Python NoteSeq.stretch_dur Examples

Example #1

File: melody_generator.py Project: zdf0221/midi-melody-generator

    def rhythm_6_17_left(self, chord: Chord) -> [Chord]:
        rhythm = []
        new_chord = NoteSeq()

        new_chord.append(chord.first_note.octave_shift(-1))
        new_chord.append(chord.first_note.octave_shift(-2))

        rhythm.append(new_chord.stretch_dur(12 / self.subdivided))
        rhythm.append(new_chord.stretch_dur(12 / self.subdivided))
        rhythm.append(new_chord.stretch_dur(8 / self.subdivided))
        return rhythm

Example #2

File: melody_generator.py Project: zdf0221/midi-melody-generator

    def rhythm_heart_and_soul_right(self, chord: Chord) -> [NoteSeq]:
        rhythm = []
        new_chord = chord
        silence_chord = NoteSeq("R")

        rhythm.append(silence_chord.stretch_dur(8 / self.subdivided))
        rhythm.append(new_chord.stretch_dur(4 / self.subdivided))
        rhythm.append(new_chord.stretch_dur(4 / self.subdivided))
        rhythm.append(silence_chord.stretch_dur(8 / self.subdivided))
        rhythm.append(new_chord.stretch_dur(4 / self.subdivided))
        rhythm.append(new_chord.stretch_dur(4 / self.subdivided))

        return rhythm

Example #3

def josquin():
    main_theme = NoteSeq("file://josquin")
    theme1 = main_theme.stretch_dur(0.66666)
    theme2 = main_theme[0:24].stretch_dur(2).transp(Note("C"))
    theme3 = main_theme[0:50]

    midi = Midi(3, tempo=80)
    midi.seq_notes(theme1, track=0)
    midi.seq_notes(theme2, track=1)
    midi.seq_notes(theme3, track=2)
    midi.write("midi/josquin.mid")

Example #4

File: abstractions.py Project: ughbruigh/pyknon

def abstraction():
    a = NoteSeq("C4. Eb8")
    a1 = a.transp(5).stretch_dur(0.5)
    a2 = a.inv("Db''")
    a3 = a1.inv(8)

    A = a + a1 + a2 + a3
    A2 = A.transp(2)
    B = a1.transp(8) + a1.transp("Eb''")

    c = NoteSeq([Note(x.value, dur=0.125) for x in a + a1])
    C = (c.inv("Ab''") + c.inv(10) + c.stretch_inverval(2).transp(2) +
         c.inv("G''") + c.inv("E''").stretch_inverval(1) +
         c.inv("A").stretch_inverval(1))

    a4 = a.stretch_dur(2).inv(6)

    Part1 = A + NoteSeq("C2") + A2 + B
    Part2 = C + a4

    midi = Midi(1, tempo=90)
    midi.seq_notes(Part1 + Part2, track=0)
    midi.write("midi/abstraction.mid")

Example #5

File: test_music.py Project: adamobeng/pyknon

 def test_stretch_dur(self):
     seq1 = NoteSeq("C4 D8 E8")
     seq2 = NoteSeq("C8 D16 E16")
     seq3 = NoteSeq("C2 D4 E4")
     self.assertEqual(seq1.stretch_dur(.5), seq2)
     self.assertEqual(seq1.stretch_dur(2), seq3)

Example #6

File: test_music.py Project: suanchew/fhproject-music

 def test_stretch_dur(self):
     seq1 = NoteSeq("C4 D8 E8")
     seq2 = NoteSeq("C8 D16 E16")
     seq3 = NoteSeq("C2 D4 E4")
     self.assertEqual(seq1.stretch_dur(.5), seq2)
     self.assertEqual(seq1.stretch_dur(2), seq3)

Example #7

File: chords.py Project: zdf0221/midi-melody-generator

 def stretch_dur(self, factor):
     return Chord(NoteSeq.stretch_dur(self, factor).items,
                  first_note=self.first_note,
                  name=self.name)