From e7fda5b546fb804a735b7880530b76018519faa6 Mon Sep 17 00:00:00 2001
From: jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Mon, 18 Feb 2008 06:27:50 +0000
Subject: 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
---
gnuradio-examples/python/audio/Makefile.am | 1 +
gnuradio-examples/python/audio/dial_tone_wav.py | 61 +++++++++++++++++++++++++
2 files changed, 62 insertions(+)
create mode 100755 gnuradio-examples/python/audio/dial_tone_wav.py
(limited to 'gnuradio-examples/python/audio')
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
--
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