diff -up festival/lib/init.scm.use-pacat festival/lib/init.scm
--- festival/lib/init.scm.use-pacat	2008-10-27 21:35:08.000000000 -0400
+++ festival/lib/init.scm	2008-10-27 21:41:08.000000000 -0400
@@ -140,6 +140,10 @@
 (require 'token)
 (require 'tts)
 
+;;; Default to using pulseaudio (bug 467531)
+(Parameter.def 'Audio_Command "pacat --channels=1 --rate=$SR $FILE -n Festival --stream-name=Speech")
+(Parameter.set 'Audio_Method 'Audio_Command)
+
 ;;;
 ;;;  Local site initialization, if the file exists load it
 ;;;