diff options
Diffstat (limited to 'gnuradio-examples/grc/audio')
| -rw-r--r-- | gnuradio-examples/grc/audio/cvsd_sweep.grc | 918 | ||||
| -rw-r--r-- | gnuradio-examples/grc/audio/dial_tone.grc | 375 |
2 files changed, 0 insertions, 1293 deletions
diff --git a/gnuradio-examples/grc/audio/cvsd_sweep.grc b/gnuradio-examples/grc/audio/cvsd_sweep.grc deleted file mode 100644 index b645b747a..000000000 --- a/gnuradio-examples/grc/audio/cvsd_sweep.grc +++ /dev/null @@ -1,918 +0,0 @@ -<?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>vocoder_cvsd_decode_bf</key> - <param> - <key>id</key> - <value>vocoder_cvsd_decode_bf_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>vocoder_cvsd_encode_fb</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>vocoder_cvsd_decode_bf_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>vocoder_cvsd_decode_bf_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>vocoder_cvsd_decode_bf_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>vocoder_cvsd_decode_bf_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> diff --git a/gnuradio-examples/grc/audio/dial_tone.grc b/gnuradio-examples/grc/audio/dial_tone.grc deleted file mode 100644 index ac8cbef27..000000000 --- a/gnuradio-examples/grc/audio/dial_tone.grc +++ /dev/null @@ -1,375 +0,0 @@ -<?xml version='1.0' encoding='ASCII'?> -<flow_graph> - <timestamp>Thu Jul 24 14:27:48 2008</timestamp> - <block> - <key>options</key> - <param> - <key>id</key> - <value>dial_tone</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>title</key> - <value>Dial Tone</value> - </param> - <param> - <key>author</key> - <value>Example</value> - </param> - <param> - <key>description</key> - <value>example flow graph</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>_coordinate</key> - <value>(10, 10)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>gr_add_xx</key> - <param> - <key>id</key> - <value>gr_add_xx</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>type</key> - <value>float</value> - </param> - <param> - <key>num_inputs</key> - <value>3</value> - </param> - <param> - <key>vlen</key> - <value>1</value> - </param> - <param> - <key>_coordinate</key> - <value>(513, 277)</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>32000</value> - </param> - <param> - <key>device_name</key> - <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>(699, 112)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>gr_noise_source_x</key> - <param> - <key>id</key> - <value>gr_noise_source_x</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>type</key> - <value>float</value> - </param> - <param> - <key>noise_type</key> - <value>gr.GR_GAUSSIAN</value> - </param> - <param> - <key>amp</key> - <value>noise</value> - </param> - <param> - <key>seed</key> - <value>42</value> - </param> - <param> - <key>_coordinate</key> - <value>(238, 380)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>gr_sig_source_x</key> - <param> - <key>id</key> - <value>gr_sig_source_x</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>type</key> - <value>float</value> - </param> - <param> - <key>samp_rate</key> - <value>samp_rate</value> - </param> - <param> - <key>waveform</key> - <value>gr.GR_COS_WAVE</value> - </param> - <param> - <key>freq</key> - <value>440</value> - </param> - <param> - <key>amp</key> - <value>ampl</value> - </param> - <param> - <key>offset</key> - <value>0</value> - </param> - <param> - <key>_coordinate</key> - <value>(240, 208)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>gr_sig_source_x</key> - <param> - <key>id</key> - <value>gr_sig_source_x0</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>type</key> - <value>float</value> - </param> - <param> - <key>samp_rate</key> - <value>samp_rate</value> - </param> - <param> - <key>waveform</key> - <value>gr.GR_COS_WAVE</value> - </param> - <param> - <key>freq</key> - <value>350</value> - </param> - <param> - <key>amp</key> - <value>ampl</value> - </param> - <param> - <key>offset</key> - <value>0</value> - </param> - <param> - <key>_coordinate</key> - <value>(240, 38)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>variable_slider</key> - <param> - <key>id</key> - <value>ampl</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>label</key> - <value>Volume</value> - </param> - <param> - <key>value</key> - <value>.4</value> - </param> - <param> - <key>min</key> - <value>0</value> - </param> - <param> - <key>max</key> - <value>.5</value> - </param> - <param> - <key>num_steps</key> - <value>100</value> - </param> - <param> - <key>slider_type</key> - <value>horizontal</value> - </param> - <param> - <key>grid_pos</key> - <value>0, 0, 1, 2</value> - </param> - <param> - <key>_coordinate</key> - <value>(634, 413)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <block> - <key>variable_slider</key> - <param> - <key>id</key> - <value>noise</value> - </param> - <param> - <key>_enabled</key> - <value>True</value> - </param> - <param> - <key>label</key> - <value>Noise</value> - </param> - <param> - <key>value</key> - <value>.005</value> - </param> - <param> - <key>min</key> - <value>0</value> - </param> - <param> - <key>max</key> - <value>.2</value> - </param> - <param> - <key>num_steps</key> - <value>100</value> - </param> - <param> - <key>slider_type</key> - <value>horizontal</value> - </param> - <param> - <key>grid_pos</key> - <value>1, 0, 1, 2</value> - </param> - <param> - <key>_coordinate</key> - <value>(443, 412)</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>32000</value> - </param> - <param> - <key>_coordinate</key> - <value>(11, 171)</value> - </param> - <param> - <key>_rotation</key> - <value>0</value> - </param> - </block> - <connection> - <source_block_id>gr_sig_source_x0</source_block_id> - <sink_block_id>gr_add_xx</sink_block_id> - <source_key>0</source_key> - <sink_key>0</sink_key> - </connection> - <connection> - <source_block_id>gr_sig_source_x</source_block_id> - <sink_block_id>gr_add_xx</sink_block_id> - <source_key>0</source_key> - <sink_key>1</sink_key> - </connection> - <connection> - <source_block_id>gr_noise_source_x</source_block_id> - <sink_block_id>gr_add_xx</sink_block_id> - <source_key>0</source_key> - <sink_key>2</sink_key> - </connection> - <connection> - <source_block_id>gr_add_xx</source_block_id> - <sink_block_id>audio_sink</sink_block_id> - <source_key>0</source_key> - <sink_key>0</sink_key> - </connection> -</flow_graph> |