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authorMartin Braun <martin.braun@ettus.com>2014-03-07 16:18:16 +0100
committerMartin Braun <martin.braun@ettus.com>2014-03-07 18:10:21 +0100
commite44fe2887ad3755c9320b77d8ac3e5162a9ac665 (patch)
treeb66b77c1643a87346a8014d50e850e63668d268e /gr-vocoder/examples
parent01c4267261937e495545942131b5bd496eba2269 (diff)
vocoder: Fixed GSM GRC bindings and improved docs, provided example
Diffstat (limited to 'gr-vocoder/examples')
-rw-r--r--gr-vocoder/examples/loopback-gsmfr.grc1078
1 files changed, 1078 insertions, 0 deletions
diff --git a/gr-vocoder/examples/loopback-gsmfr.grc b/gr-vocoder/examples/loopback-gsmfr.grc
new file mode 100644
index 0000000000..f1c0e06bd6
--- /dev/null
+++ b/gr-vocoder/examples/loopback-gsmfr.grc
@@ -0,0 +1,1078 @@
+<?xml version='1.0' encoding='ASCII'?>
+<flow_graph>
+ <timestamp>Fri Mar 7 16:29:26 2014</timestamp>
+ <block>
+ <key>options</key>
+ <param>
+ <key>id</key>
+ <value>loopback_gsmfr</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>title</key>
+ <value>GSM Full-Rate 06.10 Codec Looback Test</value>
+ </param>
+ <param>
+ <key>author</key>
+ <value>Martin Braun</value>
+ </param>
+ <param>
+ <key>description</key>
+ <value>An example how to use the GSM-FR Vocoder</value>
+ </param>
+ <param>
+ <key>window_size</key>
+ <value>1280, 1024</value>
+ </param>
+ <param>
+ <key>generate_options</key>
+ <value>qt_gui</value>
+ </param>
+ <param>
+ <key>category</key>
+ <value>Custom</value>
+ </param>
+ <param>
+ <key>run_options</key>
+ <value>prompt</value>
+ </param>
+ <param>
+ <key>run</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>max_nouts</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>realtime_scheduling</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(0, -1)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>48000</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(186, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
+ <param>
+ <key>id</key>
+ <value>scale</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>2**12</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(301, -1)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>qtgui_time_sink_x</key>
+ <param>
+ <key>id</key>
+ <value>qtgui_time_sink_x_0_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>name</key>
+ <value>Audio Pre-Encoding</value>
+ </param>
+ <param>
+ <key>size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>srate</key>
+ <value>8000</value>
+ </param>
+ <param>
+ <key>ymin</key>
+ <value>-1</value>
+ </param>
+ <param>
+ <key>ymax</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>nconnections</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>update_time</key>
+ <value>0.10</value>
+ </param>
+ <param>
+ <key>tr_mode</key>
+ <value>qtgui.TRIG_MODE_FREE</value>
+ </param>
+ <param>
+ <key>tr_slope</key>
+ <value>qtgui.TRIG_SLOPE_POS</value>
+ </param>
+ <param>
+ <key>tr_level</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>tr_delay</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>tr_chan</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>tr_tag</key>
+ <value>""</value>
+ </param>
+ <param>
+ <key>entags</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>gui_hint</key>
+ <value></value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(434, 202)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>rational_resampler_xxx</key>
+ <param>
+ <key>id</key>
+ <value>rational_resampler_xxx_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>fff</value>
+ </param>
+ <param>
+ <key>interp</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>6</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value></value>
+ </param>
+ <param>
+ <key>fbw</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(204, 94)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_sink</key>
+ <param>
+ <key>id</key>
+ <value>virtual_sink_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>Unencoded Speech</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(508, 25)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_source</key>
+ <param>
+ <key>id</key>
+ <value>virtual_source_1_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>Decoded Speech</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(3, 449)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_source</key>
+ <param>
+ <key>id</key>
+ <value>virtual_source_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>Unencoded Speech</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(-1, 389)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>variable_qtgui_check_box</key>
+ <param>
+ <key>id</key>
+ <value>play_encoded</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Encode Audio</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>int</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>true</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>false</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>gui_hint</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(834, 0)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blks2_selector</key>
+ <param>
+ <key>id</key>
+ <value>blks2_selector_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>2</value>
+ </param>
+ <param>
+ <key>num_outputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>input_index</key>
+ <value>play_encoded</value>
+ </param>
+ <param>
+ <key>output_index</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(280, 411)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>rational_resampler_xxx</key>
+ <param>
+ <key>id</key>
+ <value>rational_resampler_xxx_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>fff</value>
+ </param>
+ <param>
+ <key>interp</key>
+ <value>6</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value></value>
+ </param>
+ <param>
+ <key>fbw</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(478, 400)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>audio_sink</key>
+ <param>
+ <key>id</key>
+ <value>audio_sink_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>48000</value>
+ </param>
+ <param>
+ <key>device_name</key>
+ <value></value>
+ </param>
+ <param>
+ <key>ok_to_block</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(706, 424)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blocks_float_to_short</key>
+ <param>
+ <key>id</key>
+ <value>blocks_float_to_short_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>scale</key>
+ <value>scale</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(417, 119)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>audio_source</key>
+ <param>
+ <key>id</key>
+ <value>audio_source_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>48000</value>
+ </param>
+ <param>
+ <key>device_name</key>
+ <value></value>
+ </param>
+ <param>
+ <key>ok_to_block</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>num_outputs</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(0, 117)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blocks_wavfile_source</key>
+ <param>
+ <key>id</key>
+ <value>blocks_wavfile_source_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>file</key>
+ <value>speech_audio_at_48_kHz.wav</value>
+ </param>
+ <param>
+ <key>repeat</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>nchan</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(-1, 225)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>vocoder_gsm_fr_encode_sp</key>
+ <param>
+ <key>id</key>
+ <value>vocoder_gsm_fr_encode_sp_1</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(592, 123)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blocks_vector_to_stream</key>
+ <param>
+ <key>id</key>
+ <value>blocks_vector_to_stream_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>num_items</key>
+ <value>33</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(857, 119)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_sink</key>
+ <param>
+ <key>id</key>
+ <value>virtual_sink_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>Encoded Speech</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1052, 119)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blocks_stream_to_vector</key>
+ <param>
+ <key>id</key>
+ <value>blocks_stream_to_vector_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>byte</value>
+ </param>
+ <param>
+ <key>num_items</key>
+ <value>33</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(272, 312)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_source</key>
+ <param>
+ <key>id</key>
+ <value>virtual_source_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>Encoded Speech</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(-1, 312)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>vocoder_gsm_fr_decode_ps</key>
+ <param>
+ <key>id</key>
+ <value>vocoder_gsm_fr_decode_ps_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(485, 316)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>virtual_sink</key>
+ <param>
+ <key>id</key>
+ <value>virtual_sink_2</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>stream_id</key>
+ <value>Decoded Speech</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1012, 364)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>qtgui_time_sink_x</key>
+ <param>
+ <key>id</key>
+ <value>qtgui_time_sink_x_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>type</key>
+ <value>float</value>
+ </param>
+ <param>
+ <key>name</key>
+ <value>Audio Post-Encoding</value>
+ </param>
+ <param>
+ <key>size</key>
+ <value>1024</value>
+ </param>
+ <param>
+ <key>srate</key>
+ <value>8000</value>
+ </param>
+ <param>
+ <key>ymin</key>
+ <value>-1</value>
+ </param>
+ <param>
+ <key>ymax</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>nconnections</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>update_time</key>
+ <value>0.10</value>
+ </param>
+ <param>
+ <key>tr_mode</key>
+ <value>qtgui.TRIG_MODE_FREE</value>
+ </param>
+ <param>
+ <key>tr_slope</key>
+ <value>qtgui.TRIG_SLOPE_POS</value>
+ </param>
+ <param>
+ <key>tr_level</key>
+ <value>0.0</value>
+ </param>
+ <param>
+ <key>tr_delay</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>tr_chan</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>tr_tag</key>
+ <value>""</value>
+ </param>
+ <param>
+ <key>entags</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>gui_hint</key>
+ <value></value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(1012, 240)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <block>
+ <key>blocks_short_to_float</key>
+ <param>
+ <key>id</key>
+ <value>blocks_short_to_float_0</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>scale</key>
+ <value>scale</value>
+ </param>
+ <param>
+ <key>affinity</key>
+ <value></value>
+ </param>
+ <param>
+ <key>minoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>maxoutbuf</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>_coordinate</key>
+ <value>(762, 312)</value>
+ </param>
+ <param>
+ <key>_rotation</key>
+ <value>0</value>
+ </param>
+ </block>
+ <connection>
+ <source_block_id>audio_source_0</source_block_id>
+ <sink_block_id>rational_resampler_xxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>rational_resampler_xxx_0</source_block_id>
+ <sink_block_id>blocks_float_to_short_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blocks_wavfile_source_0</source_block_id>
+ <sink_block_id>rational_resampler_xxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>rational_resampler_xxx_0</source_block_id>
+ <sink_block_id>qtgui_time_sink_x_0_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>rational_resampler_xxx_0</source_block_id>
+ <sink_block_id>virtual_sink_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>virtual_source_1</source_block_id>
+ <sink_block_id>blks2_selector_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>virtual_source_1_0</source_block_id>
+ <sink_block_id>blks2_selector_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>1</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blocks_short_to_float_0</source_block_id>
+ <sink_block_id>virtual_sink_2</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>rational_resampler_xxx_1</source_block_id>
+ <sink_block_id>audio_sink_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blks2_selector_0</source_block_id>
+ <sink_block_id>rational_resampler_xxx_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blocks_float_to_short_0</source_block_id>
+ <sink_block_id>vocoder_gsm_fr_encode_sp_1</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>vocoder_gsm_fr_decode_ps_0</source_block_id>
+ <sink_block_id>blocks_short_to_float_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>vocoder_gsm_fr_encode_sp_1</source_block_id>
+ <sink_block_id>blocks_vector_to_stream_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blocks_vector_to_stream_0</source_block_id>
+ <sink_block_id>virtual_sink_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>virtual_source_0</source_block_id>
+ <sink_block_id>blocks_stream_to_vector_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blocks_stream_to_vector_0</source_block_id>
+ <sink_block_id>vocoder_gsm_fr_decode_ps_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>blocks_short_to_float_0</source_block_id>
+ <sink_block_id>qtgui_time_sink_x_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+</flow_graph>