Taking Our Game to the Next Level - jMonkeyEngine 3.0 - page 501

There's more
The recipe has covered playing audio originating from the player. It is almost as easy doing
this for other entities in the scene. Since AudioNode extends Node , it has a position in
the scene graph. Attaching an AudioNode instance to the scene graph will play the sound
using its worldTranslation field, just like how a model will be shown at that location.
Apart from setting localTranslation , we also need to make sure that the positional
Boolean in AudioNode is true (which it is by default). We're also only allowed to use
mono channel sounds when using positional audio.