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 filtered_saw(delay, note, amp, dur=1.):
t = pyo.SawTable(order=15).normalize()
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,
decay=0.05 * dur,
sustain=0.3,
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=800, q=1., type=0).play(dur=2.5 * dur,
delay=delay)
eq.out(delay=delay, dur=dur)
# eq = None
return osc, env, rev, eq
def __init__(self, freq=500):
self.trig = pyo.Trig()
self.decayTable = pyo.ExpTable([(0,1),(8191,0.001)], exp=5, inverse=False)
self.growthTable = pyo.ExpTable([(0,freq),(8191,2*freq)], exp=5, inverse=True)
self.env = pyo.TrigEnv(self.trig, table=self.decayTable, dur=0.1, mul=0).mix(2)
self.sweep = pyo.TrigEnv(self.trig, table=self.growthTable, dur=0.1)
self.sin = pyo.Sine(freq=self.sweep, mul=self.env)
#self.output = pyo.Delay(self.sin, delay=0.1, feedback=0.5).out()
self.output = pyo.Freeverb(self.sin, size=[.79,.8], damp=.9, bal=.3).out()
def listen(device_num, initial_files):
"""Start listening for MIDI. This function will not block, just
start the audio serber and all the midi handling."""
server = pyo.Server(nchnls=1)
server.deactivateMidi()
server.boot().start()
players = {
note: pyo.SfPlayer(path, mul=.1).stop()
for note, path in initial_files.items()
}
mixdown = pyo.Mix(list(players.values()))
out = pyo.Compress(mixdown)
out = pyo.Freeverb(out).out()
raw = pyo.MidiListener(make_callback(players, out), device_num).start()
return players, server
size += 0.05
x_count += 1
elif y_button:
if y_count % 30 == 0 and size > 0.0:
size -= 0.05
y_count += 1
if a_button:
if a_count % 30 == 0 and damp < 1.0:
damp += 0.05
a_count += 1
elif b_button:
if b_count % 30 == 0 and damp > 0.0:
damp -= 0.05
b_count += 1
if L_button:
if L_count % 30 == 0 and bal > 0.0:
bal -= 0.05
L_count += 1
elif R_button:
if R_count % 30 == 0 and bal < 1.0:
bal += 0.05
R_count += 1
# Execution Section
audioIn.out()
reverb = pyo.Freeverb(audioIn, size=size, damp=damp, bal=bal).out()
clock.tick(60)
pygame.quit()