diff options
| author | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2008-02-18 06:27:50 +0000 |
|---|---|---|
| committer | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2008-02-18 06:27:50 +0000 |
| commit | e7fda5b546fb804a735b7880530b76018519faa6 (patch) | |
| tree | 07e5be5049dd7f837cdaf9d85e5414b88971d491 /gnuradio-examples/python/audio | |
| parent | dec3205cba1a23943b40e953a9e103e03be095ef (diff) | |
Merged -r7723:7729 from jcorgan/wav into trunk, with added example program. Adds Martin Braun's gr.wavfile_source and gr.wavfile_sink blocks.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7730 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/audio')
| -rw-r--r-- | gnuradio-examples/python/audio/Makefile.am | 1 | ||||
| -rwxr-xr-x | gnuradio-examples/python/audio/dial_tone_wav.py | 61 |
2 files changed, 62 insertions, 0 deletions
diff --git a/gnuradio-examples/python/audio/Makefile.am b/gnuradio-examples/python/audio/Makefile.am index 6c69588ca0..eeb25d706b 100644 --- a/gnuradio-examples/python/audio/Makefile.am +++ b/gnuradio-examples/python/audio/Makefile.am @@ -27,6 +27,7 @@ EXTRA_DIST = \ audio_play.py \ audio_to_file.py \ dial_tone.py \ + dial_tone_wav.py \ mono_tone.py \ multi_tone.py \ noise.py \ diff --git a/gnuradio-examples/python/audio/dial_tone_wav.py b/gnuradio-examples/python/audio/dial_tone_wav.py new file mode 100755 index 0000000000..6e87b2a48f --- /dev/null +++ b/gnuradio-examples/python/audio/dial_tone_wav.py @@ -0,0 +1,61 @@ +#!/usr/bin/env python +# +# Copyright 2004,2005,2007,2008 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. +# + +# GNU Radio example program to record a dial tone to a WAV file + +from gnuradio import gr +from gnuradio.eng_option import eng_option +from optparse import OptionParser + +class my_top_block(gr.top_block): + + def __init__(self): + gr.top_block.__init__(self) + + usage = "%prog: [options] filename" + parser = OptionParser(option_class=eng_option, usage=usage) + parser.add_option("-r", "--sample-rate", type="eng_float", default=48000, + help="set sample rate to RATE (48000)") + parser.add_option("-N", "--samples", type="eng_float", default=None, + help="number of samples to record") + (options, args) = parser.parse_args () + if len(args) != 1 or options.samples is None: + parser.print_help() + raise SystemExit, 1 + + sample_rate = int(options.sample_rate) + ampl = 0.1 + + src0 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 350, ampl) + src1 = gr.sig_source_f (sample_rate, gr.GR_SIN_WAVE, 440, ampl) + head0 = gr.head(gr.sizeof_float, int(options.samples)) + head1 = gr.head(gr.sizeof_float, int(options.samples)) + dst = gr.wavfile_sink(args[0], 2, int(options.sample_rate), 16) + + self.connect(src0, head0, (dst, 0)) + self.connect(src1, head1, (dst, 1)) + +if __name__ == '__main__': + try: + my_top_block().run() + except KeyboardInterrupt: + pass |