def test_wtclass(self):
wt1 = dsp.wt(dsp.RND, 4096)
wt2 = dsp.wt(dsp.TRI, 4096)
wt3 = dsp.wt([random.random() + 0.001 for _ in range(1000)])
self.assertTrue(max(wt1) > 0)
self.assertTrue(max(wt2) > 0)
self.assertTrue(max(wt3) > 0)
self.assertEqual(len(wt1), 4096)
self.assertEqual(len(wt2), 4096)
self.assertEqual(len(wt3), 1000)
def test_pulsar_mask(self):
osc = Pulsar('sine',
window='sine',
pulsewidth=dsp.wt('tri', 0, 1),
mask=dsp.wt('phasor', 0, 1),
freq=200.0,
amp=0.2)
length = 10
out = osc.play(length)
out.write('tests/renders/osc_pulsar_mask.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def test_wtclass(self):
wt1 = dsp.wt('rnd', wtsize=4096)
wt2 = dsp.wt('tri', wtsize=4096)
wt3 = dsp.wt([ random.random()+0.001 for _ in range(1000) ], wtsize=1000)
self.assertTrue(max(wt1) > 0)
self.assertTrue(max(wt2) > 0)
self.assertTrue(max(wt3) > 0)
self.assertEqual(len(wt1), 4096)
self.assertEqual(len(wt2), 4096)
self.assertEqual(len(wt3), 1000)
def test_wtclass(self):
wt1 = dsp.wt('rnd', wtsize=4096)
wt2 = dsp.wt('tri', wtsize=4096)
wt3 = dsp.wt([random.random() + 0.001 for _ in range(1000)],
wtsize=1000)
self.assertTrue(max(wt1) > 0)
self.assertTrue(max(wt2) > 0)
self.assertTrue(max(wt3) > 0)
self.assertEqual(len(wt1), 4096)
self.assertEqual(len(wt2), 4096)
self.assertEqual(len(wt3), 1000)
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_mask(self):
osc = Pulsar(
'sine',
window='sine',
pulsewidth=dsp.wt('tri', 0, 1),
mask=dsp.wt('phasor', 0, 1),
freq=200.0,
amp=0.2
)
length = 10
out = osc.play(length)
out.write('tests/renders/osc_pulsar_mask.wav')
self.assertEqual(len(out), int(length * out.samplerate))
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_harmonics(self):
wt = dsp.wt('sine')
wt = wt.harmonics()
wt.graph('tests/renders/graph_harmonics.png', stroke=3)
osc = Osc(wt, freq=80)
out = osc.play(10)
out.write('tests/renders/osc_harmonics.wav')
def test_create_sinewave(self):
osc = Osc('sine', freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_sinewave.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtA = [ random.random() for _ in range(random.randint(10, 1000)) ]
osc = Osc(wtA, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_list_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtB = dsp.wt([ random.random() for _ in range(random.randint(10, 1000)) ])
osc = Osc(wtB, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_wt_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtC = SoundBuffer(filename='tests/sounds/guitar1s.wav')
osc = Osc(wtC, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_guitar_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def test_create_sinewave(self):
osc = Osc('sine', freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_sinewave.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtA = [random.random() for _ in range(random.randint(10, 1000))]
osc = Osc(wtA, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_list_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtB = dsp.wt(
[random.random() for _ in range(random.randint(10, 1000))])
osc = Osc(wtB, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_rand_wt_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
wtC = SoundBuffer(filename='tests/sounds/guitar1s.wav')
osc = Osc(wtC, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc_guitar_wt.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def test_harmonics(self):
wt = dsp.wt('sine')
wt = wt.harmonics()
wt.graph('tests/renders/graph_harmonics.png', stroke=3)
osc = Osc(wt, freq=80)
out = osc.play(10)
out.write('tests/renders/osc_harmonics.wav')
def test_long_graincloud(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
length = 90
grainlength = dsp.wt('hann', 0.01, 0.08)
grid = dsp.wt('hann', 0.01, 0.05)
out = sound.cloud(
length,
grainlength=grainlength,
grid=grid,
spread=0.5,
)
framelength = int(length * sound.samplerate)
self.assertEqual(len(out), framelength)
out.write('tests/renders/test_long_graincloud.wav')
def test_save_and_load_wt(self):
wt = dsp.wt('sine', wtsize=4096)
self.assertEqual(len(wt), 4096)
wt.write('tests/renders/wavetable_sine.wav')
wt.graph('tests/renders/wavetable_sine-original.png')
wt = dsp.load('tests/renders/wavetable_sine.wav')
wt.graph('tests/renders/wavetable_sine-reloaded.png')
def test_graincloud_with_extreme_speed_lfo(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
length = 30
speed = dsp.wt('hann', 1, 100)
framelength = int(length * sound.samplerate)
out = sound.cloud(length=length, speed=speed)
self.assertEqual(len(out), framelength)
out.write('tests/renders/graincloud_with_extreme_speed_lfo.wav')
def test_create_osc2d(self):
wtA = [ random.random() for _ in range(random.randint(10, 1000)) ]
wtB = dsp.wt([ random.random() for _ in range(random.randint(10, 1000)) ])
wtC = SoundBuffer(filename='tests/sounds/guitar1s.wav')
stack = ['rnd', wtA, wtB, wtC] * 10
out = Osc2d(stack, freq=200.0).play(10)
out.write('tests/renders/osc2d_RND_randlist_randwt_guitar_10x.wav')
out = Osc2d(['tri', 'sine'], freq=[200.0, 400, 600], freq_interpolator='trunc').play(10)
out.write('tests/renders/osc2d_freq_trunc.wav')
def test_graincloud_with_length_lfo(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
grainlength = dsp.wt('hann', 0.01, 0.1)
length = 10
framelength = int(length * sound.samplerate)
out = sound.cloud(length, grainlength=grainlength)
self.assertEqual(len(out), framelength)
out.write('tests/renders/graincloud_with_length_lfo.wav')
def test_create_wt_stack(self):
wtA = [ random.random() for _ in range(random.randint(10, 1000)) ]
wtB = dsp.wt([ random.random() for _ in range(random.randint(10, 1000)) ])
wtC = SoundBuffer(filename='tests/sounds/guitar1s.wav')
stack = ['rnd', wtA, wtB, wtC] * 10
osc = Osc2d(stack, freq=200.0)
length = 1
out = osc.play(length)
out.write('tests/renders/osc2d_RND_randlist_randwt_guitar_10x.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def test_graincloud_with_length_lfo(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
grainlength = dsp.wt('hann', 0.01, 0.1)
length = 10
framelength = int(length * sound.samplerate)
out = sound.cloud(length, grainlength=grainlength)
self.assertEqual(len(out), framelength)
out.write('tests/renders/graincloud_with_length_lfo.wav')
def test_create_mono_buffer_from_wavetable(self):
wt = dsp.wt('sine', wtsize=4096)
self.assertTrue(len(wt) == 4096)
snd = dsp.buffer(wt)
self.assertTrue(len(snd) == 4096)
self.assertTrue(snd[100][0] != 0)
snd = SoundBuffer(wt)
self.assertTrue(len(snd) == 4096)
self.assertTrue(snd[100][0] != 0)
def test_create_wt_stack(self):
wtA = [ random.random() for _ in range(random.randint(10, 1000)) ]
wtB = dsp.wt([ random.random() for _ in range(random.randint(10, 1000)) ])
wtC = SoundBuffer(filename='tests/sounds/guitar1s.wav')
stack = ['rnd', wtA, wtB, wtC] * 10
osc = Osc2d(stack, freq=200.0)
length = 10
out = osc.play(length)
out.write('tests/renders/osc2d_RND_randlist_randwt_guitar_10x.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def test_create_tukey(self):
length = 10
shape = dsp.win(shapes.win('sine', length=3), 0, 0.5)
chord = tune.chord('i9', octave=2)
out = dsp.buffer(length=length)
for freq in chord:
freq = dsp.wt('sinc', freq, freq*4)
l = Tukey(freq=freq, shape=shape).play(length)
l = l.pan(dsp.rand())
out.dub(l)
out = fx.norm(out, 0.8)
out.write('tests/renders/osc_tukey.wav')
def test_create_pulsar(self):
osc = Pulsar(
'sine',
window='sine',
pulsewidth=dsp.wt('tri', 0, 1),
freq=200.0,
amp=0.2
)
length = 10
out = osc.play(length)
out.write('tests/renders/osc_pulsar.wav')
osc = Pulsar(
'sine',
window='sine',
pulsewidth=dsp.wt('tri', 0, 1),
freq=[200.0, 210, 220, 300, 310, 320]*4,
freq_interpolator='trunc',
amp=0.2
)
length = 10
out = osc.play(length)
out.write('tests/renders/osc_pulsar_trunc.wav')
def test_graincloud_with_speed_lfo(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
minspeed = random.triangular(0.05, 1)
maxspeed = minspeed + random.triangular(0.5, 10)
speed = dsp.wt('rnd', minspeed, maxspeed)
cloud = grains.Cloud(sound, grainlength=0.04, speed=speed)
length = 30
framelength = int(length * sound.samplerate)
out = cloud.play(length)
self.assertEqual(len(out), framelength)
out.write('tests/renders/graincloud_with_speed_lfo.wav')
def test_graincloud_with_read_lfo(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
cloud = grains.Cloud(
sound,
position=dsp.wt('hann') * sound.dur,
)
length = 30
framelength = int(length * sound.samplerate)
out = cloud.play(length)
self.assertEqual(len(out), framelength)
out.write('tests/renders/test_graincloud_with_read_lfo.wav')
def test_graincloud_with_speed_lfo(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
minspeed = random.triangular(0.05, 1)
maxspeed = minspeed + random.triangular(0.5, 10)
speed = dsp.wt('rnd', minspeed, maxspeed)
cloud = grains.Cloud(sound, grainlength=0.04, speed=speed)
length = 30
framelength = int(length * sound.samplerate)
out = cloud.play(length)
self.assertEqual(len(out), framelength)
out.write('tests/renders/graincloud_with_speed_lfo.wav')
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))
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))
def test_graph_cos_wavetable(self):
wt = dsp.wt('cos')
wt.graph('tests/renders/graph_cos_wavetable.png', stroke=3)
def test_graph_rsaw_wavetable(self):
wt = dsp.wt('rsaw')
wt.graph('tests/renders/graph_rsaw_wavetable.png', stroke=3)
def test_graph_square_wavetable(self):
wt = dsp.wt('square')
wt.graph('tests/renders/graph_square_wavetable.png', stroke=3)
def test_graph_rsaw_wavetable(self):
wt = dsp.wt('rsaw')
wt.graph('tests/renders/graph_rsaw_wavetable.png', stroke=3)
def test_graph_cos_wavetable(self):
wt = dsp.wt('cos')
wt.graph('tests/renders/graph_cos_wavetable.png', stroke=3)
def test_graph_square_wavetable(self):
wt = dsp.wt('square')
wt.graph('tests/renders/graph_square_wavetable.png', stroke=3)
def test_random_wavetable(self):
length = random.randint(1, 1000)
wt = dsp.wt('rnd', wtsize=length)
self.assertEqual(length, len(wt))
def test_rcut(self):
wt = dsp.wt('sine', wtsize=4092)
wt.graph('tests/renders/wavetable_prercut.png')
wt = wt.rcut(100)
wt.graph('tests/renders/wavetable_rcut.png')
self.assertEqual(100, len(wt))
def test_cut_bad(self):
wt = dsp.wt('sine', wtsize=4092)
wt = wt.cut(-100, -100)
self.assertEqual(1, len(wt))
def test_stretch(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
factor = dsp.wt('phasor', 1, 10)
out = waveset.stretch(factor)
out.write('tests/renders/waveset_stretch.wav')
def test_stretch(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
factor = dsp.wt('phasor', 1, 10)
out = waveset.stretch(factor)
out.write('tests/renders/waveset_stretch.wav')
def test_random_wavetable(self):
length = random.randint(1, 1000)
wt = dsp.wt('rnd', wtsize=length)
self.assertEqual(length, len(wt))
