diff --git a/livesupport/products/scheduler/etc/scheduler.xml b/livesupport/products/scheduler/etc/scheduler.xml
index 2c34af538..f0f68212b 100644
--- a/livesupport/products/scheduler/etc/scheduler.xml
+++ b/livesupport/products/scheduler/etc/scheduler.xml
@@ -71,6 +71,9 @@
 
 <!ELEMENT helixPlayer   EMPTY >
 <!ATTLIST helixPlayer   dllPath     CDATA   #REQUIRED >
+<!ATTLIST helixPlayer   audioDevice          CDATA     #IMPLIED  >
+<!ATTLIST helixPlayer   audioStreamTimeout   NMTOKEN   #IMPLIED >
+<!ATTLIST helixPlayer   fadeLookAheatTime    NMTOKEN   #IMPLIED >
 
 <!ELEMENT xmlRpcDaemon EMPTY >
 <!ATTLIST xmlRpcDaemon xmlRpcHost   CDATA          #REQUIRED >
diff --git a/livesupport/products/scheduler/etc/scheduler.xml.template b/livesupport/products/scheduler/etc/scheduler.xml.template
index dc73e514a..265c37c24 100644
--- a/livesupport/products/scheduler/etc/scheduler.xml.template
+++ b/livesupport/products/scheduler/etc/scheduler.xml.template
@@ -71,6 +71,9 @@
 
 <!ELEMENT helixPlayer   EMPTY >
 <!ATTLIST helixPlayer   dllPath     CDATA   #REQUIRED >
+<!ATTLIST helixPlayer   audioDevice          CDATA     #IMPLIED  >
+<!ATTLIST helixPlayer   audioStreamTimeout   NMTOKEN   #IMPLIED >
+<!ATTLIST helixPlayer   fadeLookAheatTime    NMTOKEN   #IMPLIED >
 
 <!ELEMENT xmlRpcDaemon EMPTY >
 <!ATTLIST xmlRpcDaemon xmlRpcHost   CDATA          #REQUIRED >