--- /dev/null
+<?xml version="1.0"?>
+<!--
+###################################################
+##Wav File Sink
+###################################################
+ -->
+<block>
+ <name>Wav File Sink</name>
+ <key>gr_wavfile_sink</key>
+ <import>from gnuradio import gr</import>
+ <make>gr.wavfile_sink($file, $nchan, $samp_rate, $bits_per_sample)</make>
+ <param>
+ <name>File</name>
+ <key>file</key>
+ <value></value>
+ <type>file_save</type>
+ </param>
+ <param>
+ <name>N Channels</name>
+ <key>nchan</key>
+ <value>1</value>
+ <type>int</type>
+ </param>
+ <param>
+ <name>Sample Rate</name>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ <type>int</type>
+ </param>
+ <param>
+ <name>Bits per Sample</name>
+ <key>bits_per_sample</key>
+ <value>8</value>
+ <type>int</type>
+ </param>
+ <check>1 <= $nchan</check>
+ <sink>
+ <name>in</name>
+ <type>float</type>
+ <nports>$nchan</nports>
+ </sink>
+</block>