Imported Upstream version 3.2.2

[debian/gnuradio] / gnuradio-core / src / python / gnuradio / blksimpl / wfm_rcv.py

diff --git a/gnuradio-core/src/python/gnuradio/blksimpl/wfm_rcv.py b/gnuradio-core/src/python/gnuradio/blksimpl/wfm_rcv.py
deleted file mode 100644 (file)
index ffcdc14..0000000
--- a/gnuradio-core/src/python/gnuradio/blksimpl/wfm_rcv.py
+++ /dev/null
@@ -1,72 +0,0 @@
-#
-# Copyright 2005 Free Software Foundation, Inc.
-# 
-# This file is part of GNU Radio
-# 
-# GNU Radio is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
-# any later version.
-# 
-# GNU Radio is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with GNU Radio; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 51 Franklin Street,
-# Boston, MA 02110-1301, USA.
-# 
-
-from gnuradio import gr
-from gnuradio.blksimpl.fm_emph import fm_deemph
-import math
-
-class wfm_rcv(gr.hier_block):
-    def __init__ (self, fg, quad_rate, audio_decimation):
-        """
-        Hierarchical block for demodulating a broadcast FM signal.
-        
-        The input is the downconverted complex baseband signal (gr_complex).
-        The output is the demodulated audio (float).
-        
-        @param fg: flow graph.
-        @type fg: flow graph
-        @param quad_rate: input sample rate of complex baseband input.
-        @type quad_rate: float
-        @param audio_decimation: how much to decimate quad_rate to get to audio.
-        @type audio_decimation: integer
-        """
-        volume = 20.
-
-        max_dev = 75e3
-        fm_demod_gain = quad_rate/(2*math.pi*max_dev)
-        audio_rate = quad_rate / audio_decimation
-        
-
-        # We assign to self so that outsiders can grab the demodulator 
-        # if they need to.  E.g., to plot its output.
-        #
-        # input: complex; output: float
-        self.fm_demod = gr.quadrature_demod_cf (fm_demod_gain)
-
-        # input: float; output: float
-        self.deemph = fm_deemph (fg, audio_rate)
-        
-        # compute FIR filter taps for audio filter
-        width_of_transition_band = audio_rate / 32
-        audio_coeffs = gr.firdes.low_pass (1.0,         # gain
-                                           quad_rate,      # sampling rate
-                                           audio_rate/2 - width_of_transition_band,
-                                           width_of_transition_band,
-                                           gr.firdes.WIN_HAMMING)
-        # input: float; output: float
-        self.audio_filter = gr.fir_filter_fff (audio_decimation, audio_coeffs)
-
-        fg.connect (self.fm_demod, self.audio_filter, self.deemph)
-
-        gr.hier_block.__init__(self,
-                               fg,
-                               self.fm_demod,       # head of the pipeline
-                               self.deemph)   # tail of the pipeline