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<?xml version="1.0"?>
<block>
<name>TCH/F decoder</name>
<key>gsm_tch_f_decoder</key>
<import>import grgsm</import>
<make>grgsm.tch_f_decoder($mode, $file, $boundary_check)</make>
<param>
<name>TCH coding mode</name>
<key>mode</key>
<type>enum</type>
<option>
<name>GSM-FR</name>
<key>grgsm.TCH_FS</key>
</option>
<option>
<name>GSM-EFR</name>
<key>grgsm.TCH_EFR</key>
</option>
<option>
<name>GSM-AMR 12.2</name>
<key>grgsm.TCH_AFS12_2</key>
</option>
<option>
<name>GSM-AMR 10.2</name>
<key>grgsm.TCH_AFS10_2</key>
</option>
<option>
<name>GSM-AMR 7.95</name>
<key>grgsm.TCH_AFS7_95</key>
</option>
<option>
<name>GSM-AMR 7.4</name>
<key>grgsm.TCH_AFS7_4</key>
</option>
<option>
<name>GSM-AMR 6.7</name>
<key>grgsm.TCH_AFS6_7</key>
</option>
<option>
<name>GSM-AMR 5.9</name>
<key>grgsm.TCH_AFS5_9</key>
</option>
<option>
<name>GSM-AMR 5.15</name>
<key>grgsm.TCH_AFS5_15</key>
</option>
<option>
<name>GSM-AMR 4.75</name>
<key>grgsm.TCH_AFS4_75</key>
</option>
</param>
<param>
<name>destination file</name>
<key>file</key>
<value>/tmp/speech.gsm</value>
<type>file_open</type>
</param>
<param>
<name>Voice boundary detection</name>
<key>boundary_check</key>
<value>False</value>
<type>bool</type>
<option>
<name>False</name>
<key>False</key>
</option>
<option>
<name>True</name>
<key>True</key>
</option>
</param>
<sink>
<name>bursts</name>
<type>message</type>
</sink>
<source>
<name>msgs</name>
<type>message</type>
<optional>1</optional>
</source>
<doc>
If "Voice boundary detection" is enabled, then only bursts are decoded as voice where
- the framenumber is greater then the framenumber of a received "Connect" or "Connect Acknowlegde" message, and
- the framenumber is less then the framenumber of a "Release" message
</doc>
</block>
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