예제 #1
0
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)
예제 #2
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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)
예제 #3
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	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)
예제 #4
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파일: plain.py 프로젝트: alisdt/OpenSesame
	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)
예제 #5
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    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)
예제 #6
0
파일: synth.py 프로젝트: FieldDB/OpenSesame
	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)
예제 #7
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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)
예제 #8
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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)
예제 #9
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                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)