<?xml version='1.0' encoding='ASCII'?> <flow_graph> <timestamp>Sat Sep 19 20:30:08 2009</timestamp> <block> <key>import</key> <param> <key>id</key> <value>import_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>import</key> <value>import math</value> </param> <param> <key>_coordinate</key> <value>(157, 11)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>blks2_cvsd_decode</key> <param> <key>id</key> <value>blks2_cvsd_decode_0</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>resample</key> <value>resample</value> </param> <param> <key>bw</key> <value>bw</value> </param> <param> <key>_coordinate</key> <value>(887, 340)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_sig_source_x</key> <param> <key>id</key> <value>tri_source</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>samp_rate</key> <value>audio_rate</value> </param> <param> <key>waveform</key> <value>gr.GR_TRI_WAVE</value> </param> <param> <key>freq</key> <value>0.05</value> </param> <param> <key>amp</key> <value>0.5</value> </param> <param> <key>offset</key> <value>0</value> </param> <param> <key>_coordinate</key> <value>(44, 316)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_throttle</key> <param> <key>id</key> <value>throttle</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>samples_per_second</key> <value>audio_rate</value> </param> <param> <key>vlen</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(238, 348)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_vco_f</key> <param> <key>id</key> <value>vco</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>samp_rate</key> <value>audio_rate</value> </param> <param> <key>sensitivity</key> <value>audio_rate*2*math.pi</value> </param> <param> <key>amplitude</key> <value>0.9</value> </param> <param> <key>_coordinate</key> <value>(427, 332)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>blks2_cvsd_encode</key> <param> <key>id</key> <value>enc</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>resample</key> <value>resample</value> </param> <param> <key>bw</key> <value>bw</value> </param> <param> <key>_coordinate</key> <value>(655, 340)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>gr_packed_to_unpacked_xx</key> <param> <key>id</key> <value>p2u</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>byte</value> </param> <param> <key>bits_per_chunk</key> <value>1</value> </param> <param> <key>endianness</key> <value>gr.GR_MSB_FIRST</value> </param> <param> <key>_coordinate</key> <value>(648, 415)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>gr_char_to_float</key> <param> <key>id</key> <value>c2f</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>_coordinate</key> <value>(676, 483)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>audio_sink</key> <param> <key>id</key> <value>audio_sink</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>samp_rate</key> <value>audio_rate</value> </param> <param> <key>device_name</key> <value>plughw:0,0</value> </param> <param> <key>ok_to_block</key> <value>True</value> </param> <param> <key>num_inputs</key> <value>1</value> </param> <param> <key>_coordinate</key> <value>(1127, 340)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>audio_rate</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>8000</value> </param> <param> <key>_coordinate</key> <value>(251, 10)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>resample</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>8</value> </param> <param> <key>_coordinate</key> <value>(344, 11)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>variable</key> <param> <key>id</key> <value>bw</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>value</key> <value>0.5</value> </param> <param> <key>_coordinate</key> <value>(431, 11)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>notebook</key> <param> <key>id</key> <value>displays</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>style</key> <value>wx.NB_TOP</value> </param> <param> <key>labels</key> <value>['Original','Encoded','Decoded']</value> </param> <param> <key>grid_pos</key> <value></value> </param> <param> <key>notebook</key> <value></value> </param> <param> <key>_coordinate</key> <value>(12, 106)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>wxgui_fftsink2</key> <param> <key>id</key> <value>orig_fft</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>title</key> <value>Original Spectrum</value> </param> <param> <key>samp_rate</key> <value>audio_rate</value> </param> <param> <key>baseband_freq</key> <value>0</value> </param> <param> <key>y_per_div</key> <value>10</value> </param> <param> <key>y_divs</key> <value>10</value> </param> <param> <key>ref_level</key> <value>0</value> </param> <param> <key>ref_scale</key> <value>2.0</value> </param> <param> <key>fft_size</key> <value>1024</value> </param> <param> <key>fft_rate</key> <value>30</value> </param> <param> <key>peak_hold</key> <value>False</value> </param> <param> <key>average</key> <value>False</value> </param> <param> <key>avg_alpha</key> <value>0</value> </param> <param> <key>grid_pos</key> <value>0, 0, 1, 1</value> </param> <param> <key>notebook</key> <value>displays, 0</value> </param> <param> <key>_coordinate</key> <value>(415, 97)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>wxgui_scopesink2</key> <param> <key>id</key> <value>orig_scope</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>title</key> <value>Original Waveform</value> </param> <param> <key>samp_rate</key> <value>audio_rate</value> </param> <param> <key>v_scale</key> <value>0</value> </param> <param> <key>t_scale</key> <value>0</value> </param> <param> <key>ac_couple</key> <value>False</value> </param> <param> <key>xy_mode</key> <value>False</value> </param> <param> <key>num_inputs</key> <value>1</value> </param> <param> <key>grid_pos</key> <value>1, 0, 1, 1</value> </param> <param> <key>notebook</key> <value>displays, 0</value> </param> <param> <key>_coordinate</key> <value>(414, 425)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>wxgui_fftsink2</key> <param> <key>id</key> <value>enc_fft</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>title</key> <value>Encoded Spectrum</value> </param> <param> <key>samp_rate</key> <value>audio_rate*resample</value> </param> <param> <key>baseband_freq</key> <value>0</value> </param> <param> <key>y_per_div</key> <value>10</value> </param> <param> <key>y_divs</key> <value>8</value> </param> <param> <key>ref_level</key> <value>10</value> </param> <param> <key>ref_scale</key> <value>2.0</value> </param> <param> <key>fft_size</key> <value>1024</value> </param> <param> <key>fft_rate</key> <value>30</value> </param> <param> <key>peak_hold</key> <value>False</value> </param> <param> <key>average</key> <value>False</value> </param> <param> <key>avg_alpha</key> <value>0</value> </param> <param> <key>grid_pos</key> <value>1, 0, 1, 1</value> </param> <param> <key>notebook</key> <value>displays, 1</value> </param> <param> <key>_coordinate</key> <value>(610, 551)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>wxgui_scopesink2</key> <param> <key>id</key> <value>enc_scope</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>title</key> <value>Encoded Waveform</value> </param> <param> <key>samp_rate</key> <value>audio_rate*resample</value> </param> <param> <key>v_scale</key> <value>0.5</value> </param> <param> <key>t_scale</key> <value>20.0/(audio_rate*resample)</value> </param> <param> <key>ac_couple</key> <value>False</value> </param> <param> <key>xy_mode</key> <value>False</value> </param> <param> <key>num_inputs</key> <value>1</value> </param> <param> <key>grid_pos</key> <value>0, 0, 1, 1</value> </param> <param> <key>notebook</key> <value>displays, 1</value> </param> <param> <key>_coordinate</key> <value>(858, 591)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <block> <key>wxgui_fftsink2</key> <param> <key>id</key> <value>dec_fft</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>title</key> <value>Decoded Spectrum</value> </param> <param> <key>samp_rate</key> <value>audio_rate</value> </param> <param> <key>baseband_freq</key> <value>0</value> </param> <param> <key>y_per_div</key> <value>5</value> </param> <param> <key>y_divs</key> <value>10</value> </param> <param> <key>ref_level</key> <value>10</value> </param> <param> <key>ref_scale</key> <value>0.1</value> </param> <param> <key>fft_size</key> <value>1024</value> </param> <param> <key>fft_rate</key> <value>30</value> </param> <param> <key>peak_hold</key> <value>False</value> </param> <param> <key>average</key> <value>False</value> </param> <param> <key>avg_alpha</key> <value>0</value> </param> <param> <key>grid_pos</key> <value>0, 0, 1, 1</value> </param> <param> <key>notebook</key> <value>displays, 2</value> </param> <param> <key>_coordinate</key> <value>(891, 98)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>wxgui_scopesink2</key> <param> <key>id</key> <value>dec_scope</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>type</key> <value>float</value> </param> <param> <key>title</key> <value>Decoded Waveform</value> </param> <param> <key>samp_rate</key> <value>audio_rate</value> </param> <param> <key>v_scale</key> <value>0</value> </param> <param> <key>t_scale</key> <value>0</value> </param> <param> <key>ac_couple</key> <value>False</value> </param> <param> <key>xy_mode</key> <value>False</value> </param> <param> <key>num_inputs</key> <value>1</value> </param> <param> <key>grid_pos</key> <value>1, 0, 1, 1</value> </param> <param> <key>notebook</key> <value>displays, 2</value> </param> <param> <key>_coordinate</key> <value>(889, 422)</value> </param> <param> <key>_rotation</key> <value>180</value> </param> </block> <block> <key>options</key> <param> <key>id</key> <value>cvsd_sweep</value> </param> <param> <key>_enabled</key> <value>True</value> </param> <param> <key>title</key> <value>CVSD Vocoder Test</value> </param> <param> <key>author</key> <value></value> </param> <param> <key>description</key> <value></value> </param> <param> <key>window_size</key> <value>1280, 1024</value> </param> <param> <key>generate_options</key> <value>wx_gui</value> </param> <param> <key>category</key> <value>Custom</value> </param> <param> <key>run</key> <value>True</value> </param> <param> <key>realtime_scheduling</key> <value></value> </param> <param> <key>_coordinate</key> <value>(10, 10)</value> </param> <param> <key>_rotation</key> <value>0</value> </param> </block> <connection> <source_block_id>vco</source_block_id> <sink_block_id>orig_fft</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>tri_source</source_block_id> <sink_block_id>throttle</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>throttle</source_block_id> <sink_block_id>vco</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>vco</source_block_id> <sink_block_id>enc</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>enc</source_block_id> <sink_block_id>blks2_cvsd_decode_0</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>vco</source_block_id> <sink_block_id>orig_scope</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blks2_cvsd_decode_0</source_block_id> <sink_block_id>dec_fft</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blks2_cvsd_decode_0</source_block_id> <sink_block_id>dec_scope</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>blks2_cvsd_decode_0</source_block_id> <sink_block_id>audio_sink</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>enc</source_block_id> <sink_block_id>p2u</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>p2u</source_block_id> <sink_block_id>c2f</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>c2f</source_block_id> <sink_block_id>enc_fft</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> <connection> <source_block_id>c2f</source_block_id> <sink_block_id>enc_scope</sink_block_id> <source_key>0</source_key> <sink_key>0</sink_key> </connection> </flow_graph>