def __init__(self, piylights):
# Setup recorder
FS = 44100
recorder = SoundCardDataSource(num_chunks=1, sampling_rate=FS, chunk_size=441)
#chunk size set for updates every 10ms
#better keep this fixed now...
self.win = self.LiveFFTWindow(recorder, piylights)
self.interval_s = self.win.interval_s
self.win.daemon = True
self.win.start()
self.recorder.num_chunks *= 2
self.resetRanges()
elif text == "-":
self.recorder.num_chunks /= 2
self.resetRanges()
elif text == "p":
self.showPeaks = not self.showPeaks
else:
super(LiveFFTWindow, self).keyPressEvent(event)
# Setup plots
#QtGui.QApplication.setGraphicsSystem('opengl')
app = QtGui.QApplication([])
#pg.setConfigOptions(antialias=True)
# Setup recorder
#FS = 12000
#FS = 22000
FS = 44000
recorder = SoundCardDataSource(num_chunks=3,
sampling_rate=FS,
chunk_size=4 * 1024)
win = LiveFFTWindow(recorder)
## Start Qt event loop unless running in interactive mode or using pyside.
if __name__ == '__main__':
import sys
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()