a7da245ad0
This class allows much more expressive sound synthesis: * tremolo & vibrato * arbitrary frequency * different evelope & waveform per note * all properties dynamically settable from Python code
42 lines
902 B
Python
42 lines
902 B
Python
import struct
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import synthio
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import audiocore
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def dump_samples():
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print([i for i in audiocore.get_buffer(s)[1][:24]])
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n80 = synthio.Note(synthio.midi_to_hz(80))
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n91 = synthio.Note(synthio.midi_to_hz(80))
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s = synthio.Synthesizer(sample_rate=8000)
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print(s.pressed)
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dump_samples()
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s.press((n80,))
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print(s.pressed)
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dump_samples()
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s.press((n91,))
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print(s.pressed)
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dump_samples()
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s.release_then_press((n80,))
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print(s.pressed)
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dump_samples()
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envelope = synthio.Envelope(
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attack_time=0.1, decay_time=0.05, release_time=0.2, attack_level=1, sustain_level=0.8
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)
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n60 = synthio.Note(synthio.midi_to_hz(60), envelope=envelope)
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s = synthio.Synthesizer(sample_rate=8000, envelope=envelope)
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s.press((n60,))
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for _ in range(12):
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buf = audiocore.get_buffer(s)[1]
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print((min(buf), max(buf)))
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s.release_all()
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for _ in range(12):
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buf = audiocore.get_buffer(s)[1]
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print((min(buf), max(buf)))
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