def synth(experiment, osc="sine", freq=440, length=100, attack=0, decay=5): """ desc: | A factory that synthesizes a sound and returns it as a `sampler object`. For a full description of keywords, see `python_workspace_api.synth`. For backwards compatibility, this function behaves as though it is a back-end. arguments: experiment: desc: The experiment object. type: experiment returns: desc: A SAMPLER object. type: sampler """ if np is None: raise osexception( u'The synth is not available, because numpy is missing.') if attack < 0 or attack > length: raise osexception( u'Attack must be a numeric value between 0 and the sound length') if decay < 0 or decay > length: raise osexception( u'Decay must be a numeric value between 0 and the sound length') # We need to multiply the rate by two to get a stereo signal rate = 2*experiment.var.get(u'sampler_frequency', 48100) signal = osc_gen(osc, key_to_freq(freq), length, rate) _envelope = envelope(length, attack, decay, rate) sound = to_int_16(signal * _envelope) return sampler(experiment, sound)
def synth(experiment, osc="sine", freq=440, length=100, attack=0, decay=5): """ desc: | A factory that synthesizes a sound and returns it as a `sampler object`. For a full description of keywords, see `python_workspace_api.synth`. For backwards compatibility, this function behaves as though it is a back-end. arguments: experiment: desc: The experiment object. type: experiment returns: desc: A `sampler` object. type: sampler """ if np is None: raise osexception( u'The synth is not available, because numpy is missing.') if attack < 0 or attack > length: raise osexception( u'Attack must be a numeric value between 0 and the sound length') if decay < 0 or decay > length: raise osexception( u'Decay must be a numeric value between 0 and the sound length') # We need to multiply the rate by two to get a stereo signal rate = 2*experiment.var.get(u'sampler_frequency', 48100) signal = osc_gen(osc, key_to_freq(freq), length, rate) _envelope = envelope(length, attack, decay, rate) sound = to_int_16(signal * _envelope) return sampler(experiment, sound)
def __init__(self, form): self.form = form if self.form.clicks: from openexp.sampler import sampler import os self.click_sound = sampler(self.form.experiment, self.form.experiment.resource(os.path.join( 'widgets', 'interaction.ogg')), duration=0, volume=.5)
def __init__(self, form): self.form = form if self.form.clicks: from openexp.sampler import sampler import os self.click_sound = sampler(self.form.experiment, self.form.experiment.resource(os.path.join( 'widgets', 'interaction.ogg')), duration=0, volume=.5)
def __init__(self,
experiment,
osc="sine",
freq=440,
length=100,
attack=0,
decay=5):
"""
desc:
Initializes the synthesizer.
arguments:
experiment:
desc: The experiment object.
type: experiment
keywords:
osc:
desc: Oscillator, can be "sine", "saw", "square" or
"white_noise".
type: [str, unicode]
freq:
desc: Frequency, either an integer value (value in hertz) or a
string ("A1", "eb2", etc.).
type: [str, unicode, int, float]
length:
desc: The length of the sound in milliseconds.
type: [int, float]
attack:
desc: The attack (fade-in) time in milliseconds.
type: [int, float]
decay:
desc: The decay (fade-out) time in milliseconds.
type: [int, float]
example: |
from openexp.synth import synth
my_synth = synth(exp, freq='b2', length=500)
"""
import numpy as np
from scipy import signal
global np
global signal
self.experiment = experiment
# We need to multiply the rate by two to get a stereo signal
rate = 2 * self.experiment.get_check(u'sampler_frequency', 48100)
if not hasattr(self, u'osc_%s' % osc):
raise osexception(u'Invalid oscillator for synth: %s' % osc)
osc_fnc = getattr(self, u'osc_%s' % osc)
signal = osc_fnc(self.key_to_freq(freq), length, rate)
envelope = self.envelope(length, attack, decay, rate)
sound = self.to_int_16(signal * envelope)
self.sampler = sampler(experiment, sound)
def __init__(self, experiment, osc="sine", freq=440, length=100, attack=0,
decay=5):
"""
desc:
Initializes the synthesizer.
arguments:
experiment:
desc: The experiment object.
type: experiment
keywords:
osc:
desc: Oscillator, can be "sine", "saw", "square" or
"white_noise".
type: [str, unicode]
freq:
desc: Frequency, either an integer value (value in hertz) or a
string ("A1", "eb2", etc.).
type: [str, unicode, int, float]
length:
desc: The length of the sound in milliseconds.
type: [int, float]
attack:
desc: The attack (fade-in) time in milliseconds.
type: [int, float]
decay:
desc: The decay (fade-out) time in milliseconds.
type: [int, float]
example: |
from openexp.synth import synth
my_synth = synth(exp, freq='b2', length=500)
"""
import numpy as np
from scipy import signal
global np
global signal
self.experiment = experiment
# We need to multiply the rate by two to get a stereo signal
rate = 2*self.experiment.get_check(u'sampler_frequency', 48100)
if not hasattr(self, u'osc_%s' % osc):
raise osexception(u'Invalid oscillator for synth: %s' % osc)
osc_fnc = getattr(self, u'osc_%s' % osc)
signal = osc_fnc(self.key_to_freq(freq), length, rate)
envelope = self.envelope(length, attack, decay, rate)
sound = self.to_int_16(signal * envelope)
self.sampler = sampler(experiment, sound)
def sampler(src, **playback_args):
"""
desc: |
A convenience function that creates a new `sampler` object. For a
description of possible keywords, see:
- %link:manual/python/sampler%
returns:
desc: A SAMPLER object.
type: sampler
example: |
src = exp.pool['bark.ogg']
my_sampler = sampler(src, volume=.5, pan='left')
my_sampler.play()
"""
from openexp.sampler import sampler
return sampler(experiment, src, **playback_args)
def sampler(src, **playback_args): """ desc: | A convenience function that creates a new `sampler` object. For a description of possible keywords, see: - [/python/sampler/](/python/sampler/) returns: desc: A `sampler` object. type: sampler example: | src = exp.pool['bark.ogg'] my_sampler = sampler(src, volume=.5, pan='left') my_sampler.play() """ from openexp.sampler import sampler return sampler(experiment, src, **playback_args)
if cases[28] == 1:
myCanvas.image(crossFull, y=482, x=-652, center=False)
myCanvas.show()
if cases[29] == 1:
myCanvas.image(crossFull, y=515, x=-652, center=False)
myCanvas.show()
else:
if index == 0:
if interruption0 == 1:
interruption0 = 0
resumptionLag12 = self.time() - startTime
totalTime += self.time() - startTime
self.log(",Poubelle," + str(self.time() - startTime))
src = exp.get_file('corbeilleXP.wav')
my_sampler = sampler(exp, src)
my_sampler.play()
if endInterruption:
endInterruption = False
resumptionLag1 = self.time() - resumptionLag1_startTime
else:
if en_colonne:
if cases[index - 1] == 0:
cases[index - 1] = 1
goodClicks += 1
croix = crossFull
else:
goodClicks -= 1
cases[index - 1] = 0
croix = crossEmpty
myCanvas.image(croix, y=y, x=-652, center=False)