18 lines
625 B
Python
18 lines
625 B
Python
'''Simple example of using SonicSynth to play Ziffers melody.'''
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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 4 2 5 e 3 9 4 2 s 5 3 1 6 8 3 4 5 2 1 q 0)+(0 3 -2 4 2)", key="E3", scale="Aerathitonic")
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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_square_wave(frequency=item.freq, amplitude=0.25, duration=time_in_seconds)
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waveform = np.concatenate(list(build_waveform(melody,130)))
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player = Playback(44100)
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player.play(waveform)
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