class PureTone(CarrierSignals.CarrierSignal):
"""The PureTone Carrier Signal class represents a Sinusoidal waveform. As such, it has the parameters Frequency, Amplitude, and Phase"""
def __init__(self, parent, id, pos=(-1,-1), guiPanel=None):
CarrierSignals.CarrierSignal.__init__(self, parent, id, pos, guiPanel)
self.name = "Pure Tone"
self.frequency = SignalParameter(name="Frequency", type=float, default=1000, range = (0,5000), unit="Hz")
self.amplitude = SignalParameter(name="Amplitude", type=float, default=50, range = (0, 10), unit="V")
self.phase = SignalParameter(name="Phase", type=float, default = 0, range = (-1, 1), unit="radians (pi)")
self.rFrequency = SignalParameter(name="Right Ear Frequency", type=float, default=1000, range=(0,5000), unit="Hz", linkable=True)
self.lFrequency = SignalParameter(name="Left Ear Frequency", type=float, default=1000, range=(0,5000), unit="Hz", linkable=True)
self.rAmplitude = SignalParameter(name="Right Ear Amplitude", type=float, default=50, range = (0, 10), unit="V", linkable=True)
self.lAmplitude = SignalParameter(name="Left Ear Amplitude", type=float, default=50, range = (0, 10), unit="V", linkable=True)
self.rPhase = SignalParameter(name="Right Ear Phase", type=float, default = 0, range = (-1, 1), unit="radians (pi)", linkable=True)
self.lPhase = SignalParameter(name="Left Ear Phase", type=float, default = 0, range = (-1, 1), unit="radians (pi)", linkable=True)
self.monoParameters = [self.frequency, self.amplitude, self.phase]
self.stereoParameters = self.monoParameters + [self.rFrequency, self.lFrequency, self.rAmplitude, self.lAmplitude, self.rPhase, self.lPhase]
self.parameters = self.monoParameters
self.setUpView()
self.createParameterGUI(defaultAxes = {"xy":[(self.parameters[0], self.parameters[1])], "y":[self.parameters[2]]})
def setupLink(self, linkableParam, linkedParam):
def linkDifferenceFunc(linkableParam=linkableParam, linkedParam=linkedParam):
return linkableParam.value - linkedParam.value
linkableParam.bindLinkDifferenceFunc(linkDifferenceFunc)
def changeUnitsWave(self, unit, range=None):
self.amplitude.setUnit(unit, range)
def setStereo(self, stereo):
if stereo == self.stereo: return
self.stereo = stereo
if self.stereo: self.parameters = self.stereoParameters
else: self.parameters = self.monoParameters
self.setUpView()
self.createParameterGUI(defaultAxes = {"xy":[(self.parameters[3], self.parameters[1])], "y":[self.parameters[2]]})
self.loseFocus()
self.gainFocus()
def createWaveform(self, samplesPerSecond=44100, durationInSeconds=1, startAtSample=0):
freqWaveform = self.parameters[0].createWaveform(samplesPerSecond, durationInSeconds, startAtSample)
amplitudeWaveform = self.parameters[1].createWaveform(samplesPerSecond, durationInSeconds, startAtSample)
phaseWaveform = numpy.pi * self.parameters[2].createWaveform(samplesPerSecond, durationInSeconds, startAtSample)
time = numpy.arange(len(amplitudeWaveform))/float(samplesPerSecond)
#print "Freq:",len(freqWaveform),freqWaveform
#print "Ampl:", len(amplitudeWaveform),amplitudeWaveform
#print "Phase:",len(phaseWaveform), phaseWaveform
#print "time:",len(time),time
wave = amplitudeWaveform * numpy.sin(2*numpy.pi*freqWaveform*time+phaseWaveform)
"""f=open('pureAM.csv','w')
for i in xrange(len(wave)):
f.write(str(wave[i])+'\n')
f.close()
"""
return wave
def __init__(self): self.frequency = SignalParameter(name="Frequency", type=float, default=5000, range = (0,30000), unit="Hz") self.amplitude = SignalParameter(name="Amplitude", type=float, default = 1, range = (0, 2), unit=None) self.allParameters = self.getAllParameters() for parameter in self.allParameters.values(): parameter.bindOnSet(self.makeDirty) self.funcCallsOnDirty = [] self.isDirty=self.makeDirty() Waveform.__init__ = None
class RepeatedTrials(Experiments.Experiment):
def __init__(self, parent, id, pos=(-1,-1), guiPanel=None):
Experiments.Experiment.__init__(self, parent, id, pos, guiPanel)
self.name="Trials Experiment"
self.waveInputs = []
self.waveInputs.append(WaveInput.WaveInput(name="Input"))
self.trialParameter = SignalParameter(name="Number of Trials", type=int, default = 1, range = (0,10), unit="", attachable=False)
self.durationParameter = SignalParameter(name="Duration of Trial", type=float, default=1, range=(0,5), unit="sec", attachable=False)
self.timeBetweenTrials = SignalParameter(name="Time Between Trials", type=float, default=0.5, range=(0,5), unit="sec", attachable=False)
self.parameters = [self.trialParameter, self.durationParameter, self.timeBetweenTrials]
self.parameterYRanges = []
self.setUpView()
self.createParameterGUI(defaultAxes = {"xy":[(self.trialParameter, self.durationParameter)], "y":[self.parameters[2]]})
self.currentlyRunningExperiment=False
#self.dspManager = SimpleDSPInterface()
def gainFocus(self):
if self.hasFocus: return
self.guiPanel.focusOn(self.parameterInterface)
FlowChartItems.FlowChartItem.gainFocus(self)
def playWave(self):
trialDuration = self.durationParameter.getValue()
numTrials = int(self.trialParameter.getValue())
timeBetweenTrials = self.timeBetweenTrials.getValue()
samplingRate = self.dspManager.getSamplingRate()
wave = self.waveInputs[0].createWaveform(samplesPerSecond=samplingRate, durationInSeconds=trialDuration)
silence = numpy.zeros(timeBetweenTrials*samplingRate)
buffer = numpy.concatenate([silence, wave]*numTrials)
self.dspManager.uploadBuffer(buffer)
self.dspManager.start()
def stopWave(self):
self.dspManager.stop()
def runExperiment(self):
self.currentlyRunningExperiment=True
self.playWave()
def stopExperiment(self):
self.stopWave()
self.currentlyRunningExperiment=False
def __init__(self, parent, id, pos=(-1,-1), guiPanel=None):
Experiments.Experiment.__init__(self, parent, id, pos, guiPanel)
self.name="Trials Experiment"
self.waveInputs = []
self.waveInputs.append(WaveInput.WaveInput(name="Input"))
self.trialParameter = SignalParameter(name="Number of Trials", type=int, default = 1, range = (0,10), unit="", attachable=False)
self.durationParameter = SignalParameter(name="Duration of Trial", type=float, default=1, range=(0,5), unit="sec", attachable=False)
self.timeBetweenTrials = SignalParameter(name="Time Between Trials", type=float, default=0.5, range=(0,5), unit="sec", attachable=False)
self.parameters = [self.trialParameter, self.durationParameter, self.timeBetweenTrials]
self.parameterYRanges = []
self.setUpView()
self.createParameterGUI(defaultAxes = {"xy":[(self.trialParameter, self.durationParameter)], "y":[self.parameters[2]]})
self.currentlyRunningExperiment=False
class Waveform:
def __init__(self):
self.frequency = SignalParameter(name="Frequency", type=float, default=5000, range = (0,30000), unit="Hz")
self.amplitude = SignalParameter(name="Amplitude", type=float, default = 1, range = (0, 2), unit=None)
self.allParameters = self.getAllParameters()
for parameter in self.allParameters.values():
parameter.bindOnSet(self.makeDirty)
self.funcCallsOnDirty = []
self.isDirty=self.makeDirty()
Waveform.__init__ = None
def getAllParameters(self):
parameterDict = {}
for variableName, variableValue in self.__dict__.iteritems():
if isinstance(variableValue, SignalParameter):
parameterName = variableValue.name if variableValue.name != None else variableName
parameterDict[parameterName] = variableValue
return parameterDict
def bindOnChange(self, func):
self.funcCallsOnDirty.append(func)
def makeDirty(self, *args):
self.isDirty=True
for call in self.funcCallsOnDirty:
call()
def makeClean(self):
self.isDirty=False
def isDirty(self):
return self.isDirty
def rawWaveform(self, samplesPerSecond=44100, durationInSeconds=.0001):
amplitude = self.amplitude.getValue()
frequency = self.frequency.getValue()
numSamples = int(math.ceil(durationInSeconds*samplesPerSecond))
toReturn = numpy.array([amplitude * numpy.sin(2*numpy.pi * frequency * i/float(samplesPerSecond)) for i in xrange(numSamples)])
self.makeClean()
return toReturn
def __init__(self, parent, id, pos=(-1,-1), guiPanel=None):
CarrierSignals.CarrierSignal.__init__(self, parent, id, pos, guiPanel)
self.name = "Pure Tone"
self.frequency = SignalParameter(name="Frequency", type=float, default=1000, range = (0,5000), unit="Hz")
self.amplitude = SignalParameter(name="Amplitude", type=float, default=50, range = (0, 10), unit="V")
self.phase = SignalParameter(name="Phase", type=float, default = 0, range = (-1, 1), unit="radians (pi)")
self.rFrequency = SignalParameter(name="Right Ear Frequency", type=float, default=1000, range=(0,5000), unit="Hz", linkable=True)
self.lFrequency = SignalParameter(name="Left Ear Frequency", type=float, default=1000, range=(0,5000), unit="Hz", linkable=True)
self.rAmplitude = SignalParameter(name="Right Ear Amplitude", type=float, default=50, range = (0, 10), unit="V", linkable=True)
self.lAmplitude = SignalParameter(name="Left Ear Amplitude", type=float, default=50, range = (0, 10), unit="V", linkable=True)
self.rPhase = SignalParameter(name="Right Ear Phase", type=float, default = 0, range = (-1, 1), unit="radians (pi)", linkable=True)
self.lPhase = SignalParameter(name="Left Ear Phase", type=float, default = 0, range = (-1, 1), unit="radians (pi)", linkable=True)
self.monoParameters = [self.frequency, self.amplitude, self.phase]
self.stereoParameters = self.monoParameters + [self.rFrequency, self.lFrequency, self.rAmplitude, self.lAmplitude, self.rPhase, self.lPhase]
self.parameters = self.monoParameters
self.setUpView()
self.createParameterGUI(defaultAxes = {"xy":[(self.parameters[0], self.parameters[1])], "y":[self.parameters[2]]})
