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authorJohnathan Corgan <jcorgan@corganenterprises.com>2011-07-18 06:28:05 -0700
committerJohnathan Corgan <jcorgan@corganenterprises.com>2011-07-18 10:04:07 -0700
commit30754b17df67a808e7c960d4f3c94a6b05557a17 (patch)
tree2799d8e68ba20d0858c2d9aaf35ed22dd904f990 /gr-vocoder/examples
parenta6a51938fabe4cbcd6de596b479a4f8c343deb86 (diff)
gr-vocoder: reimplemented gr-gsm-fr-vocoder in gr-vocoder
Diffstat (limited to 'gr-vocoder/examples')
-rw-r--r--gr-vocoder/examples/Makefile.am7
-rwxr-xr-xgr-vocoder/examples/gsm_audio_loopback.py44
2 files changed, 50 insertions, 1 deletions
diff --git a/gr-vocoder/examples/Makefile.am b/gr-vocoder/examples/Makefile.am
index b1c7b44d59..7e069865d4 100644
--- a/gr-vocoder/examples/Makefile.am
+++ b/gr-vocoder/examples/Makefile.am
@@ -21,4 +21,9 @@
include $(top_srcdir)/Makefile.common
-SUBDIRS =
+ourdatadir = $(exampledir)/vocoder
+
+dist_ourdata_SCRIPTS = \
+ gsm_audio_loopback.py
+
+
diff --git a/gr-vocoder/examples/gsm_audio_loopback.py b/gr-vocoder/examples/gsm_audio_loopback.py
new file mode 100755
index 0000000000..9904944ced
--- /dev/null
+++ b/gr-vocoder/examples/gsm_audio_loopback.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+#
+# Copyright 2005,2007,2011 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 import audio
+from gnuradio import vocoder
+
+def build_graph():
+ tb = gr.top_block()
+ src = audio.source(8000)
+ src_scale = gr.multiply_const_ff(32767)
+ f2s = gr.float_to_short ()
+ enc = vocoder.gsm_fr_encode_sp()
+ dec = vocoder.gsm_fr_decode_ps()
+ s2f = gr.short_to_float ()
+ sink_scale = gr.multiply_const_ff(1.0/32767.)
+ sink = audio.sink(8000)
+ tb.connect(src, src_scale, f2s, enc, dec, s2f, sink_scale, sink)
+ return tb
+
+if __name__ == '__main__':
+ tb = build_graph()
+ tb.start()
+ raw_input ('Press Enter to exit: ')
+ tb.stop()