diff -u --recursive festival-vanilla/lib/festival.scm festival/lib/festival.scm
--- festival-vanilla/lib/festival.scm	2018-07-22 17:42:03.513767269 -0400
+++ festival/lib/festival.scm	2018-07-22 18:53:25.698493760 -0400
@@ -33,6 +33,10 @@
 ;;;  General Festival Scheme specific functions
 ;;;  Including definitions of various standard variables.
 
+(Parameter.set 'Audio_Required_Format 'aiff)
+(Parameter.set 'Audio_Method 'Audio_Command)
+(Parameter.set 'Audio_Command "paplay $FILE --client-name=Festival --stream-name=Speech")
+
 ;; will be set automatically on start-up
 (defvar festival_version "unknown"
   "festival_version