class MonophonicScaleSynth(Instrument):
def __init__(self, samplerate, buffer_size, scale):
Instrument.__init__(self)
self.scale = scale
self.oscillator = Oscilator(samplerate, buffer_size)
self.oscillator.start()
self._callback = self.oscillator.callback
def set_scale(self, scale):
self.scale = scale
def on(self, tone, time=0):
frequency = self.scale.get_frequency(tone)
self.oscillator.setFreq(frequency)
Instrument.on(self, tone, time=time)
def __str__(self):
return "MonophonicScaleSynth %s" % str(self.scale)
