<?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>