def Create(chord_idx, melody, bars_n, notePerBar_n = 16, ct_w = 1.5):
"""
chordは一つだけ
ct_w は大きい方がインサイド
"""
#create melody
chordObj = hm.Dataset()
pitchObj = pw.PitchWeight()
melody_hist = chordObj.translateMelody(melody)
chord_tone = chordObj.tones[chord_idx]
pitch_weight_a = np.zeros(12)
pitch_weight_a[chord_tone] = ct_w #コードトーンの重さ
for note, n in enumerate(melody_hist) :
pitch_weight_a[note] += n
pitchObj.updatePW(pitch_weight_a, std_f = 'simpleStd')
improvise_melody = mel.Create(bars_n, notePerBar_n = notePerBar_n, std_f = 'simpleStd', pwObj = pitchObj)
#create rythm
improvise_rythm = rythm.Create(bars_n, notePerBar_n = notePerBar_n )
return mergeMelodyAndRythm.Merge(improvise_rythm, improvise_melody, bars_n, 1, notePerBar_n, lastNote = chord_tone[0])
o.write_short(0xb2, 10, 74) o.write_short(0xb3, 10, 90) #load lead sheet leadSheet = ls.SampleComposition() rehA_length = leadSheet.vamp_onePhrase_bars * leadSheet.vamp_loop * leadSheet.notePerBar_n rehB_length = leadSheet.vamp2_onePhrase_bars * leadSheet.vamp2_loop * leadSheet.notePerBar_n rehC_length = leadSheet.vamp3_onePhrase_bars * leadSheet.vamp3_loop * leadSheet.notePerBar_n start_rehC = rehA_length + rehB_length end_reh = rehA_length + rehB_length + rehC_length + 1 # parse section melody = leadSheet.leadLine[0:rehA_length] chords = leadSheet.chordProgress[0:rehA_length] counterMelody = leadSheet.counterMelody[0:rehA_length] chordObj = hm.Dataset() ba = leadSheet.perc4[0:rehA_length] bDr = leadSheet.perc1[0:rehA_length] sDr = leadSheet.perc2[0:rehA_length] cHH = leadSheet.perc3[0:rehA_length] articuration = leadSheet.articuration[0:rehA_length] #sleepTime = np.random.normal(0.08,0.04) sleepTime = 0.18 flg = True leadFlg = 3 leadFlg2 = -1 chordsFlg = -1 counterMelodyFlg = -1 drFlg = -1
def __init__(self):
self.notePerBar_n = 16
self.noteParChord_n = 16
#create leadLine
self.a_onePhrase_bars = 4
self.a_loop = 1
self.a_lastNote = 0
self.b_onePhrase_bars = 4
self.b_loop = 1
self.b_lastNote = 0
self.vamp_onePhrase_bars = 4
self.vamp_loop = 4
self.vamp_lastNote = 0
self.a = melody.Create(self.a_onePhrase_bars, self.a_loop,
self.notePerBar_n, self.a_lastNote)
self.b = melody.Create(self.b_onePhrase_bars, self.b_loop,
self.notePerBar_n, self.b_lastNote)
self.vamp = melody.Create(self.vamp_onePhrase_bars, self.vamp_loop,
self.notePerBar_n, self.vamp_lastNote)
self.leadLine = np.r_[self.a, self.b, self.vamp]
pastNote = 60 #適切な値は？
for i, note in enumerate(self.leadLine):
if note > -1:
note = note + 60
pastNote = func.smoothing(note, pastNote)
self.leadLine[i] = pastNote
#create chordProgeression
chordObj = hm.Dataset()
self.chordProgress = hm.Create(self.leadLine, self.noteParChord_n)
self.bk = perc.Create(self.leadLine, temperature=0.005)
self.bk = perc.tranBinary(self.bk, 4)
#create Bucking
self.ba = np.full(len(self.leadLine), -1)
self.v1 = np.full(len(self.leadLine), -1)
self.v2 = np.full(len(self.leadLine), -1)
note_ba = 60 #適切な値は
note_v1 = 60 #適切な値は
note_v2 = 60 #適切な値は
for i, chord in enumerate(self.chordProgress):
if self.bk[i] > 0:
note_ba = func.smoothing(chordObj.tones[chord][0] + 36,
note_ba, 28, 55)
note_v1 = func.smoothing(chordObj.tones[chord][1] + 60,
note_v1, 50, 70)
note_v2 = func.smoothing(chordObj.tones[chord][2] + 60,
note_v2, 50, 70)
self.ba[i] = note_ba
self.v1[i] = note_v1
self.v2[i] = note_v2
#create rythmSection *INST_NO +1 -1はOFFSET
self.hiHat = perc.Create(self.leadLine, temperature=0.01)
self.hiHat = perc.tranBinary(self.hiHat, 18) * 43 - 1
self.snare = perc.Create(self.leadLine, temperature=0.016)
self.snare = perc.tranBinary(self.snare, 8) * 40 - 1
self.baDrum = perc.Create(self.leadLine, temperature=0.007)
self.baDrum = perc.tranBinary(self.baDrum, 8) * 37 - 1
#create counter melody FUNCTIONとして切り出す？
self.counterMelody = np.zeros(0)
for i in range(int(len(self.chordProgress) / self.noteParChord_n)):
chord_index = self.chordProgress[i * self.noteParChord_n]
tempCounterMelody = counterMelody.Create(
chord_index,
self.leadLine[int(i * 16):int(i * 16 + 16)],
int(1 * self.noteParChord_n / self.notePerBar_n),
oct=60)
self.counterMelody = np.r_[self.counterMelody, tempCounterMelody]
#floatになっちゃう対策
self.counterMelody = self.counterMelody.astype(np.int64)
#create articuration
self.articuration = ac.Create(self.leadLine,
notePerBar_n=self.notePerBar_n,
r=0.96)
def __init__(self):
self.notePerBar_n = 16
self.noteParChord_n = 16
#create leadLine
self.a_onePhrase_bars = 4
self.a_loop = 1
self.a_lastNote = 0
#waveToMidi
wav_dir = r'C:\\work\\ai_music\\freesound\\newSong_100.wav'
self.wav_dir = wav_dir
#bpm, idx, peaks_f, , pitch_list
self.bpmObj = wav.calBpm(wav_dir)
ts = wav.calcTimeSeries(self.bpmObj[0],
self.bpmObj[1],
fs=44100,
max_s=60)
self.melodyObj = wav.waveToMidi(ts, self.bpmObj[2][0], self.bpmObj[3],
self.bpmObj[4])
print("ts is :", ts)
self.a = self.melodyObj[0]
self.a_wav = self.melodyObj[1]
self.a_dur = self.melodyObj[2]
self.leadLine = self.a[0:self.notePerBar_n * self.a_onePhrase_bars *
self.a_loop]
self.leadLine_wav = self.a_wav[0:self.notePerBar_n *
self.a_onePhrase_bars * self.a_loop]
self.leadLine_dur = self.a_dur #[0:self.notePerBar_n * self.a_onePhrase_bars * self.a_loop]
self.bpm = self.bpmObj[0]
#create chordProgeression
chordObj = hm.Dataset()
self.chordProgress = hm.Create(self.leadLine, self.noteParChord_n)
self.bk = perc.Create(self.leadLine, temperature=0.005)
self.bk = perc.tranBinary(self.bk, 4)
#create Bucking
self.ba = np.full(len(self.leadLine), -1)
self.v1 = np.full(len(self.leadLine), -1)
self.v2 = np.full(len(self.leadLine), -1)
note_ba = 60 #適切な値は
note_v1 = 60 #適切な値は
note_v2 = 60 #適切な値は
for i, chord in enumerate(self.chordProgress):
if self.bk[i] > 0:
note_ba = func.smoothing(chordObj.tones[chord][0] + 36,
note_ba, 28, 55)
note_v1 = func.smoothing(chordObj.tones[chord][1] + 60,
note_v1, 50, 70)
note_v2 = func.smoothing(chordObj.tones[chord][2] + 60,
note_v2, 50, 70)
self.ba[i] = note_ba
self.v1[i] = note_v1
self.v2[i] = note_v2
#create rythmSection *INST_NO +1 -1はOFFSET
self.hiHat = perc.Create(self.leadLine, temperature=0.01)
self.hiHat = perc.tranBinary(self.hiHat, 18) * 43 - 1
self.snare = perc.Create(self.leadLine, temperature=0.016)
self.snare = perc.tranBinary(self.snare, 8) * 40 - 1
self.baDrum = perc.Create(self.leadLine, temperature=0.007)
self.baDrum = perc.tranBinary(self.baDrum, 8) * 37 - 1
#create counter melody FUNCTIONとして切り出す？
self.counterMelody = np.zeros(0)
for i in range(int(len(self.chordProgress) / self.noteParChord_n)):
chord_index = self.chordProgress[i * self.noteParChord_n]
tempCounterMelody = counterMelody.Create(
chord_index,
self.leadLine[int(i * 16):int(i * 16 + 16)],
int(1 * self.noteParChord_n / self.notePerBar_n),
oct=60)
self.counterMelody = np.r_[self.counterMelody, tempCounterMelody]
#floatになっちゃう対策
self.counterMelody = self.counterMelody.astype(np.int64)
#create articuration
self.articuration = ac.Create(self.leadLine,
notePerBar_n=self.notePerBar_n,
r=0.96)