--- /dev/null
+<?xml version="1.0"?>
+<!--
+###################################################
+##FM Deemphasis
+###################################################
+ -->
+<block>
+ <name>FM Deemphasis</name>
+ <key>blks2_fm_deemph</key>
+ <import>from gnuradio import blks2</import>
+ <make>blks2.fm_deemph(fs=$samp_rate, tau=$tau)</make>
+ <param>
+ <name>Sample Rate</name>
+ <key>samp_rate</key>
+ <type>real</type>
+ </param>
+ <param>
+ <name>Tau</name>
+ <key>tau</key>
+ <value>75e-6</value>
+ <type>real</type>
+ </param>
+ <sink>
+ <name>in</name>
+ <type>float</type>
+ </sink>
+ <source>
+ <name>out</name>
+ <type>float</type>
+ </source>
+</block>