Torque2D, the open source 2D game engine created initially by Garage Games, just released an updated library for Torque2D. This update adds several new features including:
- Ability to set which SceneWindow acts as a listener
- simplified playSound function and managing software
- Doppler effect (from above changed)
- audio debug mode (setDebugOn())
- AudioDescription for defining sound characteristics
You can read more about this release here.