def rush(snd):
out = dsp.buffer()
length = random.randint(4410, 44100 * 3)
numbeats = random.randint(16, 64)
reverse = random.choice([True, False])
wintype = random.choice(
['sine', 'tri', 'kaiser', 'hann', 'blackman', None])
wavetable = None if wintype is not None else [
random.random() for _ in range(random.randint(3, 10))
]
pattern = rhythm.curve(numbeats=numbeats,
wintype=wintype,
length=length,
reverse=reverse,
wavetable=wavetable)
minspeed = random.triangular(0.15, 2)
pan = random.random()
for onset in pattern:
hit = snd * random.triangular(0, 0.5)
hit = hit.speed(random.triangular(minspeed, minspeed + 0.08))
hit = hit.pan(pan)
out.dub(hit, onset)
return out
def arp(i):
cluster = dsp.buffer()
length = random.randint(44100, 44100 + 22050)
numnotes = random.randint(3, 12)
onsets = rhythm.curve(numnotes, dsp.RND, length)
chord = chords[i % len(chords)]
freqs = tune.chord(chord, octave=random.randint(1, 3))
for i, onset in enumerate(onsets):
freq = freqs[i % len(freqs)]
note = samp.play(freq)
note = note.pan(random.random())
note *= random.triangular(0, 0.125)
cluster.dub(note, onset / cluster.samplerate)
return cluster
def makesnares():
out = dsp.buffer(length=1)
beat = length
numbeats = 16 * 4 * lenmult
pat = rhythm.topattern('..x...x...x...xx..x...x...x....x')
onsets = rhythm.onsets(pat, beat, numbeats)
for i, pos in enumerate(onsets):
if random.random() > 0.75:
s = dsp.buffer(length=1)
p = rhythm.curve(numbeats=random.randint(4, 10), wintype='random', length=beat*random.randint(2,3))
for o in p:
s.dub(snare.speed(random.triangular(0.9,1.1)) * random.random(), o)
out.dub(s, pos)
out.dub(snare, pos)
return out
reverse = random.choice([True, False])
# Randomly choose a window function for `rhythm.curve`
wintype = random.choice(
['sine', 'tri', 'kaiser', 'hann', 'blackman', None])
# If wintype is None, generate a random list of values to use as a wavetable
wavetable = None if wintype is not None else [
random.random() for _ in range(random.randint(3, 10))
]
# Create a list of onset times for the above params, which we'll use as positions
# to dub the snare sound into the output buffer.
pattern = rhythm.curve(numbeats=numbeats,
wintype=wintype,
length=length,
reverse=reverse,
wavetable=wavetable)
# Set the base speed for the sound -- the snare will be pitch shifted by this amount + some jitter
minspeed = random.triangular(0.15, 2)
# Pick a random place in the stereo field for this pass of snare hits
pan = random.random()
for onset in pattern:
# Loop through the pattern and make a pass through the output buffer,
# dubbing snares into it at the given onset positions
# Copy the snare and scale its amplitude (the * operation will return a copy of the sound)
hit = snare * random.triangular(0, 0.5)
from pippi import dsp, rhythm
import random
out = dsp.buffer()
snare = dsp.read('sounds/snare.wav')
pattern = rhythm.curve(numbeats=64, wintype=dsp.SINE, length=44100 * 4)
for onset in pattern:
out.dub(snare * random.random(), onset / out.samplerate)
out.write('simple_snare_bounce.wav')
from pippi import dsp, rhythm
import random
out = dsp.buffer()
snare = dsp.read('sounds/snare.wav')
pattern = rhythm.curve(numbeats=64, wintype='sine', length=44100 * 4)
for onset in pattern:
out.dub(snare * random.random(), onset)
out.write('beat_example.wav')