def chirp():
r = dsp.rand(3.6, 3.99)
numpoints = dsp.randint(10, 30)
freq = dsp.rand(200, 1000)
slength = dsp.rand(0.05, 0.5)
length = dsp.stf(slength)
log = data.Logistic(r, size=numpoints)
mod = dsp.breakpoint([0] + [dsp.rand()
for r in range(numpoints / 3)] + [0],
numpoints)
mod = [p * log.get() for p in mod]
modr = dsp.rand(1, 5)
modf = 1.0 / slength
wf = dsp.wavetable('sine2pi', 512)
win = dsp.wavetable('sine', 512)
pw = dsp.rand(0.5, 1)
amp = dsp.rand(0.1, 0.3)
out = dsp.pulsar(freq, length, pw, wf, win, mod, modr, modf, amp)
out = dsp.env(out, 'random')
out = dsp.taper(out, dsp.mstf(10))
out = dsp.pan(out, dsp.rand())
out = dsp.pad(out, 0, dsp.stf(dsp.rand(0.1, 0.3)))
return out
from matplotlib import pyplot as pp
from pippi import dsp
from hcj import data
length = dsp.stf(3)
curves = tuple(
[data.Logistic(dsp.rand(3.8, 4), 0.1, length).data for _ in range(3)])
y = [(a * b * c) / 3.0 for a, b, c in zip(*curves)]
freq = (1.0 / 3) / 200.0
amp = 0.5
out = dsp.ctone(freq, length, y, amp)
dsp.write(out, 'plot')
#x = range(len(y))
#pp.plot(x, y)
#pp.grid(True)
#pp.show()
numevents = 100
numlayers = 3
layers = []
for _ in range(numlayers):
layer = ''
for _ in range(numevents):
slength = dsp.rand(0.1, 4)
length = dsp.stf(slength)
freq = (1.0 / slength) * dsp.rand(0.5, 10)
amp = dsp.rand(0.1, 0.5)
log = dsp.breakpoint(
data.Logistic(dsp.rand(3.88, 3.99), 0.5, length / 10).data, length)
mult = dsp.breakpoint(
[0] + [dsp.rand(-1, 1) for _ in range(dsp.randint(50, 100))] + [0],
length)
wf = [m * l for m, l in zip(mult, log)]
o = dsp.ctone(freq, length, wf, amp)
o = dsp.env(o, 'random')
o = dsp.pan(o, dsp.rand())
o = dsp.taper(o, dsp.mstf(20))
layer += o
layers += [layer]
pans = dsp.breakpoint([dsp.rand() for _ in range(55)], numgrains)
lens = [
dsp.mstf(l * 80 + 20)
for l in dsp.wavetable('line', numgrains / dsp.randint(50, 100))
]
seeds = [
s * 0.3 + 3.69
for s in dsp.wavetable('line', numgrains / dsp.randint(50, 100))
]
freqs = [
f * 90 + 10
for f in dsp.wavetable('line', numgrains / dsp.randint(50, 100))
]
for freq, seed, length, pan in zip(freqs, seeds, lens, pans):
log = data.Logistic(seed, 0.5, 555)
amp = dsp.rand(0.1, 0.75)
grain = dsp.ctone(freq, length, log.data, amp)
grain = dsp.env(grain, 'random')
grain = dsp.taper(grain, dsp.mstf(5))
grain = dsp.pan(grain, pan)
layer += grain
layers += [layer]
out = dsp.mix(layers)
dsp.write(out, 'cdelsu')
from pippi import dsp
from hcj import data
layers = []
numgrains = 5555
for _ in range(2):
layer = ''
pans = dsp.breakpoint([dsp.rand() for _ in range(55)], numgrains)
for i in range(numgrains):
freq = dsp.rand(10, 100)
log = data.Logistic(dsp.rand(3.78, 3.99), 0.5, 555)
amp = dsp.rand(0.1, 0.5)
grain = dsp.ctone(freq, dsp.mstf(dsp.rand(5, 150)), log.data, amp)
grain = dsp.env(grain, 'random')
grain = dsp.taper(grain, dsp.mstf(5))
grain = dsp.pan(grain, pans[i])
layer += grain
layers += [layer]
out = dsp.mix(layers)
dsp.write(out, 'cludes')
def play(ctl):
p = ctl.get('param')
key = p.get('key', 'c')
mpk = ctl.get('midi').get('mpk')
bpm = p.get('bpm', 100)
beat = dsp.bpm2frames(bpm)
length = beat * 2 * mpk.geti(6, low=1, high=6)
gamut = mpk.geti(20)
poly = mpk.geti(21)
logistic = mpk.geti(22)
layered = mpk.geti(23)
fixed = mpk.get(24)
perc = mpk.get(25)
wobble = mpk.get(26)
min_octave = mpk.geti(4, low=1, high=4)
max_octave = mpk.geti(4, low=3, high=7)
octave = dsp.randint(min_octave, max_octave)
k = dsp.randchoose(snds.search('mc303/*kick*'))
h = dsp.randchoose(snds.search('mc303/*hat*'))
c = dsp.randchoose(snds.search('mc303/*clap*'))
pointer = p.get('pointer', default=0)
log = data.Logistic(r=dsp.rand(3.9, 3.99),
x=0.5,
size=1024,
pointer=pointer)
if fixed:
seed = mpk.get(5)
else:
seed = time.time()
dsp.seed(str(seed))
def makeOnsets(length, wobble, div, num_beats, offset=False):
if offset:
offset = dsp.randint(0, 3)
else:
offset = 0
pattern = dsp.eu(num_beats, dsp.randint(1, num_beats / div), offset)
dsp.log(pattern)
if wobble:
points = [dsp.mstf(100, 500) for _ in range(dsp.randint(2, 8))]
plength = sum(points)
mult = length / float(plength)
onsets = curves.bezier(points, num_beats)
onsets = [int(o * mult) for o in onsets]
else:
beat = float(length) / num_beats
num_beats = length / beat
beat = int(round(beat))
onsets = [beat * i for i in range(int(round(num_beats)))]
return onsets
def makeKicks(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 2, 4, True)
kick = dsp.taper(k, 20)
kick = dsp.transpose(kick, dsp.rand(1, 2))
for onset in onsets:
out.add(kick, onset)
out = out.mix()
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
def makeHats(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 1, 16, True)
for onset in onsets:
out.add(h, onset)
out = out.mix()
out = dsp.split(out, dsp.flen(out) / dsp.randchoose([2, 3, 4]))
out = dsp.randshuffle(out)
out = ''.join(out)
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
def makeClaps(length, wobble):
out = Tracks()
onsets = makeOnsets(length, wobble, 2, 8, True)
for onset in onsets:
clap = dsp.stretch(c,
int(dsp.flen(c) * log.get(1, 10)),
grain_size=dsp.randint(20, 120))
out.add(clap, onset)
out = out.mix()
out = dsp.split(out, dsp.flen(out) / dsp.randchoose([2, 3, 4]))
out = [dsp.taper(o, 20) for o in out]
out = dsp.randshuffle(out)
out = ''.join(out)
out = dsp.fill(out, length, silence=False)
return dsp.taper(out, 40)
if mpk.get(8) == 0:
return dsp.pad('', 0, dsp.mstf(100))
def randomScale():
scale = [1, 2, 3, 4, 5, 6, 7, 8]
freqs = tune.fromdegrees(scale, octave=octave, root=key)
return freqs
def gamutScale():
num_notes = dsp.randint(3, 6)
scale = [
dsp.randchoose([1, 2, 3, 4, 5, 6, 7, 8]) for _ in range(num_notes)
]
freqs = tune.fromdegrees(scale, octave=octave, root=key)
return freqs
if gamut:
freqs = gamutScale()
else:
freqs = randomScale()
if layered:
num_layers = dsp.randint(2, 4)
else:
num_layers = 1
layers = []
for _ in range(num_layers):
layer = ''
elapsed = 0
while elapsed < length:
if poly:
num_poly = dsp.randint(1, 3)
else:
num_poly = 1
note_length = beat / dsp.randchoose([1, 2, 3, 4])
notes = []
for _ in range(num_poly):
freq = dsp.randchoose(freqs)
if logistic:
pulsewidth = log.get(low=0.05, high=1)
if log.get() > 0.5:
wf = log.choose(['sine', 'tri', 'saw'])
wf = dsp.wavetable(wf, 512)
else:
points = [
log.get(-1, 1) for _ in range(log.geti(4, 20))
]
wf = dsp.breakpoint(points, 512)
else:
pulsewidth = 1
wf = dsp.wavetable('sine', 512)
note = keys.pulsar(length=note_length,
freq=freq,
wf=wf,
env='phasor',
pulsewidth=pulsewidth)
notes += [note]
notes = dsp.mix(notes)
layer += notes
elapsed += dsp.flen(notes)
layers += [layer]
out = dsp.mix(layers)
out = dsp.amp(out, 0.75)
out = dsp.fill(out, length)
#out = dsp.pad(out, 0, int(dsp.stf(0.5, 1) * mpk.get(7)))
p.set('pointer', log.pointer)
if perc:
kicks = makeKicks(length, wobble)
hats = makeHats(length, wobble)
claps = makeClaps(length, wobble)
out = dsp.mix([out, kicks, hats, claps])
out = dsp.amp(out, mpk.get(8))
return out
from pippi import dsp
from hcj import data
numgrains = 1000
numsines = 100
length = dsp.mstf(100)
dist = data.Logistic(3.99, 0.5, numsines).data
dist = sorted(dist)
lows = dsp.breakpoint([ dsp.rand(10, 100) for _ in range(100) ], numgrains)
highs = dsp.breakpoint([ dsp.rand(100, 1000) for _ in range(100) ], numgrains)
out = ''
for lowfreq, highfreq in zip(lows, highs):
layers = []
for freq in dist:
r = highfreq - lowfreq
layers += [ dsp.pan(dsp.tone(length, freq * r + lowfreq, amp=0.05), dsp.rand()) ]
out += dsp.taper(dsp.env(dsp.mix(layers), 'hann'), dsp.mstf(10))
dsp.write(out, 'shifty')
