[SciPy-User] filtfilt for sos?

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[SciPy-User] filtfilt for sos?

Neal Becker
I'm wondering about applying filtfilt to sos sections.  Would it be
reasonable to simply apply filtfilt to each 2nd order section, feeding the
output of the 1st into the 2nd?  My guess is that isn't correct, and that
filtfilt needs to be modified to accept a cascaded filter (instead of a
single filter section specified by a,b).

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