def test_DFT(self):
testFile = join(self.tmp, 'red_16000.wav')
data, sampleRate = microphone.readWavFile(testFile)
with pytest.raises(OverflowError):
microphone.getDft([])
microphone.getDft(data)
microphone.getDftBins(data)
microphone.getDftBins(data, sampleRate=16000)
microphone.getDft(data, sampleRate=sampleRate)
microphone.getDft(data, wantPhase=True)
# When in the file did the onset tone start and stop?
onset, offset = mic.getMarkerOnset(
chunk=64, secs=0.2) # increase secs if miss the markers
onsets.append(onset)
# display options:
text.draw()
win.flip()
print("%.3f %.3f" % (onset, offset))
if len(event.getKeys(['escape'])):
core.quit()
if len(event.getKeys()):
msg2.draw()
win.flip()
data, sampleRate = microphone.readWavFile(filename)
plotYX(data, list(range(len(data))), "time domain @ %iHz" % sampleRate)
mag, freqV = microphone.getDft(data, sampleRate)
plotYX(mag, freqV,
"frequency domain (marker at %i Hz)" % mic.getMarkerInfo()[0])
# no need to keep the recorded file:
os.unlink(filename)
print("\nmarker onset = %.3fs %.3f (mean SD), relative to start of file" %
(np.mean(onsets), np.std(onsets)))
win.close()
core.quit()
# The contents of this file are in the public domain.
while mic.recorder.running:
core.wait(.01, 0)
# When in the file did the onset tone start and stop?
onset, offset = mic.getMarkerOnset(chunk=64, secs=0.2) # increase secs if miss the markers
onsets.append(onset)
# display options:
text.draw()
win.flip()
print("%.3f %.3f" % (onset, offset))
if len(event.getKeys(['escape'])):
core.quit()
if len(event.getKeys()):
msg2.draw()
win.flip()
data, sampleRate = microphone.readWavFile(filename)
plotYX(data, list(range(len(data))), "time domain @ %iHz" % sampleRate)
mag, freqV = microphone.getDft(data, sampleRate)
plotYX(mag, freqV, "frequency domain (marker at %i Hz)" % mic.getMarkerInfo()[0])
# no need to keep the recorded file:
os.unlink(filename)
print("\nmarker onset = %.3fs %.3f (mean SD), relative to start of file" % (np.mean(onsets), np.std(onsets)))
win.close()
core.quit()
# The contents of this file are in the public domain.