def rhodes(total_time, freq=220.0, ampscale=0.5):
freq *= 2**dsp.randint(0, 2)
partials = [
# Multiple, amplitude, duration
[1, 0.6, 1.0],
[2, 0.25, 0.35],
[3, 0.08, 0.15],
[4, 0.005, 0.04],
]
layers = []
for plist in partials:
#env_length = (total_time * plist[2] * 2) / 32
partial = oscs.Osc('sine',
freq=plist[0] * freq,
amp=plist[1] *
ampscale).play(total_time).env('hannout')
#partial = dsp.split(partial, 32)
#partial = [ dsp.amp(partial[i], wtable[i]) for i in range(len(partial)) ]
#layer = ''.join(partial)
layers += [partial]
out = dsp.mix(layers)
n = noise.bln('sine', out.dur, 2000, 20000) * 0.005
out = dsp.mix([out, n])
return out
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 __init__(self, params):
buff = SoundBuffer(channels=1)
length = 1
if params.isNoise == 1:
buff = noise.bln(params.getOscType(),
params.getLength(),
30,
150000,
channels=1)
else:
buff = Osc(str(params.getOscType()),
freq=list(params.getPitches()),
channels=1).play(params.getLength())
buff = buff.adsr(a=params.A, d=params.D, s=params.S, r=params.R)
bpfilter = params.getBandPass()
buff.frames = helpers.butter_bandpass_filter(buff.frames,
bpfilter[0],
bpfilter[1],
sr,
order=bpfilter[2])
#a high pass
buff.frames = helpers.butter_bandpass_filter(buff.frames,
80,
15000,
sr,
order=8)
self.buff = buff
def makekick(ctx):
length = kick_lfo.interp(ctx.pos)
out = noise.bln('square', length,
[dsp.rand(80, 100), dsp.rand(50, 100)],
[dsp.rand(150, 200), dsp.rand(50, 70)])
out = fx.crush(out, dsp.rand(6, 10), dsp.rand(11000, 44100))
out = fx.lpf(out, 200).vspeed([1, 0.5])
return out.env('pluckout').taper(0.02) * dsp.rand(0.6, 1)
def play(ctx):
length = dsp.rand(6, 12)
highfreq = dsp.rand(10000, 20000)
lowfreq = highfreq - dsp.rand(1000, 5000)
out = noise.bln('sine', length, lowfreq, highfreq)
out = out.env('hann') * dsp.rand(0.01, 0.04)
out = out.pan('rnd')
yield out
def __init__(self, params):
buff = SoundBuffer(channels=1)
length = 1
if params.isNoise == 1:
buff = noise.bln(str(params.oscType),
params.length,
30,
150000,
channels=1)
else:
buff = Osc(str(params.oscType), freq=params.pitches,
channels=1).play(params.length)
buff = buff.adsr(a=params.A, d=params.D, s=params.S, r=params.R)
buff.frames = butter_bandpass_filter(buff.frames,
params.bpCutLow,
params.bpCutHigh,
sr,
order=params.bpOrder)
self.buff = buff
def makeclap(length=dsp.MS * 80):
lowhz = dsp.win('rnd', 3000, 6000)
highhz = dsp.win('rnd', 2000, 8000)
return noise.bln('tri', length, lowhz, highhz).env(pluckout)
def makeclap(ctx):
length = clap_lfo.interp(ctx.pos)
lowhz = dsp.win('rnd', 3000, 6000)
highhz = dsp.win('rnd', 2000, 8000)
return noise.bln('tri', length, lowhz, highhz).env('pluckout')
def makehat(ctx):
length = hat_lfo.interp(ctx.pos)
lowhz = dsp.win('rnd', 9000, 11000)
highhz = dsp.win('rnd', 12000, 14000)
return noise.bln('sine', length, lowhz, highhz).env('pluckout') * 0.5
def makehat(length=dsp.MS * 80):
lowhz = dsp.win('rnd', 9000, 11000)
highhz = dsp.win('rnd', 12000, 14000)
return noise.bln('sine', length, lowhz, highhz).env(pluckout) * 0.5
from pippi import dsp
lowhz = dsp.win('hannin', 9000, 11000)
highhz = dsp.win('hannin', 12000, 14000)
# Graph it
lowhz.graph('docs/tutorials/figures/002-hann-curve.png')
pluckout = dsp.win('pluckout')
pluckout.graph('docs/tutorials/figures/002-pluckout.png')
from pippi import noise
hat = noise.bln('sine', dsp.MS * 80, lowhz, highhz)
hat = hat.env(
pluckout
) * 0.5 # Also multiply by 0.5 to reduce the amplitude of the signal by half
hat.write('docs/tutorials/renders/002-plucked-hat.flac')
def makehat(length=dsp.MS * 80):
lowhz = dsp.win('rnd', 9000, 11000)
highhz = dsp.win('rnd', 12000, 14000)
return noise.bln('sine', length, lowhz, highhz).env(pluckout) * 0.5
lfo = dsp.win('sinc', 0.1,
1) # Hat lengths between 100ms and 1s over a sinc window
lfo.graph('docs/tutorials/figures/002-sinc-win.png', label='sinc window')
out = dsp.buffer(length=30)
def bln(length, low=3000.0, high=7100.0, wform='sine'):
return noise.bln(wform, length, low, high)
def test_bln_high(self):
out = noise.bln('sine', 2, 8000, 15000).env('hann') * 0.1
out.write('tests/renders/noise_bln_high.wav')
def test_bln_low(self):
out = noise.bln('sine', 2, 40, 200).env('hann') * 0.1
out.write('tests/renders/noise_bln_low.wav')
def test_bln_vary(self):
lowf = dsp.win('rnd', 40, 1000)
highf = dsp.win('rnd', 1000, 15000)
out = noise.bln('sine', 2, lowf, highf).env('hann') * 0.1
out.write('tests/renders/noise_bln_vary.wav')
def test_bln_wide(self):
out = noise.bln('sine', 2, 40, 15000).env('hann') * 0.1
out.write('tests/renders/noise_bln_wide.wav')
