diff options
Diffstat (limited to 'gnuradio-examples/python/audio/spectrum_inversion.py')
| -rwxr-xr-x | gnuradio-examples/python/audio/spectrum_inversion.py | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/gnuradio-examples/python/audio/spectrum_inversion.py b/gnuradio-examples/python/audio/spectrum_inversion.py index 9bb87aa4b1..021e23f2d7 100755 --- a/gnuradio-examples/python/audio/spectrum_inversion.py +++ b/gnuradio-examples/python/audio/spectrum_inversion.py @@ -1,5 +1,25 @@ #!/usr/bin/env python # +# Copyright 2004,2005,2007 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. + +# # Gang - Here's a simple script that demonstrates spectrum inversion # using the multiply by [1,-1] method (mixing with Nyquist frequency). # Requires nothing but a sound card, and sounds just like listening @@ -11,10 +31,10 @@ from gnuradio import audio from gnuradio.eng_option import eng_option from optparse import OptionParser -class my_graph(gr.flow_graph): +class my_top_block(gr.top_block): def __init__(self): - gr.flow_graph.__init__(self) + gr.top_block.__init__(self) parser = OptionParser(option_class=eng_option) parser.add_option("-I", "--audio-input", type="string", default="", @@ -43,6 +63,6 @@ class my_graph(gr.flow_graph): if __name__ == '__main__': try: - my_graph().run() + my_top_block().run() except KeyboardInterrupt: pass |