Example #1
0
def test_write_waves():
    writer = Writer()

    synthesizer = Synthesizer(osc1_waveform=Waveform.sine,
                              osc1_volume=1.0,
                              use_osc2=False)
    wave1 = synthesizer.generate_constant_wave(220.0, 3.0)
    wave2 = synthesizer.generate_constant_wave(440.0, 3.0)

    writer.write_waves("./test_waves.wav", wave1, wave2)
    ok_("write_waves() succeeded.")
Example #2
0
def main():
    writer = Writer()

    print("write chord sequence")
    synthesizer = Synthesizer(osc1_waveform=Waveform.sine,
                              osc1_volume=1.0,
                              use_osc2=False)
    chord = [
        BASE * 2.0**(2 / 12.0), BASE * 2.0**(5 / 12.0), BASE * 2.0**(9 / 12.0),
        BASE * 2.0**(12 / 12.0)
    ]
    wave1 = synthesizer.generate_chord(chord, 1.0)
    chord = [
        BASE * 2.0**(2 / 12.0), BASE * 2.0**(7 / 12.0), BASE * 2.0**(11 / 12.0)
    ]
    wave2 = synthesizer.generate_chord(chord, 1.0)
    chord = [
        BASE, BASE * 2.0**(4 / 12.0), BASE * 2.0**(7 / 12.0),
        BASE * 2.0**(12 / 12.0)
    ]
    wave3 = synthesizer.generate_chord(chord, 1.0)

    writer.write_waves(os.path.join(DIR, "test.wav"), wave1, wave2, wave3)
Example #3
0
def generate_wave_from_chord_objects(
    chords: List[object],
    filepath: str,
) -> None:
    synthesizer = Synthesizer(osc1_waveform=Waveform.triangle,
                              osc1_volume=1.0,
                              use_osc2=False)

    note_length: int = 2
    root_pitch: int = 3
    chord_waves: list = []
    for chord in chords:
        if type(chord) is list:
            for c in chord:
                notes: list = c.components_with_pitch(root_pitch=root_pitch)
                chord_waves.append(
                    synthesizer.generate_chord(notes,
                                               note_length / len(chord)))
        else:
            notes: list = chord.components_with_pitch(root_pitch=root_pitch)
            chord_waves.append(synthesizer.generate_chord(notes, note_length))
    writer = Writer()
    writer.write_waves(filepath, *chord_waves)