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loopback-gsmfr.grc
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<?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>