<?xml version="1.0"?> <!-- ################################################### ##Standard Squelch ################################################### --> <block> <name>Standard Squelch</name> <key>blks2_standard_squelch</key> <import>from gnuradio import blks2</import> <make>blks2.standard_squelch(audio_rate=$audio_rate) self.$(id).set_threshold($threshold)</make> <callback>set_threshold($threshold)</callback> <param> <name>Audio Rate</name> <key>audio_rate</key> <type>real</type> </param> <param> <name>Threshold</name> <key>threshold</key> <type>real</type> </param> <sink> <name>in</name> <type>float</type> </sink> <source> <name>out</name> <type>float</type> </source> </block>