def test_vdelay(self):
snd = dsp.read('tests/sounds/guitar10s.wav')
tlfo = dsp.randline(3, 30, 0, 1)
lfo = dsp.randline(30, 4096, 0, 1)
snd = fx.vdelay(snd, lfo, 0.1, 0.75, 0.5)
snd = fx.norm(snd, 1)
snd.write('tests/renders/fx_vdelay.wav')
def test_mincer(self):
snd = dsp.read('tests/sounds/linux.wav')
length = 20
position = dsp.randline(10, 0.5, 2)
pitch = dsp.randline(10)
out = fx.mincer(snd, length, position, pitch)
out.write('tests/renders/fx_mincer.wav')
def test_mincer(self):
snd = dsp.read('tests/sounds/linux.wav')
length = 20
amp = 1
time = dsp.randline(10, 0.5, 2)
pitch = dsp.randline(10)
snd.frames = soundpipe.mincer(snd.frames,
snd.dur,
time.data,
amp,
pitch.data,
samplerate=snd.samplerate)
snd.write('tests/renders/soundpipe_mincer.wav')
def test_randline(self):
numpoints = random.randint(1, 10)
wtsize = random.randint(10, 1000)
wt = dsp.randline(numpoints, wtsize=wtsize)
self.assertEqual(len(wt), wtsize)
lowvalue = random.triangular(0, 1)
highvalue = random.triangular(1, 5)
wt = dsp.randline(numpoints,
lowvalue=lowvalue,
highvalue=highvalue,
wtsize=wtsize)
self.assertEqual(len(wt), wtsize)
self.assertTrue(max(wt) <= highvalue)
self.assertTrue(min(wt) >= lowvalue)
def test_randline(self):
numpoints = random.randint(1, 10)
wtsize = random.randint(10, 1000)
wt = dsp.randline(numpoints, wtsize=wtsize)
self.assertEqual(len(wt), wtsize)
lowvalue = random.triangular(0, 1)
highvalue = random.triangular(1, 5)
wt = dsp.randline(numpoints,
lowvalue=lowvalue,
highvalue=highvalue,
wtsize=wtsize
)
self.assertEqual(len(wt), wtsize)
self.assertTrue(max(wt) <= highvalue)
self.assertTrue(min(wt) >= lowvalue)
def test_pulsar_burst_and_mask(self):
osc = Pulsar('sine',
window='sine',
pulsewidth=dsp.wt('tri', 0, 1),
mask=dsp.randline(30, 0, 1),
burst=(3, 2),
freq=200.0,
amp=0.2)
length = 10
out = osc.play(length)
out.write('tests/renders/osc_pulsar_burst_and_mask.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def make_note(freq, amp, length):
numtables = random.randint(1, random.randint(3, 12))
lfo = dsp.randline(random.randint(10, 100))
lfo_freq = random.triangular(0.3, 30)
mod = dsp.randline(random.randint(10, 100))
mod_freq = random.triangular(0.3, 3)
mod_range = random.triangular(0, 0.03)
pulsewidth = random.random()
wavetables = []
for _ in range(numtables):
if random.random() > 0.5:
wavetables += [random.choice(['sine', 'square', 'tri', 'saw'])]
else:
wavetables += [dsp.randline(random.randint(3, 300))]
return oscs.Pulsar2d(wavetables,
windows=['sine'],
pulsewidth=pulsewidth,
freq=freq,
amp=amp).play(length)
def test_pulsar_burst_and_mask(self):
osc = Pulsar(
'sine',
window='sine',
pulsewidth=dsp.wt('tri', 0, 1),
mask=dsp.randline(30, 0, 1),
burst=(3,2),
freq=200.0,
amp=0.2
)
length = 10
out = osc.play(length)
out.write('tests/renders/osc_pulsar_burst_and_mask.wav')
self.assertEqual(len(out), int(length * out.samplerate))
def make_note(freq, amp, length):
shape = dsp.randline(dsp.randint(10, 100))
return oscs.Tukey().play(length, freq, shape) * amp
