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PIA-Group / BioSPPy

Biosignal Processing in Python
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BVP filter #2

Closed ghost closed 8 years ago

ghost commented 8 years ago

I was wondering why you are filtering the BVP signal with a lowpass 4Hz butterworth filter? Is it meant to be a LP 40 Hz filter?

capcarr commented 8 years ago

Indeed, the parameters of the BVP filter are wrong. It should be a 1 Hz to 8 Hz bandpass filter. This is based on typical values found in the literature, as mentioned in this paper.

I'll make the changes and release a new version.