diff --git a/include/audiomanager/IPlayer.h b/include/audiomanager/IPlayer.h
index efcac74..94afae5 100644
--- a/include/audiomanager/IPlayer.h
+++ b/include/audiomanager/IPlayer.h
@@ -41,6 +41,10 @@
 
     virtual void setVolume(float vol) = 0;
 
+    virtual void setPan(float pan) = 0;
+
+    virtual void setStartDelayMs(int delayMs) = 0;
+
 };
 
 // ----------------------------------------------------------------------------