def filtered_square(delay, note, amp, dur=1.):
a = np.sqrt(np.linspace(1., 0., 15))
t = pyo.HarmTable(a.tolist())
dur *= 2.
env = pyo.Fader(fadein=.02, fadeout=0.02, dur=dur * 0.9,
mul=amp).play(dur=2.5 * dur, delay=delay)
adsr = pyo.Adsr(attack=dur * 0.05,
sustain=0.707,
decay=0.1 * dur,
release=dur * 0.7,
dur=dur * 0.9,
mul=amp).play(dur=2.5 * dur, delay=delay)
osc = pyo.Osc(t, freq=pyo.midiToHz(note), mul=adsr).mix(1)
rev = pyo.Freeverb(osc, size=1., damp=0.5, bal=1.,
mul=env).play(dur=2.5 * dur, delay=delay)
# rev.out(delay=delay, dur=dur)
eq = pyo.Biquad(rev, freq=500, q=1., type=2).play(dur=2.5 * dur,
delay=delay)
eq.out(delay=delay, dur=dur)
# eq = None
return osc, env, rev, eq
def __init__(self):
self.trig = pyo.Trig()
decaytable = pyo.LinTable(list=[(0,0), (100, 1.0), (8191, 0.0)])
self.env = pyo.TrigEnv(self.trig, table=decaytable, dur=0.6, mul=[0,0])
self.spectrum = [1.]+[0.]*15 # 16 total
self.waveform = pyo.HarmTable(self.spectrum)
self.osc = pyo.Osc(self.waveform, freq=[0.,0.], mul=self.env)
self.filter = pyo.Biquad(self.osc, freq=[300.,300.], type=2, q=2.)
self.output = self.filter.out()
def create_synth_triangle(self):
'''Create a sawtooth wave synthesizer as a sum of sines
using the PYO HarmTable module.'''
self.log.debug('creating triangle synth [additive]')
c = cycle([1, -1])
l = [next(c)/(i*i) if i % 2 == 1 else 0
for i in range(1, (2*self.nharmonics))]
t = pyo.HarmTable(list=l, size=self.tsize)
return pyo.Osc(table=t,
mul=0,
freq=[FREQ_C4, FREQ_C4])
def playback2(self):
print('pb2')
fader = pyo.Fader(fadein=0.2, fadeout=0.2, dur=5, mul=.2)
table = pyo.HarmTable([1, 2, 2, 5, 9])
glissando = pyo.SigTo(value=self.message_translation[0],
time=0.1,
init=self.message_translation[0])
osc = pyo.Osc(
table=table,
freq=[glissando / 2, (glissando - 1) / 2, (glissando + 100) / 2],
mul=fader)
panner = pyo.Pan(osc,
outs=2,
pan=random.random(),
spread=random.random()).out()
def pat():
freq = random.choice(self.message_translation)
glissando.value = freq
p = pyo.Pattern(pat, [self.message_length, .25, .75]).play()
fader.play()
time.sleep(fader.dur + .05)
osc.stop()
from scipy.signal import argrelextrema
if ENABLE_SONIFICATION: import pyo
RATE = 48000 # audio sampling rate, should stay like this.
# other rates might require new energy calibration
# and will in any case require modification of analysis scripts
FRAME_SIZE = 4096 # size of waveform frame size. could be modified, but not tested
if ENABLE_SONIFICATION:
s = pyo.Server(duplex=0).boot()
s.deactivateMidi()
s.setOutputDevice(1)
pyo.pa_list_devices()
s.start()
tab_m = pyo.HarmTable([
1, 0, 0, 0, 0, .3, 0, 0, 0, 0, 0, .2, 0, 0, 0, 0, 0, .1, 0, 0, 0, 0,
.05
]).normalize()
tab_p = pyo.HarmTable([1, 0, .33, 0, .2, 0, .143, 0, .111])
class Ring:
def __init__(self, fport=250, fmod=100, amp=.3):
self.mod = pyo.Osc(tab_m, freq=fmod, mul=amp)
self.port = pyo.Osc(tab_p, freq=fport, mul=self.mod)
def out(self):
self.port.out()
return self
def sig(self):
return self.port