def __init__(
self, sink, sheet, oscillator=sine, duration=0.3, get_frequency=lambda n: constant(get_frequency_from_name(n))
):
self.sink = sink
self.parsed = parse_sheet(sheet)
self.oscillator = oscillator
self.get_frequency = get_frequency
self.duration = duration
import krach
from krach.source import frequency, oscillator
from krach.sink.alsa import AlsaSink
from krach.ext.plot import plot
osc = oscillator.square(
frequency.periodic(0.5, [
frequency.oscillating(frequency.constant(110), 3, 2),
frequency.constant(220)
])
)
sink = AlsaSink()
sink.sink([osc])