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-
- from ysynth import *
- import sys
-
- synth = YSynth()
- #synth.set_graph(Sin(440 + 110 * Sin(1)))
- #synth.set_graph((Saw(440) + Sin(550)) * 0.25)
- #synth.set_graph(Square(220) * 0.5)
- #synth.set_graph(Sin(440 + 44 * Sin(4) + 110 * Square(0.5)) * 0.1)
- #synth.set_graph(Sin(440 * (Saw(0.5) + 1.0) * 0.5) * 0.05)
- #synth.set_graph(Sin(220) * 0.5)
- #synth.set_graph(Pulse(220) * 0.25)
- #synth.set_graph(Sin(440) * 0.25)
- #synth.set_graph(WhiteNoise() * 1.0)
-
- # Should sound vagely similar to a flanged whitenoise signal
- #noise = WhiteNoise()
- #synth.set_graph((noise + noise[50 + 100 * (Sin(0.1) + 1)]) * 0.5 * (RevSaw(2) + 1) * 0.5)
- #synth.set_graph(Sin(440) * RevSaw(5) * 0.2)
- #synth.set_graph((Sin(440) * 0.5, Sin(220) * 0.5))
- #synth.set_graph(Sin((440, 220)) * 0.5)
-
- def short_pulse(shortness, silence):
- z = (Square(2. ** shortness) + 1) * 0.5
- for i in xrange(silence):
- z = z * (Square(2. ** (shortness - i)) + 1) * 0.5
-
- return z
-
- # Echo effect
- #sine_pulse = Sin(440) * short_pulse(3, 4) * 1.0
- #sine_pulse = sine_pulse * 0.9 + sine_pulse[2000] * 0.1
- #synth.set_graph(sine_pulse)
-
- def harmonics(osc, freq, count):
- return reduce(lambda a, b: a + b,
- (osc(freq * i) for i in xrange(1, count + 2))) \
- / (count + 1)
-
- # MP3 playback
- #synth.set_graph(MP3Stream('hoi.mp3'))
- # Crossfade between 2 songs
- #fade = (Sin(0.5) + 1) * 0.5
- #synth.set_graph(MP3Stream(sys.argv[1]) * fade + MP3Stream(sys.argv[2]) * (1 - fade))
-
- # The following code causes more buggy behaviour.
- #x = Sin(440)
- #for i in xrange(1, 15):
- # x += Sin(440 + x)
- #synth.set_graph(x / 41 * 0.5)
- user = UserSignal(440)
- synth.set_graph(Sin(user) * 0.2)
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