23 lines
968 B
Python
23 lines
968 B
Python
'''Testing arpeggio effect with sonicsynth and ziffers'''
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from sonicsynth import *
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from ziffers import *
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import numpy as np
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melody = zparse("(q 0 024 2 246 e 4 2 6 2 q 5 0)+(0 3 1 2)", key="D4", scale="Minor")
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def build_waveform(melody, bpm):
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for item in melody.evaluated_values:
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if isinstance(item, Pitch):
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time_in_seconds = item.duration * 4 * 60 / bpm
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yield generate_sine_wave(frequency=item.freq, amplitude=0.5, duration=time_in_seconds)
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elif isinstance(item, Chord):
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time_in_seconds = item.durations[0] * 4 * 60 / bpm
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for pitch in item.pitch_classes:
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# Create "NES arpeggio effect"
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for i in range(1,len(item.durations)):
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yield generate_sine_wave(frequency=pitch.freq, amplitude=0.5, duration=time_in_seconds/(len(item.durations)*3))
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waveform = np.concatenate(list(build_waveform(melody,180)))
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player = Playback(44100)
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player.play(waveform) |