/*! \page page_filter filter Signal Processing Blocks \section Introduction This is the gr-filter package. It contains signal processing blocks to perform filtering operations. The Python namespace is in gnuradio.filter, which would be normally imported as: \code from gnuradio import filter \endcode See the Doxygen documentation for details about the blocks available in this package. A quick listing of the details can be found in Python after importing by using: \code help(filter) \endcode \section Dependencies The filter blocks depend on \ref page_fft. */