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Diffstat (limited to 'gnuradio-examples/python/audio/dialtone_v.py')
| -rwxr-xr-x | gnuradio-examples/python/audio/dialtone_v.py | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/gnuradio-examples/python/audio/dialtone_v.py b/gnuradio-examples/python/audio/dialtone_v.py deleted file mode 100755 index ab1ca2a641..0000000000 --- a/gnuradio-examples/python/audio/dialtone_v.py +++ /dev/null @@ -1,71 +0,0 @@ -#!/usr/bin/env python - -# Copyright 2006 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, audio -from math import pi, sin - -""" -This test script demonstrates the use of element-wise vector processing -vs. stream processing. The example is artificial in that the stream -version in dial_tone.py is the normal way to do it; in addition, the -envelope processing here is just for demo purposes and isn't needed. -""" - -# For testing different buffer sizes -rate = 48000 - -fg = gr.flow_graph() - -# Two streams of floats -a = gr.sig_source_f(rate, gr.GR_SIN_WAVE, 350, 0.5, 0.0); -b = gr.sig_source_f(rate, gr.GR_SIN_WAVE, 440, 0.5, 0.0); - -# Turn them into vectors of length 'size' -av = gr.stream_to_vector(gr.sizeof_float, rate) -bv = gr.stream_to_vector(gr.sizeof_float, rate) - -# Make a vector adder for float vectors -adder = gr.add_vff(rate) - -# Make a 1 Hz sine envelope -envelope = [sin(2*pi*x/rate)*0.5 for x in range(rate)] -multiplier = gr.multiply_const_vff(envelope) - -# Make an offset adder -offset = gr.add_const_vff((0.5,)*rate) - -# Turn the vector back into a stream of floats -result = gr.vector_to_stream(gr.sizeof_float, rate) - -# Play it -sink = audio.sink(rate) - -fg.connect(a, av) -fg.connect(b, bv) -fg.connect(av, (adder, 0)) -fg.connect(bv, (adder, 1)) -fg.connect(adder, multiplier, offset, result, sink) - -try: - fg.run() -except KeyboardInterrupt: - pass |