def test_waveset_pulsar2d(self):
rain = dsp.read('tests/sounds/rain.wav').cut(0, 10)
ws = Waveset(rain)
ws.normalize()
osc = Pulsar2d(ws, windows=['sine'], freq=200.0, amp=0.2)
out = osc.play(60)
out.write('tests/renders/osc_waveset_pulsar2d.wav')
def test_freq_interpolation_pulsar2d(self):
freqs = tune.degrees([1,3,5,9,2,4,6,5,1], octave=3, key='a') * 10
out = Pulsar2d(['sine', 'tri', 'square', 'hann'], ['hann'],
freq=freqs,
freq_interpolator='trunc',
amp=0.2
).play(10)
out.write('tests/renders/osc_pulsar2d_freq_trunc.wav')
def test_create_pulsar2d(self):
osc = Pulsar2d(['sine', 'square', 'tri', 'sine'],
windows=['sine', 'tri', 'hann'],
wt_mod=dsp.wt('saw', 0, 1),
win_mod=dsp.wt('rsaw', 0, 1),
pulsewidth=dsp.wt('tri', 0, 1),
freq=200.0,
amp=0.2)
length = 30
out = osc.play(length)
out.write('tests/renders/osc_pulsar2d.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def test_pulsar_from_waveset(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
waveset = Waveset(sound, limit=20, modulo=1)
waveset.normalize()
osc = Pulsar2d(waveset,
windows=['sine'],
wt_mod=dsp.wt('saw', 0, 1),
win_mod=0.0,
pulsewidth=1.0,
freq=80.0,
amp=0.8)
length = 30
out = osc.play(length)
out.write('tests/renders/waveset_pulsar2d_wavetables-80hz.wav')
self.assertEqual(len(out), int(length * out.samplerate))