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scipy.signal.

# sosfreqz

scipy.signal.sosfreqz(*args, **kwargs)

  > Compute the frequency response of a digital filter in SOS format (legacy).

  Legacy

  This function is considered legacy and will no longer receive updates. While we currently have no plans to remove it, we recommend that new code uses more modern alternatives instead. This function is an alias, provided for backward compatibility. New code should use the function `scipy.signal.freqz_sos`. This function became obsolete from version 1.15.0.