"""
Objects to perform specific audio signal processing effects such
as distortions, delays, chorus and reverbs.
"""
"""
Copyright 2009-2015 Olivier Belanger
This file is part of pyo, a python module to help digital signal
processing script creation.
pyo is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
pyo is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with pyo. If not, see <http://www.gnu.org/licenses/>.
"""
from ._core import *
from ._maps import *
from .generators import Sine
from .filters import Hilbert
[docs]class Disto(PyoObject):
"""
Kind of Arc tangent distortion.
Apply a kind of arc tangent distortion with controllable drive, followed
by a one pole lowpass filter, to the input signal.
As of version 0.8.0, this object use a simple but very efficient (4x
faster than tanh or atan2 functions) waveshaper formula.
The waveshaper algorithm is:
y[n] = (1 + k) * x[n] / (1 + k * abs(x[n]))
where:
k = (2 * drive) / (1 - drive)
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
drive: float or PyoObject, optional
Amount of distortion applied to the signal, between 0 and 1.
Defaults to 0.75.
slope: float or PyoObject, optional
Slope of the lowpass filter applied after distortion,
between 0 and 1. Defaults to 0.5.
.. seealso::
:py:class:`Degrade`, :py:class:`Clip`
>>> s = Server().boot()
>>> s.start()
>>> a = SfPlayer(SNDS_PATH + "/transparent.aif", loop=True)
>>> lfo = Sine(freq=[.2,.25], mul=.5, add=.5)
>>> d = Disto(a, drive=lfo, slope=.8, mul=.15).out()
"""
def __init__(self, input, drive=0.75, slope=0.5, mul=1, add=0):
pyoArgsAssert(self, "oOOOO", input, drive, slope, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._drive = drive
self._slope = slope
self._in_fader = InputFader(input)
in_fader, drive, slope, mul, add, lmax = convertArgsToLists(self._in_fader, drive, slope, mul, add)
self._base_objs = [
Disto_base(wrap(in_fader, i), wrap(drive, i), wrap(slope, i), wrap(mul, i), wrap(add, i))
for i in range(lmax)
]
self._init_play()
[docs] def setDrive(self, x):
"""
Replace the `drive` attribute.
:Args:
x: float or PyoObject
New `drive` attribute.
"""
pyoArgsAssert(self, "O", x)
self._drive = x
x, lmax = convertArgsToLists(x)
[obj.setDrive(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setSlope(self, x):
"""
Replace the `slope` attribute.
:Args:
x: float or PyoObject
New `slope` attribute.
"""
pyoArgsAssert(self, "O", x)
self._slope = x
x, lmax = convertArgsToLists(x)
[obj.setSlope(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(0.0, 1.0, "lin", "drive", self._drive),
SLMap(0.0, 0.999, "lin", "slope", self._slope),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to process."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def drive(self):
"""float or PyoObject. Amount of distortion."""
return self._drive
@drive.setter
def drive(self, x):
self.setDrive(x)
@property
def slope(self):
"""float or PyoObject. Slope of the lowpass filter."""
return self._slope
@slope.setter
def slope(self, x):
self.setSlope(x)
[docs]class Delay(PyoObject):
"""
Sweepable recursive delay.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to delayed.
delay: float or PyoObject, optional
Delay time in seconds. Defaults to 0.25.
feedback: float or PyoObject, optional
Amount of output signal sent back into the delay line.
Defaults to 0.
maxdelay: float, optional
Maximum delay length in seconds. Available only at initialization.
Defaults to 1.
.. note::
The minimum delay time allowed with Delay is one sample. It can be computed
with :
onesamp = 1.0 / s.getSamplingRate()
.. seealso::
:py:class:`SDelay`, :py:class:`SmoothDelay`, :py:class:`Waveguide`
>>> s = Server().boot()
>>> s.start()
>>> a = SfPlayer(SNDS_PATH + "/transparent.aif", loop=True, mul=.3).mix(2).out()
>>> d = Delay(a, delay=[.15,.2], feedback=.5, mul=.4).out()
"""
def __init__(self, input, delay=0.25, feedback=0, maxdelay=1, mul=1, add=0):
pyoArgsAssert(self, "oOOnOO", input, delay, feedback, maxdelay, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._delay = delay
self._feedback = feedback
self._maxdelay = maxdelay
self._in_fader = InputFader(input)
in_fader, delay, feedback, maxdelay, mul, add, lmax = convertArgsToLists(
self._in_fader, delay, feedback, maxdelay, mul, add
)
self._base_objs = [
Delay_base(
wrap(in_fader, i), wrap(delay, i), wrap(feedback, i), wrap(maxdelay, i), wrap(mul, i), wrap(add, i)
)
for i in range(lmax)
]
self._init_play()
[docs] def setDelay(self, x):
"""
Replace the `delay` attribute.
:Args:
x: float or PyoObject
New `delay` attribute.
"""
pyoArgsAssert(self, "O", x)
self._delay = x
x, lmax = convertArgsToLists(x)
[obj.setDelay(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setFeedback(self, x):
"""
Replace the `feedback` attribute.
:Args:
x: float or PyoObject
New `feedback` attribute.
"""
pyoArgsAssert(self, "O", x)
self._feedback = x
x, lmax = convertArgsToLists(x)
[obj.setFeedback(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(0.001, self._maxdelay, "log", "delay", self._delay),
SLMap(0.0, 1.0, "lin", "feedback", self._feedback),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to delayed."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def delay(self):
"""float or PyoObject. Delay time in seconds."""
return self._delay
@delay.setter
def delay(self, x):
self.setDelay(x)
@property
def feedback(self):
"""float or PyoObject. Amount of output signal sent back into the delay line."""
return self._feedback
@feedback.setter
def feedback(self, x):
self.setFeedback(x)
[docs]class SDelay(PyoObject):
"""
Simple delay without interpolation.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to delayed.
delay: float or PyoObject, optional
Delay time in seconds. Defaults to 0.25.
maxdelay: float, optional
Maximum delay length in seconds. Available only at initialization.
Defaults to 1.
.. seealso::
:py:class:`Delay`, :py:class:`Delay1`
>>> s = Server().boot()
>>> s.start()
>>> srPeriod = 1. / s.getSamplingRate()
>>> dlys = [srPeriod * i * 5 for i in range(1, 7)]
>>> a = SfPlayer(SNDS_PATH + "/transparent.aif", loop=True)
>>> d = SDelay(a, delay=dlys, mul=.1).out(1)
"""
def __init__(self, input, delay=0.25, maxdelay=1, mul=1, add=0):
pyoArgsAssert(self, "oOnOO", input, delay, maxdelay, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._delay = delay
self._maxdelay = maxdelay
self._in_fader = InputFader(input)
in_fader, delay, maxdelay, mul, add, lmax = convertArgsToLists(self._in_fader, delay, maxdelay, mul, add)
self._base_objs = [
SDelay_base(wrap(in_fader, i), wrap(delay, i), wrap(maxdelay, i), wrap(mul, i), wrap(add, i))
for i in range(lmax)
]
self._init_play()
[docs] def setDelay(self, x):
"""
Replace the `delay` attribute.
:Args:
x: float or PyoObject
New `delay` attribute.
"""
pyoArgsAssert(self, "O", x)
self._delay = x
x, lmax = convertArgsToLists(x)
[obj.setDelay(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [SLMap(0.0001, self._maxdelay, "log", "delay", self._delay), SLMapMul(self._mul)]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to delayed."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def delay(self):
"""float or PyoObject. Delay time in seconds."""
return self._delay
@delay.setter
def delay(self, x):
self.setDelay(x)
[docs]class Waveguide(PyoObject):
"""
Basic waveguide model.
This waveguide model consisting of one delay-line with a simple
lowpass filtering and lagrange interpolation.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
freq: float or PyoObject, optional
Frequency, in cycle per second, of the waveguide (i.e. the inverse
of delay time). Defaults to 100.
dur: float or PyoObject, optional
Duration, in seconds, for the waveguide to drop 40 dB below it's
maxima. Defaults to 10.
minfreq: float, optional
Minimum possible frequency, used to initialized delay length.
Available only at initialization. Defaults to 20.
.. seealso::
:py:class:`Delay`, :py:class:`AllpassWG`, :py:class:`WGVerb`
>>> s = Server().boot()
>>> s.start()
>>> sf = SfPlayer(SNDS_PATH + '/transparent.aif', speed=[.98,1.02], loop=True)
>>> gt = Gate(sf, thresh=-24, risetime=0.005, falltime=0.01, lookahead=5, mul=.2)
>>> w = Waveguide(gt, freq=[60,120.17,180.31,240.53], dur=20, minfreq=20, mul=.4).out()
"""
def __init__(self, input, freq=100, dur=10, minfreq=20, mul=1, add=0):
pyoArgsAssert(self, "oOOnOO", input, freq, dur, minfreq, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._freq = freq
self._dur = dur
self._in_fader = InputFader(input)
in_fader, freq, dur, minfreq, mul, add, lmax = convertArgsToLists(self._in_fader, freq, dur, minfreq, mul, add)
self._base_objs = [
Waveguide_base(wrap(in_fader, i), wrap(freq, i), wrap(dur, i), wrap(minfreq, i), wrap(mul, i), wrap(add, i))
for i in range(lmax)
]
self._init_play()
[docs] def setFreq(self, x):
"""
Replace the `freq` attribute.
:Args:
x: float or PyoObject
New `freq` attribute.
"""
pyoArgsAssert(self, "O", x)
self._freq = x
x, lmax = convertArgsToLists(x)
[obj.setFreq(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setDur(self, x):
"""
Replace the `dur` attribute.
:Args:
x: float or PyoObject
New `dur` attribute.
"""
pyoArgsAssert(self, "O", x)
self._dur = x
x, lmax = convertArgsToLists(x)
[obj.setDur(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [SLMap(10, 500.0, "log", "freq", self._freq), SLMapDur(self._dur), SLMapMul(self._mul)]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to process."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def freq(self):
"""float or PyoObject. Frequency in cycle per second."""
return self._freq
@freq.setter
def freq(self, x):
self.setFreq(x)
@property
def dur(self):
"""float or PyoObject. Resonance duration in seconds."""
return self._dur
@dur.setter
def dur(self, x):
self.setDur(x)
[docs]class AllpassWG(PyoObject):
"""
Out of tune waveguide model with a recursive allpass network.
This waveguide model consisting of one delay-line with a 3-stages recursive
allpass filter which made the resonances of the waveguide out of tune.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
freq: float or PyoObject, optional
Frequency, in cycle per second, of the waveguide (i.e. the inverse
of delay time). Defaults to 100.
feed: float or PyoObject, optional
Amount of output signal (between 0 and 1) sent back into the delay line.
Defaults to 0.95.
detune: float or PyoObject, optional
Control the depth of the allpass delay-line filter, i.e. the depth of
the detuning. Should be in the range 0 to 1. Defaults to 0.5.
minfreq: float, optional
Minimum possible frequency, used to initialized delay length.
Available only at initialization. Defaults to 20.
.. seealso::
:py:class:`Delay`, :py:class:`Waveguide`
>>> s = Server().boot()
>>> s.start()
>>> sf = SfPlayer(SNDS_PATH + '/transparent.aif', speed=[.98,1.02], loop=True)
>>> gt = Gate(sf, thresh=-24, risetime=0.005, falltime=0.01, lookahead=5, mul=.2)
>>> rnd = Randi(min=.5, max=1.0, freq=[.13,.22,.155,.171])
>>> rnd2 = Randi(min=.95, max=1.05, freq=[.145,.2002,.1055,.071])
>>> fx = AllpassWG(gt, freq=rnd2*[74.87,75,75.07,75.21], feed=1, detune=rnd, mul=.15).out()
"""
def __init__(self, input, freq=100, feed=0.95, detune=0.5, minfreq=20, mul=1, add=0):
pyoArgsAssert(self, "oOOOnOO", input, freq, feed, detune, minfreq, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._freq = freq
self._feed = feed
self._detune = detune
self._in_fader = InputFader(input)
in_fader, freq, feed, detune, minfreq, mul, add, lmax = convertArgsToLists(
self._in_fader, freq, feed, detune, minfreq, mul, add
)
self._base_objs = [
AllpassWG_base(
wrap(in_fader, i),
wrap(freq, i),
wrap(feed, i),
wrap(detune, i),
wrap(minfreq, i),
wrap(mul, i),
wrap(add, i),
)
for i in range(lmax)
]
self._init_play()
[docs] def setFreq(self, x):
"""
Replace the `freq` attribute.
:Args:
x: float or PyoObject
New `freq` attribute.
"""
pyoArgsAssert(self, "O", x)
self._freq = x
x, lmax = convertArgsToLists(x)
[obj.setFreq(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setFeed(self, x):
"""
Replace the `feed` attribute.
:Args:
x: float or PyoObject
New `feed` attribute.
"""
pyoArgsAssert(self, "O", x)
self._feed = x
x, lmax = convertArgsToLists(x)
[obj.setFeed(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setDetune(self, x):
"""
Replace the `detune` attribute.
:Args:
x: float or PyoObject
New `detune` attribute.
"""
pyoArgsAssert(self, "O", x)
self._detune = x
x, lmax = convertArgsToLists(x)
[obj.setDetune(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(20.0, 500.0, "log", "freq", self._freq),
SLMap(0.0, 1.0, "lin", "feed", self._feed),
SLMap(0.0, 1.0, "lin", "detune", self._detune),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to process."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def freq(self):
"""float or PyoObject. Frequency in cycle per second."""
return self._freq
@freq.setter
def freq(self, x):
self.setFreq(x)
@property
def feed(self):
"""float or PyoObject. Amount of output signal sent back into the delay line."""
return self._feed
@feed.setter
def feed(self, x):
self.setFeed(x)
@property
def detune(self):
"""float or PyoObject. Depth of the detuning."""
return self._detune
@detune.setter
def detune(self, x):
self.setDetune(x)
[docs]class Freeverb(PyoObject):
"""
Implementation of Jezar's Freeverb.
Freeverb is a reverb unit generator based on Jezar's public domain
C++ sources, composed of eight parallel comb filters, followed by four
allpass units in series. Filters on each stream are slightly detuned
in order to create multi-channel effects.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
size: float or PyoObject, optional
Controls the length of the reverb, between 0 and 1. A higher
value means longer reverb. Defaults to 0.5.
damp: float or PyoObject, optional
High frequency attenuation, between 0 and 1. A higher value
will result in a faster decay of the high frequency range.
Defaults to 0.5.
bal: float or PyoObject, optional
Balance between wet and dry signal, between 0 and 1. 0 means no
reverb. Defaults to 0.5.
.. seealso::
:py:class:`WGVerb`, :py:class:`STRev`, :py:class:`CvlVerb`
>>> s = Server().boot()
>>> s.start()
>>> a = SfPlayer(SNDS_PATH + "/transparent.aif", loop=True, mul=.4)
>>> b = Freeverb(a, size=[.79,.8], damp=.9, bal=.3).out()
"""
def __init__(self, input, size=0.5, damp=0.5, bal=0.5, mul=1, add=0):
pyoArgsAssert(self, "oOOOOO", input, size, damp, bal, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._size = size
self._damp = damp
self._bal = bal
self._in_fader = InputFader(input)
in_fader, size, damp, bal, mul, add, lmax = convertArgsToLists(self._in_fader, size, damp, bal, mul, add)
self._base_objs = [
Freeverb_base(wrap(in_fader, i), wrap(size, i), wrap(damp, i), wrap(bal, i), wrap(mul, i), wrap(add, i))
for i in range(lmax)
]
self._init_play()
[docs] def setSize(self, x):
"""
Replace the `size` attribute.
:Args:
x: float or PyoObject
New `size` attribute.
"""
pyoArgsAssert(self, "O", x)
self._size = x
x, lmax = convertArgsToLists(x)
[obj.setSize(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setDamp(self, x):
"""
Replace the `damp` attribute.
:Args:
x: float or PyoObject
New `damp` attribute.
"""
pyoArgsAssert(self, "O", x)
self._damp = x
x, lmax = convertArgsToLists(x)
[obj.setDamp(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setBal(self, x):
"""
Replace the `bal` attribute.
:Args:
x: float or PyoObject
New `bal` attribute.
"""
pyoArgsAssert(self, "O", x)
self._bal = x
x, lmax = convertArgsToLists(x)
[obj.setMix(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(0.0, 1.0, "lin", "size", self._size),
SLMap(0.0, 1.0, "lin", "damp", self._damp),
SLMap(0.0, 1.0, "lin", "bal", self._bal),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to process."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def size(self):
"""float or PyoObject. Room size."""
return self._size
@size.setter
def size(self, x):
self.setSize(x)
@property
def damp(self):
"""float or PyoObject. High frequency damping."""
return self._damp
@damp.setter
def damp(self, x):
self.setDamp(x)
@property
def bal(self):
"""float or PyoObject. Balance between wet and dry signal."""
return self._bal
@bal.setter
def bal(self, x):
self.setBal(x)
[docs]class Convolve(PyoObject):
"""
Implements filtering using circular convolution.
A circular convolution is defined as the integral of the product of two
functions after one is reversed and shifted.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
table: PyoTableObject
Table containning the impulse response.
size: int
Length, in samples, of the convolution. Available at initialization
time only.
If the table changes during the performance, its size must egal or
greater than this value.
If greater only the first `size` samples will be used.
.. note::
Convolution is very expensive to compute, so the impulse response must
be kept very short to run in real time.
Usually convolution generates a high amplitude level, take care of the
`mul` parameter!
.. seealso::
:py:class:`Follower`
>>> s = Server().boot()
>>> s.start()
>>> snd = SNDS_PATH + '/transparent.aif'
>>> sf = SfPlayer(snd, speed=[.999,1], loop=True, mul=.25).out()
>>> a = Convolve(sf, SndTable(SNDS_PATH+'/accord.aif'), size=512, mul=.2).out()
"""
def __init__(self, input, table, size, mul=1, add=0):
pyoArgsAssert(self, "otiOO", input, table, size, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._table = table
self._size = size
self._in_fader = InputFader(input)
in_fader, table, size, mul, add, lmax = convertArgsToLists(self._in_fader, table, size, mul, add)
self._base_objs = [
Convolve_base(wrap(in_fader, i), wrap(table, i), wrap(size, i), wrap(mul, i), wrap(add, i))
for i in range(lmax)
]
self._init_play()
[docs] def setTable(self, x):
"""
Replace the `table` attribute.
:Args:
x: PyoTableObject
new `table` attribute.
"""
pyoArgsAssert(self, "t", x)
self._table = x
x, lmax = convertArgsToLists(x)
[obj.setTable(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
@property
def input(self):
"""PyoObject. Input signal to filter."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def table(self):
"""PyoTableObject. Table containing the impulse response."""
return self._table
@table.setter
def table(self, x):
self.setTable(x)
[docs]class WGVerb(PyoObject):
"""
8 delay lines mono FDN reverb.
8 delay lines FDN reverb, with feedback matrix based upon physical
modeling scattering junction of 8 lossless waveguides of equal
characteristic impedance.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
feedback: float or PyoObject, optional
Amount of output signal sent back into the delay lines.
Defaults to 0.5.
0.6 gives a good small "live" room sound, 0.8 a small hall,
and 0.9 a large hall.
cutoff: float or PyoObject, optional
cutoff frequency of simple first order lowpass filters in the
feedback loop of delay lines, in Hz. Defaults to 5000.
bal: float or PyoObject, optional
Balance between wet and dry signal, between 0 and 1. 0 means no
reverb. Defaults to 0.5.
.. seealso::
:py:class:`Freeverb`, :py:class:`STRev`, :py:class:`CvlVerb`
>>> s = Server().boot()
>>> s.start()
>>> a = SfPlayer(SNDS_PATH + "/transparent.aif", loop=True)
>>> d = WGVerb(a, feedback=[.74,.75], cutoff=5000, bal=.25, mul=.3).out()
"""
def __init__(self, input, feedback=0.5, cutoff=5000, bal=0.5, mul=1, add=0):
pyoArgsAssert(self, "oOOOOO", input, feedback, cutoff, bal, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._feedback = feedback
self._cutoff = cutoff
self._bal = bal
self._in_fader = InputFader(input)
in_fader, feedback, cutoff, bal, mul, add, lmax = convertArgsToLists(
self._in_fader, feedback, cutoff, bal, mul, add
)
self._base_objs = [
WGVerb_base(wrap(in_fader, i), wrap(feedback, i), wrap(cutoff, i), wrap(bal, i), wrap(mul, i), wrap(add, i))
for i in range(lmax)
]
self._init_play()
[docs] def setFeedback(self, x):
"""
Replace the `feedback` attribute.
:Args:
x: float or PyoObject
New `feedback` attribute.
"""
pyoArgsAssert(self, "O", x)
self._feedback = x
x, lmax = convertArgsToLists(x)
[obj.setFeedback(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setCutoff(self, x):
"""
Replace the `cutoff` attribute.
:Args:
x: float or PyoObject
New `cutoff` attribute.
"""
pyoArgsAssert(self, "O", x)
self._cutoff = x
x, lmax = convertArgsToLists(x)
[obj.setCutoff(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setBal(self, x):
"""
Replace the `bal` attribute.
:Args:
x: float or PyoObject
New `bal` attribute.
"""
pyoArgsAssert(self, "O", x)
self._bal = x
x, lmax = convertArgsToLists(x)
[obj.setMix(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(0.0, 1.0, "lin", "feedback", self._feedback),
SLMap(500.0, 15000.0, "log", "cutoff", self._cutoff),
SLMap(0.0, 1.0, "lin", "bal", self._bal),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to process."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def feedback(self):
"""float or PyoObject. Amount of output signal sent back into the delay lines."""
return self._feedback
@feedback.setter
def feedback(self, x):
self.setFeedback(x)
@property
def cutoff(self):
"""float or PyoObject. Lowpass filter cutoff in Hz."""
return self._cutoff
@cutoff.setter
def cutoff(self, x):
self.setCutoff(x)
@property
def bal(self):
"""float or PyoObject. wet - dry balance."""
return self._bal
@bal.setter
def bal(self, x):
self.setBal(x)
[docs]class Chorus(PyoObject):
"""
8 modulated delay lines chorus processor.
A chorus effect occurs when individual sounds with roughly the same timbre and
nearly (but never exactly) the same pitch converge and are perceived as one.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
depth: float or PyoObject, optional
Chorus depth, between 0 and 5. Defaults to 1.
feedback: float or PyoObject, optional
Amount of output signal sent back into the delay lines.
Defaults to 0.25.
bal: float or PyoObject, optional
Balance between wet and dry signals, between 0 and 1. 0 means no
chorus. Defaults to 0.5.
>>> s = Server().boot()
>>> s.start()
>>> sf = SfPlayer(SNDS_PATH + '/transparent.aif', loop=True, mul=.5)
>>> chor = Chorus(sf, depth=[1.5,1.6], feedback=0.5, bal=0.5).out()
"""
def __init__(self, input, depth=1, feedback=0.25, bal=0.5, mul=1, add=0):
pyoArgsAssert(self, "oOOOOO", input, depth, feedback, bal, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._depth = depth
self._feedback = feedback
self._bal = bal
self._in_fader = InputFader(input)
in_fader, depth, feedback, bal, mul, add, lmax = convertArgsToLists(
self._in_fader, depth, feedback, bal, mul, add
)
self._base_objs = [
Chorus_base(wrap(in_fader, i), wrap(depth, i), wrap(feedback, i), wrap(bal, i), wrap(mul, i), wrap(add, i))
for i in range(lmax)
]
self._init_play()
[docs] def setDepth(self, x):
"""
Replace the `depth` attribute.
:Args:
x: float or PyoObject
New `depth` attribute.
"""
pyoArgsAssert(self, "O", x)
self._depth = x
x, lmax = convertArgsToLists(x)
[obj.setDepth(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setFeedback(self, x):
"""
Replace the `feedback` attribute.
:Args:
x: float or PyoObject
New `feedback` attribute.
"""
pyoArgsAssert(self, "O", x)
self._feedback = x
x, lmax = convertArgsToLists(x)
[obj.setFeedback(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setBal(self, x):
"""
Replace the `bal` attribute.
:Args:
x: float or PyoObject
New `bal` attribute.
"""
pyoArgsAssert(self, "O", x)
self._bal = x
x, lmax = convertArgsToLists(x)
[obj.setMix(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(0.0, 5.0, "lin", "depth", self._depth),
SLMap(0.0, 1.0, "lin", "feedback", self._feedback),
SLMap(0.0, 1.0, "lin", "bal", self._bal),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to process."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def depth(self):
"""float or PyoObject. Chorus depth, between 0 and 5."""
return self._depth
@depth.setter
def depth(self, x):
self.setDepth(x)
@property
def feedback(self):
"""float or PyoObject. Amount of output signal sent back into the delay lines."""
return self._feedback
@feedback.setter
def feedback(self, x):
self.setFeedback(x)
@property
def bal(self):
"""float or PyoObject. wet - dry balance."""
return self._bal
@bal.setter
def bal(self, x):
self.setBal(x)
[docs]class Harmonizer(PyoObject):
"""
Generates harmonizing voices in synchrony with its audio input.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
transpo: float or PyoObject, optional
Transposition factor in semitone. Defaults to -7.0.
feedback: float or PyoObject, optional
Amount of output signal sent back into the delay line.
Defaults to 0.
winsize: float, optional
Window size in seconds (max = 1.0).
Defaults to 0.1.
>>> s = Server().boot()
>>> s.start()
>>> sf = SfPlayer(SNDS_PATH + '/transparent.aif', loop=True, mul=.3).out()
>>> harm = Harmonizer(sf, transpo=-5, winsize=0.05).out(1)
"""
def __init__(self, input, transpo=-7.0, feedback=0, winsize=0.1, mul=1, add=0):
pyoArgsAssert(self, "oOOnOO", input, transpo, feedback, winsize, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._transpo = transpo
self._feedback = feedback
self._winsize = winsize
self._in_fader = InputFader(input)
in_fader, transpo, feedback, winsize, mul, add, lmax = convertArgsToLists(
self._in_fader, transpo, feedback, winsize, mul, add
)
self._base_objs = [
Harmonizer_base(
wrap(in_fader, i), wrap(transpo, i), wrap(feedback, i), wrap(winsize, i), wrap(mul, i), wrap(add, i)
)
for i in range(lmax)
]
self._init_play()
[docs] def setTranspo(self, x):
"""
Replace the `transpo` attribute.
:Args:
x: float or PyoObject
New `transpo` attribute.
"""
pyoArgsAssert(self, "O", x)
self._transpo = x
x, lmax = convertArgsToLists(x)
[obj.setTranspo(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setFeedback(self, x):
"""
Replace the `feedback` attribute.
:Args:
x: float or PyoObject
New `feedback` attribute.
"""
pyoArgsAssert(self, "O", x)
self._feedback = x
x, lmax = convertArgsToLists(x)
[obj.setFeedback(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setWinsize(self, x):
"""
Replace the `winsize` attribute.
:Args:
x: float
New `winsize` attribute.
"""
pyoArgsAssert(self, "n", x)
self._winsize = x
x, lmax = convertArgsToLists(x)
[obj.setWinsize(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(-24.0, 24.0, "lin", "transpo", self._transpo),
SLMap(0.0, 1.0, "lin", "feedback", self._feedback),
SLMap(0.001, 1, "log", "winsize", self._winsize, dataOnly=True),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to delayed."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def transpo(self):
"""float or PyoObject. Transposition factor in semitone."""
return self._transpo
@transpo.setter
def transpo(self, x):
self.setTranspo(x)
@property
def feedback(self):
"""float or PyoObject. Amount of output signal sent back into the delay line."""
return self._feedback
@feedback.setter
def feedback(self, x):
self.setFeedback(x)
@property
def winsize(self):
"""float. Window size in seconds (max = 1.0)."""
return self._winsize
@winsize.setter
def winsize(self, x):
self.setWinsize(x)
[docs]class Delay1(PyoObject):
"""
Delays a signal by one sample.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
>>> s = Server().boot()
>>> s.start()
>>> # 50th order FIR lowpass filter
>>> order = 50
>>> objs = [Noise(.3)]
>>> for i in range(order):
... objs.append(Delay1(objs[-1], add=objs[-1]))
... objs.append(objs[-1] * 0.5)
>>> out = Sig(objs[-1]).out()
"""
def __init__(self, input, mul=1, add=0):
pyoArgsAssert(self, "oOO", input, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._in_fader = InputFader(input)
in_fader, mul, add, lmax = convertArgsToLists(self._in_fader, mul, add)
self._base_objs = [Delay1_base(wrap(in_fader, i), wrap(mul, i), wrap(add, i)) for i in range(lmax)]
self._init_play()
@property
def input(self):
"""PyoObject. Input signal to delayed."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
[docs]class STRev(PyoObject):
"""
Stereo reverb.
Stereo reverb based on WGVerb (8 delay line FDN reverb). A mono
input will produce two audio streams, left and right channels.
Therefore, a stereo input will produce four audio streams, left
and right channels for each input channel. Position of input
streams can be set with the `inpos` argument. To achieve a stereo
reverb, delay line lengths are slightly differents on both channels,
but also, pre-delays length and filter cutoff of both channels will
be affected to reflect the input position.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
inpos: float or PyoObject, optional
Position of the source, between 0 and 1. 0 means fully left
and 1 means fully right. Defaults to 0.5.
revtime: float or PyoObject, optional
Duration, in seconds, of the reverberated sound, defined as
the time needed to the sound to drop 40 dB below its peak.
Defaults to 1.
cutoff: float or PyoObject, optional
cutoff frequency, in Hz, of a first order lowpass filters in the
feedback loop of delay lines. Defaults to 5000.
bal: float or PyoObject, optional
Balance between wet and dry signal, between 0 and 1. 0 means no
reverb. Defaults to 0.5.
roomSize: float, optional
Delay line length scaler, between 0.25 and 4. Values higher than
1 make the delay lines longer and simulate larger rooms. Defaults to 1.
firstRefGain: float, optional
Gain, in dB, of the first reflexions of the room. Defaults to -3.
>>> s = Server().boot()
>>> s.start()
>>> t = SndTable(SNDS_PATH + "/transparent.aif")
>>> sf = Looper(t, dur=t.getDur()*2, xfade=0, mul=0.5)
>>> rev = STRev(sf, inpos=0.25, revtime=2, cutoff=5000, bal=0.25, roomSize=1).out()
"""
def __init__(self, input, inpos=0.5, revtime=1, cutoff=5000, bal=0.5, roomSize=1, firstRefGain=-3, mul=1, add=0):
pyoArgsAssert(self, "oOOOOnnOO", input, inpos, revtime, cutoff, bal, roomSize, firstRefGain, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._inpos = inpos
self._revtime = revtime
self._cutoff = cutoff
self._bal = bal
self._roomSize = roomSize
self._firstRefGain = firstRefGain
self._in_fader = InputFader(input)
in_fader, inpos, revtime, cutoff, bal, roomSize, firstRefGain, mul, add, lmax = convertArgsToLists(
self._in_fader, inpos, revtime, cutoff, bal, roomSize, firstRefGain, mul, add
)
self._base_players = [
STReverb_base(
wrap(in_fader, i),
wrap(inpos, i),
wrap(revtime, i),
wrap(cutoff, i),
wrap(bal, i),
wrap(roomSize, i),
wrap(firstRefGain, i),
)
for i in range(lmax)
]
self._base_objs = [
STRev_base(wrap(self._base_players, i), j, wrap(mul, i), wrap(add, i))
for i in range(lmax)
for j in range(2)
]
self._init_play()
[docs] def setInpos(self, x):
"""
Replace the `inpos` attribute.
:Args:
x: float or PyoObject
New `inpos` attribute.
"""
pyoArgsAssert(self, "O", x)
self._inpos = x
x, lmax = convertArgsToLists(x)
[obj.setInpos(wrap(x, i)) for i, obj in enumerate(self._base_players)]
[docs] def setRevtime(self, x):
"""
Replace the `revtime` attribute.
:Args:
x: float or PyoObject
New `revtime` attribute.
"""
pyoArgsAssert(self, "O", x)
self._revtime = x
x, lmax = convertArgsToLists(x)
[obj.setRevtime(wrap(x, i)) for i, obj in enumerate(self._base_players)]
[docs] def setCutoff(self, x):
"""
Replace the `cutoff` attribute.
:Args:
x: float or PyoObject
New `cutoff` attribute.
"""
pyoArgsAssert(self, "O", x)
self._cutoff = x
x, lmax = convertArgsToLists(x)
[obj.setCutoff(wrap(x, i)) for i, obj in enumerate(self._base_players)]
[docs] def setBal(self, x):
"""
Replace the `bal` attribute.
:Args:
x: float or PyoObject
New `bal` attribute.
"""
pyoArgsAssert(self, "O", x)
self._bal = x
x, lmax = convertArgsToLists(x)
[obj.setMix(wrap(x, i)) for i, obj in enumerate(self._base_players)]
[docs] def setRoomSize(self, x):
"""
Set the room size scaler, between 0.25 and 4.
:Args:
x: float
Room size scaler, between 0.25 and 4.0.
"""
pyoArgsAssert(self, "n", x)
self._roomSize = x
x, lmax = convertArgsToLists(x)
[obj.setRoomSize(wrap(x, i)) for i, obj in enumerate(self._base_players)]
[docs] def setFirstRefGain(self, x):
"""
Set the gain of the first reflexions.
:Args:
x: float
Gain, in dB, of the first reflexions.
"""
pyoArgsAssert(self, "n", x)
self._firstRefGain = x
x, lmax = convertArgsToLists(x)
[obj.setFirstRefGain(wrap(x, i)) for i, obj in enumerate(self._base_players)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_players]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(0.0, 1.0, "lin", "inpos", self._inpos),
SLMap(0.01, 120.0, "log", "revtime", self._revtime),
SLMap(500.0, 15000.0, "log", "cutoff", self._cutoff),
SLMap(0.0, 1.0, "lin", "bal", self._bal),
SLMap(0.25, 4.0, "lin", "roomSize", self._roomSize, dataOnly=True),
SLMap(-48, 12, "lin", "firstRefGain", self._firstRefGain, dataOnly=True),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to process."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def inpos(self):
"""float or PyoObject. Position of the source."""
return self._inpos
@inpos.setter
def inpos(self, x):
self.setInpos(x)
@property
def revtime(self):
"""float or PyoObject. Room size."""
return self._revtime
@revtime.setter
def revtime(self, x):
self.setRevtime(x)
@property
def cutoff(self):
"""float or PyoObject. High frequency damping."""
return self._cutoff
@cutoff.setter
def cutoff(self, x):
self.setCutoff(x)
@property
def bal(self):
"""float or PyoObject. Balance between wet and dry signal."""
return self._bal
@bal.setter
def bal(self, x):
self.setBal(x)
@property
def roomSize(self):
"""float. Room size scaler, between 0.25 and 4.0."""
return self._roomSize
@roomSize.setter
def roomSize(self, x):
self.setRoomSize(x)
@property
def firstRefGain(self):
"""float. Gain, in dB, of the first reflexions."""
return self._firstRefGain
@firstRefGain.setter
def firstRefGain(self, x):
self.setFirstRefGain(x)
[docs]class SmoothDelay(PyoObject):
"""
Artifact free sweepable recursive delay.
SmoothDelay implements a delay line that does not produce
clicks or pitch shifting when the delay time is changing.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to delayed.
delay: float or PyoObject, optional
Delay time in seconds. Defaults to 0.25.
feedback: float or PyoObject, optional
Amount of output signal sent back into the delay line.
Defaults to 0.
crossfade: float, optional
Crossfade time, in seconds, between overlaped readers.
Defaults to 0.05.
maxdelay: float, optional
Maximum delay length in seconds. Available only at initialization.
Defaults to 1.
.. note::
The minimum delay time allowed with SmoothDelay is one sample.
It can be computed with :
onesamp = 1.0 / s.getSamplingRate()
.. seealso::
:py:class:`Delay`, :py:class:`Waveguide`
>>> s = Server().boot()
>>> s.start()
>>> sf = SfPlayer(SNDS_PATH+"/transparent.aif", loop=True, mul=0.3).mix(2).out()
>>> lf = Sine(freq=0.1, mul=0.24, add=0.25)
>>> sd = SmoothDelay(sf, delay=lf, feedback=0.5, crossfade=0.05, mul=0.7).out()
"""
def __init__(self, input, delay=0.25, feedback=0, crossfade=0.05, maxdelay=1, mul=1, add=0):
pyoArgsAssert(self, "oOOnnOO", input, delay, feedback, crossfade, maxdelay, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._delay = delay
self._feedback = feedback
self._crossfade = crossfade
self._maxdelay = maxdelay
self._in_fader = InputFader(input)
in_fader, delay, feedback, crossfade, maxdelay, mul, add, lmax = convertArgsToLists(
self._in_fader, delay, feedback, crossfade, maxdelay, mul, add
)
self._base_objs = [
SmoothDelay_base(
wrap(in_fader, i),
wrap(delay, i),
wrap(feedback, i),
wrap(crossfade, i),
wrap(maxdelay, i),
wrap(mul, i),
wrap(add, i),
)
for i in range(lmax)
]
self._init_play()
[docs] def setDelay(self, x):
"""
Replace the `delay` attribute.
:Args:
x: float or PyoObject
New `delay` attribute.
"""
pyoArgsAssert(self, "O", x)
self._delay = x
x, lmax = convertArgsToLists(x)
[obj.setDelay(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setFeedback(self, x):
"""
Replace the `feedback` attribute.
:Args:
x: float or PyoObject
New `feedback` attribute.
"""
pyoArgsAssert(self, "O", x)
self._feedback = x
x, lmax = convertArgsToLists(x)
[obj.setFeedback(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def setCrossfade(self, x):
"""
Replace the `crossfade` attribute.
:Args:
x: float
New `crossfade` attribute.
"""
pyoArgsAssert(self, "n", x)
self._crossfade = x
x, lmax = convertArgsToLists(x)
[obj.setCrossfade(wrap(x, i)) for i, obj in enumerate(self._base_objs)]
[docs] def reset(self):
"""
Reset the memory buffer to zeros.
"""
[obj.reset() for obj in self._base_objs]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [
SLMap(0.001, self._maxdelay, "log", "delay", self._delay),
SLMap(0.0, 1.0, "lin", "feedback", self._feedback),
SLMap(0.0, self._maxdelay, "lin", "crossfade", self._crossfade, dataOnly=True),
SLMapMul(self._mul),
]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to delayed."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def delay(self):
"""float or PyoObject. Delay time in seconds."""
return self._delay
@delay.setter
def delay(self, x):
self.setDelay(x)
@property
def feedback(self):
"""float or PyoObject. Amount of output signal sent back into the delay line."""
return self._feedback
@feedback.setter
def feedback(self, x):
self.setFeedback(x)
@property
def crossfade(self):
"""float. Crossfade time, in seconds, between overlaps."""
return self._crossfade
@crossfade.setter
def crossfade(self, x):
self.setCrossfade(x)
[docs]class FreqShift(PyoObject):
"""
Frequency shifting using single sideband amplitude modulation.
Shifting frequencies means that the input signal can be detuned,
where the harmonic components of the signal are shifted out of
harmonic alignment with each other, e.g. a signal with harmonics at
100, 200, 300, 400 and 500 Hz, shifted up by 50 Hz, will have harmonics
at 150, 250, 350, 450, and 550 Hz.
:Parent: :py:class:`PyoObject`
:Args:
input: PyoObject
Input signal to process.
shift: float or PyoObject, optional
Amount of shifting in Hertz. Defaults to 100.
>>> s = Server().boot()
>>> s.start()
>>> a = SineLoop(freq=300, feedback=.1, mul=.3)
>>> lf1 = Sine(freq=.04, mul=10)
>>> lf2 = Sine(freq=.05, mul=10)
>>> b = FreqShift(a, shift=lf1, mul=.5).out()
>>> c = FreqShift(a, shift=lf2, mul=.5).out(1)
"""
def __init__(self, input, shift=100, mul=1, add=0):
pyoArgsAssert(self, "oOOO", input, shift, mul, add)
PyoObject.__init__(self, mul, add)
self._input = input
self._shift = shift
self._in_fader = InputFader(input)
in_fader, shift, mul, add, lmax = convertArgsToLists(self._in_fader, shift, mul, add)
self._hilb_objs = []
self._sin_objs = []
self._cos_objs = []
self._mod_objs = []
self._base_objs = []
for i in range(lmax):
self._hilb_objs.append(Hilbert(wrap(in_fader, i)))
self._sin_objs.append(Sine(freq=wrap(shift, i), mul=0.707))
self._cos_objs.append(Sine(freq=wrap(shift, i), phase=0.25, mul=0.707))
self._mod_objs.append(
Mix(
self._hilb_objs[-1]["real"] * self._sin_objs[-1] - self._hilb_objs[-1]["imag"] * self._cos_objs[-1],
mul=wrap(mul, i),
add=wrap(add, i),
)
)
self._base_objs.extend(self._mod_objs[-1].getBaseObjects())
self._init_play()
[docs] def play(self, dur=0, delay=0):
dur, delay, lmax = convertArgsToLists(dur, delay)
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._hilb_objs)]
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._sin_objs)]
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._cos_objs)]
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._mod_objs)]
return PyoObject.play(self, dur, delay)
[docs] def stop(self, wait=0):
[obj.stop(wait) for obj in self._hilb_objs]
[obj.stop(wait) for obj in self._sin_objs]
[obj.stop(wait) for obj in self._cos_objs]
[obj.stop(wait) for obj in self._mod_objs]
return PyoObject.stop(self, wait)
[docs] def out(self, chnl=0, inc=1, dur=0, delay=0):
dur, delay, lmax = convertArgsToLists(dur, delay)
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._hilb_objs)]
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._sin_objs)]
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._cos_objs)]
[obj.play(wrap(dur, i), wrap(delay, i)) for i, obj in enumerate(self._mod_objs)]
return PyoObject.out(self, chnl, inc, dur, delay)
[docs] def setShift(self, x):
"""
Replace the `shift` attribute.
Parameters:
x: float or PyoObject
New `shift` attribute.
"""
pyoArgsAssert(self, "O", x)
self._shift = x
x, lmax = convertArgsToLists(x)
[obj.setFreq(wrap(x, i)) for i, obj in enumerate(self._sin_objs)]
[obj.setFreq(wrap(x, i)) for i, obj in enumerate(self._cos_objs)]
[docs] def ctrl(self, map_list=None, title=None, wxnoserver=False):
self._map_list = [SLMap(-2000.0, 2000.0, "lin", "shift", self._shift), SLMapMul(self._mul)]
PyoObject.ctrl(self, map_list, title, wxnoserver)
@property
def input(self):
"""PyoObject. Input signal to pitch shift."""
return self._input
@input.setter
def input(self, x):
self.setInput(x)
@property
def shift(self):
"""float or PyoObject. Amount of pitch shift in Hertz."""
return self._shift
@shift.setter
def shift(self, x):
self.setShift(x)