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   1 <?xml version="1.0"?>
   2 <!--
   3 ###################################################
   4 ##Audio Source
   5 ###################################################
   6  -->
   7 <block>
   8         <name>Audio Source</name>
   9         <key>audio_source</key>
  10         <import>from gnuradio import audio</import>
  11         <make>audio.source($samp_rate, $device_name, $ok_to_block)</make>
  12         <param>
  13                 <name>Sample Rate</name>
  14                 <key>samp_rate</key>
  15                 <value>32000</value>
  16                 <type>enum</type>
  17                 <option>
  18                         <name>16KHz</name>
  19                         <key>16000</key>
  20                 </option>
  21                 <option>
  22                         <name>22.05KHz</name>
  23                         <key>22050</key>
  24                 </option>
  25                 <option>
  26                         <name>24KHz</name>
  27                         <key>24000</key>
  28                 </option>
  29                 <option>
  30                         <name>32KHz</name>
  31                         <key>32000</key>
  32                 </option>
  33                 <option>
  34                         <name>44.1KHz</name>
  35                         <key>44100</key>
  36                 </option>
  37                 <option>
  38                         <name>48KHz</name>
  39                         <key>48000</key>
  40                 </option>
  41         </param>
  42         <param>
  43                 <name>Device Name</name>
  44                 <key>device_name</key>
  45                 <value></value>
  46                 <type>string</type>
  47         </param>
  48         <param>
  49                 <name>OK to Block</name>
  50                 <key>ok_to_block</key>
  51                 <value>True</value>
  52                 <type>enum</type>
  53                 <option>
  54                         <name>Yes</name>
  55                         <key>True</key>
  56                 </option>
  57                 <option>
  58                         <name>No</name>
  59                         <key>False</key>
  60                 </option>
  61         </param>
  62         <param>
  63                 <name>Num Outputs</name>
  64                 <key>num_outputs</key>
  65                 <value>1</value>
  66                 <type>int</type>
  67         </param>
  68         <check>0 &lt; $num_outputs</check>
  69         <source>
  70                 <name>out</name>
  71                 <type>float</type>
  72                 <nports>$num_outputs</nports>
  73         </source>
  74         <doc>
  75 Not all sampling rates will be supported by your hardware.
  76
  77 Leave the device name blank to choose deafult audio device. \
  78 Audio device names may look like hw:0,0
  79
  80 The audio source can have multiple outputs depending upon your hardware. \
  81 For example, set the outputs to 2 for stereo audio.
  82         </doc>
  83 </block>