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synthesizer.py

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import struct

import synthio

import audiocore

import ulab.numpy as np

def dump_samples():

print([i for i in audiocore.get_buffer(s)[1][:24]])

s = synthio.Synthesizer(sample_rate=8000)

print(s.pressed)

dump_samples()

s.press((80,))

print(s.pressed)

dump_samples()

s.press((91,))

print(s.pressed)

dump_samples()

s.release_then_press((80,))

print(s.pressed)

dump_samples()

envelope = synthio.Envelope(

attack_time=0.1, decay_time=0.05, release_time=0.2, attack_level=1, sustain_level=0.8

)

s = synthio.Synthesizer(sample_rate=8000, envelope=envelope)

s.press((60,))

for _ in range(12):

buf = audiocore.get_buffer(s)[1]

print((min(buf), max(buf)))

s.release_all()

for _ in range(12):

buf = audiocore.get_buffer(s)[1]

print((min(buf), max(buf)))