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_range(self):
wt = dsp.win('sine')
wt.graph('tests/renders/graph_sine_range--1-1.png', y=(-1, 1))
wt.graph('tests/renders/graph_sine_range--2-2.png', y=(-2, 2))
wt.graph('tests/renders/graph_sine_range-0-1.png', y=(0, 1))
wt.graph('tests/renders/graph_sine_range-0.5-2.png', y=(0.5, 2))
wt = dsp.win('sinc')
wt.graph('tests/renders/graph_sinc_range--0.2-1.png', y=(-0.25, 1))
def test_widen(self):
snd = dsp.read('tests/sounds/linux.wav')
out = fx.widen(snd, dsp.win('phasor', 0, 1))
out.write('tests/renders/fx_widen_linux.wav')
osc = oscs.Osc('sine', amp=0.2)
out = osc.play(snd.dur)
out = fx.widen(out, dsp.win('phasor', 0, 1))
out.write('tests/renders/fx_widen_sine.wav')
def test_rand_1000(self):
dsp.seed(1000)
for m in methods:
dsp.randmethod(m)
values = []
for _ in range(1000):
values += [dsp.rand()]
dsp.win(values).graph('tests/renders/rand_%s_1000values.png' % m)
# teardown
dsp.randmethod('normal')
def test_graincloud_grainsize(self):
snd = dsp.read('tests/sounds/guitar1s.wav')
out = snd.cloud(
length=dsp.rand(8, 16),
window='hann',
grainlength=dsp.win('sinc', 0.2, 6),
grid=dsp.win('hannout', 0.04, 1),
spread=1,
)
out.write('tests/renders/graincloud_grainsize.wav')
def test_crossover(self):
snd = dsp.read('tests/sounds/linux.wav')
amount = dsp.win('phasor', 0, 1)
smooth = 0.3
fade = dsp.win('rsaw', 0, 1)
out = fx.crossover(snd, amount, smooth, fade)
out.write('tests/renders/fx_crossover_linux.wav')
osc = oscs.Osc('sine', amp=0.2)
out = osc.play(snd.dur)
out = fx.crossover(out, amount, smooth, fade)
out.write('tests/renders/fx_crossover_sine.wav')
def test_vpeed(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
speed = dsp.win('hann', 0.5, 2)
out = sound.vspeed(speed)
out.write('tests/renders/soundbuffer_vspeed_0.5_2.wav')
speed = dsp.win('hann', 0.15, 0.5)
out = sound.vspeed(speed)
out.write('tests/renders/soundbuffer_vspeed_0.15_0.5.wav')
speed = dsp.win('hann', 5, 50)
out = sound.vspeed(speed)
out.write('tests/renders/soundbuffer_vspeed_5_50.wav')
def test_add_wavetables(self):
win = dsp.win([1, 2, 3])
self.assertEqual(len(win), 3)
self.assertEqual(win + 2, dsp.win([1, 2, 3, 2]))
self.assertEqual(win, dsp.win([1, 2, 3]))
self.assertEqual(win + dsp.win([1, 3, 5]), dsp.win([1, 2, 3, 1, 3, 5]))
self.assertEqual(win, dsp.win([1, 2, 3]))
self.assertEqual(dsp.win([1, 3, 5]) + win, dsp.win([1, 3, 5, 1, 2, 3]))
self.assertEqual(win, dsp.win([1, 2, 3]))
with self.assertRaises(TypeError):
2 + win
self.assertEqual(win, dsp.win([1, 2, 3]))
def test_sub_wavetables(self):
win = dsp.win([1, 2, 3])
self.assertEqual(len(win), 3)
self.assertEqual(win - 2, dsp.win([-1, 0, 1]))
self.assertEqual(win, dsp.win([1, 2, 3]))
self.assertEqual(win - dsp.win([1, 3, 5]), dsp.win([0, -1, -2]))
self.assertEqual(win, dsp.win([1, 2, 3]))
self.assertEqual(dsp.win([1, 3, 5]) - win, dsp.win([0, 1, 2]))
self.assertEqual(win, dsp.win([1, 2, 3]))
with self.assertRaises(TypeError):
2 - win
self.assertEqual(win, dsp.win([1, 2, 3]))
def test_mul_wavetables(self):
win = dsp.win([1, 2, 3])
self.assertEqual(len(win), 3)
self.assertEqual(win * 2, dsp.win([2, 4, 6]))
self.assertEqual(win, dsp.win([1, 2, 3]))
self.assertEqual(win * dsp.win([1, 3, 5]), dsp.win([1, 6, 15]))
self.assertEqual(win, dsp.win([1, 2, 3]))
self.assertEqual(dsp.win([1, 3, 5]) * win, dsp.win([1, 6, 15]))
self.assertEqual(win, dsp.win([1, 2, 3]))
with self.assertRaises(TypeError):
2 * win
self.assertEqual(win, dsp.win([1, 2, 3]))
def test_long_graincloud(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
length = 90
grainlength = dsp.win('hann', 0.01, 0.08)
grid = dsp.win('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/graincloud_long.wav')
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_long_graincloud(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
length = 90
grainlength = dsp.win('hann', 0.01, 0.08)
grid = dsp.win('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/graincloud_long.wav')
def makekick(length=0.25):
out = noise.bln('square', length,
[dsp.rand(80, 100), dsp.rand(50, 100)],
[dsp.rand(150, 200), dsp.rand(50, 70)])
out = fx.fold(out, amp=dsp.win('saw', 1, dsp.rand(6, 10)))
out = fx.lpf(out, 200).vspeed([1, 0.5])
return out.env('pluckout').taper(0.02) * dsp.rand(0.6, 1)
def test_crushed(self):
wt = dsp.win('sinc')
wt.skew(0.65)
wt.crush(10)
wt.normalize(1)
wt.graph(
'tests/renders/graph_skewed_crushed_normalized_sinc_window.png',
stroke=3)
def test_vspeed(self):
g = dsp.read('tests/sounds/guitar10s.wav')
lfo = dsp.win('sine', 4096)
snd = fx.vspeed(g, lfo, 0.5, 1)
snd = fx.norm(snd, 1)
g = dsp.read('tests/sounds/guitar10s.wav')
snd = snd + g
snd.write('tests/renders/fx_vspeed.wav')
def test_shape_pulsar(self):
dsp.seed()
for i in range(4):
wts = [shapes.wt('sine', length=1) for _ in range(3)]
wins = [shapes.win('sine', length=1) for _ in range(3)]
wins = [w * dsp.win('hann') for w in wins]
amp = shapes.win('sine', length=1)
pw = dsp.win(shapes.win('sine', length=1), 0.1, 1)
freq = dsp.win(shapes.win('sine', length=1), 20, 260)
grid = dsp.win(shapes.win('sine', length=1), 0.001, 0.75)
gl = dsp.win(shapes.win('sine', length=1), 0.03, 0.3)
win = shapes.win('sine', length=1) * dsp.win('hann')
out = oscs.Pulsar2d(
wts,
windows=wins,
freq=freq,
pulsewidth=pw,
amp=amp,
).play(dsp.rand(0.2, 1)).cloud(length=20,
window=win,
grainlength=gl,
grid=grid,
speed=dsp.win(
shapes.win('sine', length=1),
0.03, 2),
spread='rnd',
jitter='rnd')
out.write('tests/renders/shape_pulsar%s.wav' % i)
def test_crush(self):
snd = dsp.read('tests/sounds/linux.wav')
out = fx.crush(snd)
out.write('tests/renders/fx_crush_linux.wav')
snd = dsp.read('tests/sounds/guitar10s.wav')
out = fx.crush(snd)
out.write('tests/renders/fx_crush_guitar.wav')
out = fx.crush(snd, dsp.win('sine', 2, 16), 44100)
out.write('tests/renders/fx_crush_guitar_vbitdepth.wav')
out = fx.crush(snd, 16, dsp.win('sine', 200, 44100))
out.write('tests/renders/fx_crush_guitar_vsamplerate.wav')
out = fx.crush(snd, dsp.win('hannin', 2, 16),
dsp.win('sine', 200, 44100))
out.write('tests/renders/fx_crush_guitar_vboth.wav')
def theme_synth(length, pos, total_length):
notes = [ rhodes.rhodes(dsp.rand(4, 7), freq, 0.3) for freq in scale ]
themes = [ [ note.speed(dsp.choice(speeds)) for note in notes * 2 ] for theme in range(8) ]
theme = dsp.choice(themes)
theme_note = dsp.choice(theme)
note = fx.crush(theme_note)
return fx.lpf(fx.softclip(note), dsp.win('rnd', 1000, 5000))
def test_create_dss(self):
out = DSS(10, ywidth=0.1, xwidth=0.001, freq=100).play(1)
out.write('tests/renders/osc_dss-wdefault.wav')
out = DSS(10, ywidth=dsp.win('hann', 0.01, 0.05), freq=200).play(1)
out.write('tests/renders/osc_dss-whann-0.01-0.05.wav')
out = DSS(10, ywidth=1, freq=200).play(1)
out.write('tests/renders/osc_dss-w1.wav')
def test_mix_wavetables(self):
win = dsp.win([1, 2, 3])
self.assertEqual(len(win), 3)
self.assertEqual(win & dsp.win([2, 2, 2]), dsp.win([3, 4, 5]))
self.assertEqual(win, dsp.win([1, 2, 3]))
self.assertEqual(win & dsp.win([1, 3, 5]), dsp.win([2, 5, 8]))
self.assertEqual(win, dsp.win([1, 2, 3]))
def play(ctx):
freq = ctx.p.freq or 330.0
length = ctx.p.length or 0.1
amp = dsp.rand(0.1, 0.35)
out = make_note(freq, amp, length)
cld = out.cloud(
length,
window='sine',
position='rnd',
grid=dsp.win('rnd', 0.1, 2),
grainlength=dsp.win('rnd', dsp.MS * 10, dsp.MS * 100),
speed=dsp.win('rnd', 0.5, 2),
)
out = dsp.mix([out, cld])
out = out.adsr(dsp.rand(0.01, 0.02), 0.01, 0.5, 0.1)
yield out
def test_convolve_soundbuffer(self):
sound = SoundBuffer(filename='tests/sounds/guitar1s.wav')
impulse = SoundBuffer(filename='tests/sounds/LittleTikes-A1.wav')
out = sound.convolve(impulse)
out.write('tests/renders/soundbuffer_convolve_guitar_littletikes.wav')
impulse = dsp.win('sinc')
out = sound.convolve(impulse)
out.write('tests/renders/soundbuffer_convolve_guitar_sinc.wav')
def test_fold(self):
amp = dsp.win('hannin', 1, 10)
snd = dsp.read('tests/sounds/guitar1s.wav')
out = fx.fold(snd, amp)
out.write('tests/renders/fx_fold_guitar.wav')
snd = oscs.Osc('sine', freq=200).play(1)
out = fx.fold(snd, amp)
out.write('tests/renders/fx_fold_sine.wav')
def test_create_drunk(self):
out = Drunk(10, freq=200).play(10)
out.write('tests/renders/osc_drunk-wdefault.wav')
out = Drunk(10, width=dsp.win('hann', 0.01, 0.05), freq=200).play(10)
out.write('tests/renders/osc_drunk-whann-0.01-0.05.wav')
out = Drunk(10, width=1, freq=200).play(10)
out.write('tests/renders/osc_drunk-w1.wav')
"""
def test_convolve(self):
sound = dsp.read('tests/sounds/guitar1s.wav')
impulse = dsp.read('tests/sounds/LittleTikes-A1.wav')
out = fx.convolve(sound, impulse)
out.write('tests/renders/fx_convolve_guitar_littletikes.wav')
impulse = dsp.win('sinc')
out = fx.convolve(sound, impulse)
out.write('tests/renders/fx_convolve_guitar_sinc.wav')
def test_graincloud_with_read_lfo(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
cloud = grains.Cloud(sound, position=dsp.win('hann', 0, 1))
length = 30
framelength = int(length * sound.samplerate)
out = cloud.play(length)
self.assertEqual(len(out), framelength)
out.write('tests/renders/graincloud_with_read_lfo.wav')
def test_graincloud_with_read_lfo(self):
sound = SoundBuffer(filename='tests/sounds/linux.wav')
cloud = grains.Cloud(sound, position=dsp.win('hann', 0, 1))
length = 30
framelength = int(length * sound.samplerate)
out = cloud.play(length)
self.assertEqual(len(out), framelength)
out.write('tests/renders/graincloud_with_read_lfo.wav')
def test_create_dss(self):
out = DSS(10, ywidth=0.1, xwidth=0.001, freq=100).play(10)
out.write('tests/renders/osc_dss-wdefault.wav')
out = DSS(10, ywidth=dsp.win('hann', 0.01, 0.05), freq=200).play(10)
out.write('tests/renders/osc_dss-whann-0.01-0.05.wav')
out = DSS(10, ywidth=1, freq=200).play(10)
out.write('tests/renders/osc_dss-w1.wav')
out = DSS(10, freq=[200,300,150,1500], freq_interpolator='trunc').play(10)
out.write('tests/renders/osc_dss-freq-trunc.wav')
def test_create_drunk(self):
out = Drunk(10, freq=200).play(10)
out.write('tests/renders/osc_drunk-wdefault.wav')
out = Drunk(10, width=dsp.win('hann', 0.01, 0.05), freq=200).play(10)
out.write('tests/renders/osc_drunk-whann-0.01-0.05.wav')
out = Drunk(10,
freq=[200,300,400,600]*8,
freq_interpolator='trunc'
).play(10)
out.write('tests/renders/osc_drunk-trunc-freq.wav')
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_fft_process(self):
snd = dsp.read('tests/sounds/guitar1s.wav')
length = 2
def cb(pos, real, imag):
mag, arg = fft.to_polar(real, imag)
mag = fx.lpf(mag, pos * 5000 + 100)
return fft.to_xy(mag, arg)
bs = dsp.win(shapes.win('sine'), 0.05, 0.3)
out = fft.process(snd, bs, length, callback=cb)
out = fx.norm(out, 1)
out.write('tests/renders/fft_process.wav')
def test_graph_rsaw_window(self):
wt = dsp.win('rsaw')
wt.graph('tests/renders/graph_rsaw_window.png', stroke=3)
def test_graph_hamm_window(self):
wt = dsp.win('hamm')
wt.graph('tests/renders/graph_hamm_window.png', stroke=3)
def test_graph_bart_window(self):
wt = dsp.win('bart')
wt.graph('tests/renders/graph_bart_window.png', stroke=3)
def test_graph_tri_window(self):
wt = dsp.win('tri')
wt.graph('tests/renders/graph_tri_window.png', stroke=3)
def test_crushed(self):
wt = dsp.win('sinc')
wt.skew(0.65)
wt.crush(10)
wt.normalize(1)
wt.graph('tests/renders/graph_skewed_crushed_normalized_sinc_window.png', stroke=3)
def test_pong(self):
win = dsp.win('hann', 0, 0.75).harmonics().skewed(0.08).rightpadded(0, mult=4)
win = win + dsp.win('hannout', 0, 0.25, len(win))
win.graph('tests/renders/graph_pong.png', stroke=3)
def test_random_window(self):
length = random.randint(1, 1000)
win = dsp.win('rnd', wtsize=length)
self.assertEqual(length, len(win))
def test_graph_kaiser_window(self):
wt = dsp.win('kaiser')
wt.graph('tests/renders/graph_kaiser_window.png', stroke=3)
def test_graph_sineout_window(self):
wt = dsp.win('sineout')
wt.graph('tests/renders/graph_sineout_window.png', stroke=3)