversion(1)
progs = [
    Chord.ChordProg(48, 4, [(c, 0), (g, 192), (f, 384), (c, 576)]),
    Chord.ChordProg(48, 4, [(f, 0), (c, 192), (g, 384), (c, 576)])
]

# 伴奏のパターン(最近作ったのでcore側が適当)
accom_patterns = [
    {
        0.0: {'length': 0.25, 'notes': [1, 2]},
        0.25: {'length': 0.25, 'notes': [0]},
        0.5: {'length': 0.25, 'notes': [1, 2]},
        0.75: {'length': 0.25, 'notes': [0]},
    },
    {
        0.0: {'length': 1.0, 'notes': [0, 1, 2]},
    }
]

note_range = Chord.note_range('C4', 'A5')

midi = Melody.create(ts, beats, progs, note_range, accom_patterns, bpm=240)

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