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<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
<timestamp>Fri Feb 26 13:24:31 2010</timestamp>
<block>
<key>options</key>
<param>
<key>id</key>
<value>am_mod</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>title</key>
<value>am modulator</value>
</param>
<param>
<key>author</key>
<value>Paul Miller</value>
</param>
<param>
<key>description</key>
<value>gnuradio flow graph</value>
</param>
<param>
<key>window_size</key>
<value>1280, 1024</value>
</param>
<param>
<key>generate_options</key>
<value>no_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_sig_source_x</key>
<param>
<key>id</key>
<value>gr_sig_source_x_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</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>freq</value>
</param>
<param>
<key>amp</key>
<value>1</value>
</param>
<param>
<key>offset</key>
<value>0</value>
</param>
<param>
<key>_coordinate</key>
<value>(207, 17)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_multiply_vxx</key>
<param>
<key>id</key>
<value>gr_multiply_vxx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>num_inputs</key>
<value>2</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(490, 33)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_complex_to_float</key>
<param>
<key>id</key>
<value>gr_complex_to_float_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(640, 101)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_float_to_complex</key>
<param>
<key>id</key>
<value>gr_float_to_complex_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(351, 157)</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>44100</value>
</param>
<param>
<key>_coordinate</key>
<value>(16, 141)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_wavfile_source</key>
<param>
<key>id</key>
<value>gr_wavfile_source_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>file</key>
<value>orig.wav</value>
</param>
<param>
<key>repeat</key>
<value>False</value>
</param>
<param>
<key>nchan</key>
<value>2</value>
</param>
<param>
<key>_coordinate</key>
<value>(117, 147)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>gr_wavfile_sink</key>
<param>
<key>id</key>
<value>gr_wavfile_sink_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>file</key>
<value>8k.wav</value>
</param>
<param>
<key>nchan</key>
<value>2</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>bits_per_sample</key>
<value>16</value>
</param>
<param>
<key>_coordinate</key>
<value>(184, 337)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>id</key>
<value>freq</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>value</key>
<value>8000</value>
</param>
<param>
<key>_coordinate</key>
<value>(19, 220)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
<connection>
<source_block_id>gr_sig_source_x_0</source_block_id>
<sink_block_id>gr_multiply_vxx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_wavfile_source_0</source_block_id>
<sink_block_id>gr_float_to_complex_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_float_to_complex_0</source_block_id>
<sink_block_id>gr_multiply_vxx_0</sink_block_id>
<source_key>0</source_key>
<sink_key>1</sink_key>
</connection>
<connection>
<source_block_id>gr_wavfile_source_0</source_block_id>
<sink_block_id>gr_float_to_complex_0</sink_block_id>
<source_key>1</source_key>
<sink_key>1</sink_key>
</connection>
<connection>
<source_block_id>gr_multiply_vxx_0</source_block_id>
<sink_block_id>gr_complex_to_float_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_complex_to_float_0</source_block_id>
<sink_block_id>gr_wavfile_sink_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
<connection>
<source_block_id>gr_complex_to_float_0</source_block_id>
<sink_block_id>gr_wavfile_sink_0</sink_block_id>
<source_key>1</source_key>
<sink_key>1</sink_key>
</connection>
</flow_graph>
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