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authorJohnathan Corgan <jcorgan@corganenterprises.com>2011-07-18 15:54:43 -0700
committerJohnathan Corgan <jcorgan@corganenterprises.com>2011-07-18 16:36:15 -0700
commitb409a4b0c6131e01fc5a03c0fc31caa4829b0dec (patch)
tree51ec0115bd114716672f0659800cda933cfc77dd /gr-vocoder/examples
parentc067ea65d7433d4111b344ded6dfbf089062cf33 (diff)
gr-vocoder: re-implemented gr-codec2-vocoder inside gr-vocoder
Diffstat (limited to 'gr-vocoder/examples')
-rw-r--r--gr-vocoder/examples/Makefile.am1
-rwxr-xr-xgr-vocoder/examples/codec2_audio_loopback.py45
2 files changed, 46 insertions, 0 deletions
diff --git a/gr-vocoder/examples/Makefile.am b/gr-vocoder/examples/Makefile.am
index d325ae095d..69aa05e266 100644
--- a/gr-vocoder/examples/Makefile.am
+++ b/gr-vocoder/examples/Makefile.am
@@ -24,5 +24,6 @@ include $(top_srcdir)/Makefile.common
ourdatadir = $(exampledir)/vocoder
dist_ourdata_SCRIPTS = \
+ codec2_audio_loopback.py \
cvsd_audio_loopback.py \
gsm_audio_loopback.py
diff --git a/gr-vocoder/examples/codec2_audio_loopback.py b/gr-vocoder/examples/codec2_audio_loopback.py
new file mode 100755
index 0000000000..54b453f8a5
--- /dev/null
+++ b/gr-vocoder/examples/codec2_audio_loopback.py
@@ -0,0 +1,45 @@
+#!/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.codec2_encode_sp()
+ dec = vocoder.codec2_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()
+ tb.wait()