def test_retrograde(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
for crossings in [3,30,100,300]:
waveset = Waveset(sound, crossings=crossings)
waveset.retrograde()
out = waveset.render()
out.write('tests/renders/waveset_retrograde_%s_crossings.wav' % crossings)
def test_render(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
waveset = Waveset(sound)
out = waveset.render(channels=1)
out.write('tests/renders/waveset_render.wav')
self.assertEqual(len(out), len(sound))
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_render(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
waveset = Waveset(sound)
out = waveset.render(channels=1)
out.write('tests/renders/waveset_render.wav')
self.assertEqual(len(out), len(sound))
def test_substitute_reversed(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
rev = waveset.reversed()
out = waveset.replace(rev)
out = fx.norm(out, 1)
out.write('tests/renders/waveset_substitute_reversed.wav')
def test_retrograde(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
for crossings in [3,30,100,300]:
waveset = Waveset(sound, crossings=crossings)
waveset.retrograde()
out = waveset.render()
out.write('tests/renders/waveset_retrograde_%s_crossings.wav' % crossings)
def test_substitute_reversed(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
rev = waveset.reversed()
out = waveset.replace(rev)
out = fx.norm(out, 1)
out.write('tests/renders/waveset_substitute_reversed.wav')
def test_morph(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
tsound = SoundBuffer(filename='tests/sounds/guitar10s.wav')
waveset = Waveset(sound)
target = Waveset(tsound)
out = waveset.morph(target, 'phasor')
out.write('tests/renders/waveset_morph_phasor.wav')
def test_harmonic(self):
sound = SoundBuffer(filename='tests/sounds/guitar10s.wav')
waveset = Waveset(sound)
harmonics = [1, 2, 3]
weights = [1, 0.5, 0.25]
out = waveset.harmonic(harmonics, weights)
out.write('tests/renders/waveset_harmonic_distortion.wav')
def makeArps(seg, oct=3, reps=4):
arp_degrees = [1,2,3,5,8,9,10]
if dsp.randint(0,1) == 0:
arp_degrees.reverse()
arp_degrees = rotate(arp_degrees, vary=True)
arp_notes = tune.fromdegrees(arp_degrees[:reps], octave=oct, root='e')
arps = []
arp_count = 0
for arp_length in seg:
arp_length /= 2
arp_pair = arp_notes[ arp_count % len(arp_notes) ], arp_notes[ (arp_count + 1) % len(arp_notes) ]
stack = Waveset(rmx, limit=dsp.randint(5, 20), offset=dsp.randint(0, 100))
stack.normalize()
arp_one = oscs.Pulsar2d(stack, windows=['tri'], freq=arp_pair[0]*dsp.choice([1,2]), pulsewidth=dsp.win('rnd', 0.1, 1)).play(arp_length).env('hannout').taper(0.01) * dsp.rand(0.02, 0.2)
arp_two = oscs.Pulsar2d(stack, windows=['tri'], freq=arp_pair[1]*dsp.choice([1,2]), pulsewidth=dsp.win('rnd', 0.1, 1)).play(arp_length).env('hannout').taper(0.01) * dsp.rand(0.02, 0.2)
arp_one.dub(arp_two)
arps += [ arp_one ]
arp_count += 2
return dsp.join(arps).env('rnd').pan(dsp.rand())
def bass_and_lead(length, pos, total_length):
numbeats = int(length//BEAT)
maxbeats = dsp.randint(2, 16)
layers = []
def bass(amp, length, oct=2):
if amp == 0:
return dsp.buffer(length=length)
bass_note = dsp.choice(scale) * 0.25
stack = Waveset(rmx, limit=dsp.randint(5, 20), offset=dsp.randint(0, 100))
stack.normalize()
out = oscs.Pulsar2d(stack, windows=['sine'], freq=bass_note).play(length) * dsp.rand(0.02, 0.2)
out = fx.lpf(out, bass_note*2)
return out.env('hannout').taper(dsp.MS*10)
if dsp.rand() > 0.5:
basses = bass(0.5, length, 1)
else:
bpat = drums.eu(numbeats, maxbeats)
basses = drums.make(bass, bpat, [BEAT]*numbeats)
layers += [ basses ]
lead_note = dsp.choice(scale)
stack = Waveset(rmx, limit=dsp.randint(5, 20), offset=dsp.randint(0, 100))
stack.normalize()
lead = oscs.Pulsar2d(stack, windows=['tri'], freq=lead_note*2, pulsewidth=dsp.win('rnd', 0.1, 1)).play(length/dsp.rand(1,5)).env('hannout').taper(0.01) * dsp.rand(0.02, 0.2)
layers += [ lead ]
return fx.norm(dsp.mix(layers), 1)
def test_harmonic(self):
sound = SoundBuffer(filename='tests/sounds/guitar10s.wav')
waveset = Waveset(sound)
harmonics = [1, 2, 3]
weights = [1, 0.5, 0.25]
out = waveset.harmonic(harmonics, weights)
out.write('tests/renders/waveset_harmonic_distortion.wav')
def test_morph(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
tsound = SoundBuffer(filename='tests/sounds/guitar10s.wav')
waveset = Waveset(sound)
target = Waveset(tsound)
out = waveset.morph(target, 'phasor')
out.write('tests/renders/waveset_morph_phasor.wav')
def test_interleave(self):
sound1 = SoundBuffer(filename='tests/sounds/linux.wav')
sound2 = SoundBuffer(filename='tests/sounds/guitar10s.wav')
waveset1 = Waveset(sound1, limit=10, offset=1000)
waveset2 = Waveset(sound2, limit=10, offset=1000)
waveset1.interleave(waveset2)
out = waveset1.render()
out.write('tests/renders/waveset_interleave.wav')
def bass(amp, length, oct=2):
if amp == 0:
return dsp.buffer(length=length)
bass_note = dsp.choice(scale) * 0.25
stack = Waveset(rmx, limit=dsp.randint(5, 20), offset=dsp.randint(0, 100))
stack.normalize()
out = oscs.Pulsar2d(stack, windows=['sine'], freq=bass_note).play(length) * dsp.rand(0.02, 0.2)
out = fx.lpf(out, bass_note*2)
return out.env('hannout').taper(dsp.MS*10)
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_sandwich_board(self):
l = dsp.read('tests/sounds/linux.wav')
g = dsp.read('tests/sounds/guitar1s.wav')
f = fx.crossover(l, dsp.win('phasor', 0, 1), dsp.rand(0.1, 0.3),
dsp.win('rnd', 0, 1)).graph(fontsize=50,
label='Weird FX')
ws = Waveset(g).substitute('sine').graph(fontsize=50,
label='Waveset Manipulation')
ps = oscs.Pulsar2d(freq=dsp.rand(10, 80),
pulsewidth=shapes.win('hann')).play(2).graph(
fontsize=50, label='Pulsar Synthesis')
wt = shapes.win('hann',
length=0.4) * shapes.win('sine') * shapes.win('rnd')
wt.graph(
'tests/renders/graph_sandwich_board.png',
insets=[ps, ws, f],
width=900,
height=340,
label='Pippi: Computer Music With Python',
stroke=30,
fontsize=30,
)
# For the readme
shutil.copy('tests/renders/graph_sandwich_board.png', 'banner.png')
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_interleave(self):
sound1 = SoundBuffer(filename='tests/sounds/linux.wav')
sound2 = SoundBuffer(filename='tests/sounds/guitar10s.wav')
waveset1 = Waveset(sound1, limit=10, offset=1000)
waveset2 = Waveset(sound2, limit=10, offset=1000)
waveset1.interleave(waveset2)
out = waveset1.render()
out.write('tests/renders/waveset_interleave.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_substitute(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
out = waveset.substitute('sine')
out.write('tests/renders/waveset_substitute_sine.wav')
def test_normalize(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
waveset.normalize()
out = waveset.render()
out.write('tests/renders/waveset_normalize.wav')
def test_reverse(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
waveset.reverse()
out = waveset.render()
out.write('tests/renders/waveset_reverse.wav')
def test_substitute(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
waveset = Waveset(sound)
out = waveset.substitute('sine')
out.write('tests/renders/waveset_substitute_sine.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')