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- def update(frames):
- if self.stream.is_active():
- slice = self.left.get_sample_slice(frames, frames + self.window)
- self.stream.write(slice.raw_data)
- z = np.array(slice.get_array_of_samples())
- zft = np.abs(np.fft.fft(z / max(z))) / (self.window * 4)
- lf.set_xdata(x)
- lf.set_ydata(y)
- lf.set_3d_properties(zft)
- lf2.set_xdata(x)
- lf2.set_ydata(y)
- lf2.set_3d_properties(z / 1000000)
- return lf, lf2,
|
