diff --git a/test/README.md b/test/README.md
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+        ###################### CHECKSUM COMPARISON FREEDV VS CRCENGINE ########
+        #https://crccalc.com
+        
+        teststring = b'TEST'
+        
+
+     
+        # freedv crc16 checksum
+        crctest2 = c_ushort(self.c_lib.freedv_gen_crc16(teststring, len(teststring)))
+        print("FREEDV2: " + str(crctest2.value) + " = " + hex(crctest2.value))      
+        
+      
+        #Python crc16 checksum
+        crc_algorithm = crcengine.new('crc16-ccitt-false') #load crc16 library 
+        crctest3 = crc_algorithm(teststring)
+        print("CRCENGINE: " + str(crctest3) + " = " + hex(crctest3))
+        
+        
+        #######################################################################